What is correct for the hormone whose mechanism of action is shown in the diagram?
1. | This hormone will most likely be synthesized by the neural cells of the hypothalamus |
2. | This hormone cannot be thyroxin or triiodothyronine |
3. | This hormone can be a derivative of cholesterol |
4. | This hormone will have an almost instantaneous onset of action |
Identify the correct statement regarding the following diagram:
1. B and F are filled with endolymph
2. C is filled with perilymph
3. Hair cells press against E to generate nerve impulses
4. D is the sensory organ of hearing and has auditory receptors
A major coordinating center for sensory and motor signaling in the human brain is shown in the given sagittal section by the letter:
1. A
2. B
3. C
4. D
In the given diagram of the lower limb bones of a human, a sesamoid bone is depicted by the letter:
1. A
2. B
3. C
4. D
In the molecule shown in the given diagram, ATPase activity is present in :
1. A
2. B
3. C
4. D
In the given diagram what would be the value of the osmolality of fluid at points A and B respectively?
1. 1000 and 1000
2. 1200 and 1000
3. 1000 and 1200
4. 1200 and 1200
The following is the diagrammatic representation of standard ECG. Identify the correct statement :
1. | P is caused by atrial repolarization. |
2. | Q, when present, always shows myocardial ischemia. |
3. | QRS complex is due to time taken by impulse from SA node to AV node. |
4. | T is caused by ventricular repolarization. |
In the given section of the human heart which part ensures that atria contact prior to the ventricles ?
1. A
2. B
3. C
4. D
In the given diagram of the oxygen dissociation curve, under normal physiological conditions, the partial pressure of oxygen at the tissue level is represented by :
1. A
2. B
3. C
4. D
Sphincter of Oddi will guard the opening of
1. A
2. B
3. C
4. D
The intrinsic nervous system that is responsible for peristalisis is present in which part shown in the given transverse section of the human gut ?
1. A
2. B
3. C
4. D
Study the given diagram and choose the correct statements :
I. A is involved in the absorption of fatty acids
II. B is a gland
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
In the given diagram showing anatomical regions of the human stomach, A,B and C respectively represent :
1. Fundus, Cardia and Pylorus
2. Cardia, Pylorus and Fundus
3. Fundus, Pylorus and Cardia
4. Pylorus, Cardia and Fundus
With respect to photoperiodism, the short-day plant, the long day plant and day-neutral plant are represented respectively by:
1. A, B and C
2. B, A and C
3. C, B and A
4. A, C and B
The growth of a root elongating at a constant rate will be represented by:
1. A only
2. B only
3. Both A and B
4. Neither A nor B
In the given diagrammatic representation of ATP synthesis in mitochondria, A, B and C are respectively:
1.
2.
3.
4.
In the given diagram, X, Y, and Z respectively represent the absorption spectrum of:
1. Chlorophyll a, Chlorophyll b, and Carotenoids
2. Chlorophyll b, Chlorophyll a, and Carotenoids
3. Chlorophyll b, Carotenoids, and Chlorophyll a
4. Chlorophyll a, Carotenoids, and Chlorophyll b
In the diagrammatic representation of the Hatch and Slack pathway, A and B respectively represent:
1. Mesophyll cells and Bundle sheath cells
2. Bundle sheath cells and Mesophyll cells
3. Bundle sheath cells and Palisade cells
4. Mesophyll cells and Guard cells
What type of reaction is shown in the given figure?
1. Deamination
2. Reductive amination
3. Transamination
4. Nitrogenation
In the given diagram of a typical set up for nutrient solution culture, the purpose of X is :
1. Addition of water
2. Addition of nutrients
3. Removal of wastes
4. Aeration
In the diagram given below showing the pathway of water movement in the root A,B,C and D respectively represent :
1. Symplastic pathway, Apoplastic pathway, Phloem and Xylem
2. Apoplatic pathway, Symplastic pathway, Phloem and Xylem
3. Symplastic pathway, Apoplastic pathway, Xylem and Phloem
4. Apoplatic pathway, Symplastic pathway, Xylem and Phloem
The following cell undergoing mitosis, is at:
1. | Early prophase | 2. | Late prophase |
3. | Transition to metaphase | 4. | Early metaphase |
Given below is the graph showing the effect of substrate concentration on enzyme activity. In the presence of a competitive inhibitor, when the concentration of the substrate is progressively increased:
1. | The Km value increases but the reaction will not achieve Vmax |
2. | The Km value increases but the reaction can ultimately achieve Vmax |
3. | The Km value decreases but the reaction will not achieve Vmax |
4. | The Km value decreases but the reaction can ultimately achieve Vmax |
Study the primary structure of a part of a hypothetical protein and choose the correct statements:
l. 1 is Serine
ll. 2 is sulphur containing amino acid and can be methionine
lll. 3 is aromatic amino acid and can be tyrosine
lV. 4 is an acidic amino acid
1. l, ll and lll only
2. l, lll and lV only
3. ll, lll and lV only
4. l, ll, lll and lV
The compound shown below:
1. is a component of the ATP molecule
2. is most commonly found in ori region of DNA
3. can have enzymatic activity
4. may be a component of the cell membrane
The zwitterion is shown by:
1. Only A
2. Only B
3. Both A and C
4. A, B and C
Identify the correct statement regarding the part of a cell, the structure of which is shown in the given diagram:
1. | It is not found in the plant cells |
2. | It serves to provide an attachment with a surface for a bacterial cell |
3. | The structure is made of a protein called flagellin |
4. | It can be used for movement by a eukaryotic cell |
In the given diagram of chloroplast enzymes required for the synthesis of carbohydrates and proteins are located in:
1. A
2. B
3. C
4. D
In the given diagram, what is true for both A and B?
1. They are involved in protein syntheis
2. They synthesize steroidal hormones in animal cells
3. They are part of endomembranous system of a eukaryotic cell
4.They are continuous with the outer membrane of the nucleus
Sperms are stored in?
1. A
2. B
3. C
4. D
In the given diagram of areolar tissue, identify a phagocytic cell :
1. A
2. B
3. C
4. D
The epithelium shown in the given diagram is found in :
1. Proximal convoluted Tubule
2. Small intestine
3. Fallopian tube
4. Thyroid follicle cells
The given transverse section is of:
1. Monocot stem
2. Dicot stem
3. Monocot root
4. Dicot root
The vascular bundle shown in the diagram is most likely to seen in :
1. Monocot stem
2. Dicot stem
3. Monocot root
4. Dicot root
The main function of the plant tissue shown below is:
1. Storage of nutrients
2. Providing buoyancy to submerged plants
3. Mechanical support to growing parts of a plant
4. Increase in the length of the plant
The floral diagram shown in the given diagram can be of :
1. A plant that produces a chemical that can disrupt miotic spindle
2. Deadly night shade
3. Indigofera plant, a source of dye
4. A pulse plant
The type of placentation shown in the given diagram is seen in:
1. China rose
2. Mustard
3. Marigold
4. Dianthus
The type of aestivation seen in Calotropis is represented by:
1. | 2. | ||
3. | 4. |
The condition of the ovary shown in the given diagram can be described as :
1. Perigynous
2. Epigynous
3. Superior
4. Half inferior
The character that gives the Phylum Chordata is shown by:
1. A
2. B
3. C
4. D
The structure shown in the given diagram is characteristically seen in the Phylum:
1. Porifera
2. Ctenophora
3. Cnidaria
4. Molluska
An animal with the following body wall organization will not have:
1. Cephalization
2. Three germ layers
3. Bilateral symmetry
4. A complete digestive tract
The life cycle pattern shown in the given diagram is not seen in:
1. Chlamydomanas
2. Spirogyra
3. Volvox
4. Ectocarpus
The given diagram shows:
1. An alga that lacks flagellated cells
2. A liverwort
3. A heterosporous pteridophyte
4. A gymnosperm with non-motile sperms
Identify the statement that most accurately describes the plant shown in the given figure:
1. This the male prothallus of Marchanita; A is antheridiophore and B is Gemma cup
2. This the female prothallus of Marchanita; A is archegoniophore and B is Gemma cup
3. This the male prothallus of Sphagnum; A is antheridiophore and B is Gemma cup
4. This the female prothallus of Sphagnum; A is archegoniophore and B is Gemma cup
What is true for both (a) and (b)?
1. RNA is the genetic material
2. Capability to infect bacteria
3. Being obligate endoparasites
4.Can be killed by antibiotics
The following pie chart shows the relative contribution of radiatively active gases to greenhouse effect. The contribution of is shown by:
1. A
2. B
3. C
4. D
The following diagram shows the effect of sewage discharge on some important characteristics of a river. What can be A and B respectively?
1. BOD and DO
2. DO and BOD
3. BOD and COD
4. COD and BOD
The following diagram shows the working of an electrostatic precipitator. Identify the correct statement:
1. A negative voltage ionizes the air around the wire that in turn ionizes the particles in the air stream.
2. They are able to remove about 75% of the particulate matter present in the exhaust from a thermal power point.
3. The velocity of air between the plates must be rapid enough to allow electrostatic precipitation of the dust particles.
4. PM 2.5 dust particles are more easily removed by the electrostatic precipitator than the larger sized particulate matter.
The following graph shows the species area relationship. Regression coefficient if shown by:
1. S
2. C
3. Z
4. log S
In the given pie chart showing the global biodiversity of vertebrates, the Amphibians and the Birds are respectively represented by:
1. B and D
2. A and C
3. A and B
4. D and B
Given below is a hypothetical pyramid of energy. The amount of energy left at the level of secondary consumers would approximately be:
1. 10000 J
2. 1000 JU
3. 100 J
4. 50 J
What is true about the population growth curves shown in the figure given bwlow:
l. Curve a is seen when resouces are not limiting
ll. Curve b is seen when resources are limiting
lll. [K-N]/K is the carrying capacity
1. l and ll only
2. l and lll only
3. ll and lll only
4. l, ll and lll
The population with the following age pyramid:
1. Will grow exponentially in near future
2. Will grow steadily in the future
3. Is likely to remain stable in future
4. Is likely to decline in future
In the following representation of organismic response to abiotic factors, the conformers are shown by the letter:
1. A
2. B
3. C
4. Both B and C
The following diagram shows the biome distribution with respect to annual temperature and precipition. Grassland, Temperate forest and Coniferous forest are represented respectively by:
1. A, C and F
2. B, D and E
3. B, E and F
4. A, D and F
The bioreactor shown in the diagram is:
1. Sparged stirred tank type
2. Airlift type
3. Simple stirred tank type
4. Fluidized bed type
What is true about the steps of PCR shown in the diagram given below?
l. Step A occurs at the temperature of 95-98 C
ll. Step B occurs at the temperature of 55 C
lll. Step C occurs at the temperature of 72 C
1. l and ll only
2. l and lll only
3. ll and lll only
4. l, ll and lll
A and B in the pBR 322, shown in the diagram given below, respectively represent recognition sequences of:
1. BamH I and Sma I
2. Hind II and Sma I
3. BamH I and SaI I
4. SaI I and Hind II
What is true A,B and C in the given diagrammatic representation of rDNA technology ?
I. At A same restriction enzyme is used to cut both foreign and vector DNA
II. The enzyme used at B is DNA ligase
III. Step C can be called as transformation
1. I and II only
2. I and III only
3. II and III only
4. I,II and III
In the given diagram the gas X can be :
1. Hydrogen
2. Carbon monoxide
3. Ammonia
4. Oxygen
The receptors for the drug shown below are located in :
1. CNS and CVS
2. CVS and GIT
3. CNS and GIT
4. CNS and PNS
Study the diagram given and choose the incorrect statement :
1. A : retrovirus replicates outside the cell
2. B : viral DNA is produced by the host Reverse transcriptase
3. C : viral DNA incorporates into the host genome
4. D : New viral DNA is produced by the infected cell
In the given diagram, A and B represent respectively:
1. The N and the C terminus of the polypeptide
2. The C and the N terminus of the polypeptide
3. The constant and variable regions of the antibody molecule
4. The variable and constant regions of the antibody molecule
Consider the given stages in the life cycle of Plasmodium and choose the correctly matched pair :
1. A : Merozites infect human when mosquito bites
2. B : Parasite reproduced sexually in liver cells
3. C : Symptoms of malaria
4. D : Fertilization in hemocoel of the mosquito
Given below is the representative evolutionary history of vertebrates through geological periods. A, B, C, and D respectively are:
A | B | C | D | |
1. | Dinosaurs | Thecodonts | Therapsids | Pelycosaurs |
2. | Dinosaurs | Therapsids | Thecodonts | Pelycosaurs |
3. | Pelycosaurs | Therapsids | Thecodonts | Dinosaurs |
4. | Therapsids | Dinosaurs | Pelycosaurs | Thecodonts |
Karn & Penrose showed that birth weight follows a normal distribution, that mortality for newborns is greater for those either under-or over-weight, and that the mean birth weight (7 lbs) coincides with that showing minimum mortality. The type of natural selection operating here is shown by the graph :
1. (a)
2. (b)
3. (c)
4. Both (a) and (b)
The following two plants exhibit :
1. Analogous organs
2. Vestigial organs
3. Rudimentary organs
4. Homologous organs
In the apparatus of Urey and Miller experiment, the gases [G] contained in the flask are :
1. Methane, Carbon dioxide, Ammonia and Water vapour
2. Methane, Hydrogen cyanide, Ammonia and Water vapour
3. Methane, Ammonia, Hydrogen and Water vapour
4. Carbon dioxide, Oxygen, hydrogen and ammonia
Which of the following cannot be inteferred from the information given in the following diagram :
1. The DNA from the crime scene matches individual B
2. VNTRs are hypervariable
3. The larger fragments remain near the point on introduction in the gel electrophoresis
4. The smaller chromosomes in the human genome have smaller repeats of VNTR
Consider the following diagram showing the working of the lac operon in E.coli in the presence of inducer and choose the correct statement from the ones given below :
1. | A is the inducer and can be either lactose or cAMP |
2. | B is the enzyme that will metabolize glucose, the preferred energy source |
3. | Some amount of C will be present in the cell, even if lactose is absent |
4. | The absence of D will stop the lactose from entering the cell |
Study the diagram given below and choose the correct information that can be deduced :
1. The core RNA polymerase is capable of catalyzing elongation only
2. Sigma factor and Rho factor are needed for termination of transcription
3. DNA helicase opens the strand of the DNA
4. Both strands of DNA are transcribed by the same RNA polymerase
Consider the transcription unit given in the following diagram and choose the correct statements :
I. The promoter is situated upstream and 5' to the structural gene
II. It is the presence of the structural gene that defines the template strand
III. The coding strand does not code for anything and is displaced during transcription
1. I and II only
2. I and III only
3. II and III only
4. I,II and III
Study the results of the Meselson and Stahl experiment. What theoretically possible mode of DNA replication can be excluded after one round of replication ?
1. Conservative
2. Semiconservative
3. Disruptive
4. Both 1 and 3
Which histone is represented by the letter X in the given diagram ?
1. H 1
2. H 2 A
3. H 2 B
4. H 3
Which of the following would not be a feature seen in a patient with the following karyotype ?
1. Many loops on finger tips
2. Congenital heart disease
3. Big and wrinkled tongue
4. Mucus clogging of airways
Given below is the initial amino acids of the beta chain of a hemoglobin molecule. What will be true about this hemoglobin molecule ?
1. | The RBCs carrying this molecule will undergo sickling at high oxygen tension |
2. | The RBCs carrying this molecules will undergo sickling at low oxygen tension |
3. | There will be a quantitative decrease in the synthesis of this molecule |
4. | This is normal beta chain of the hemoglobin molecule |
The disease inheritance pattern exemplified in the given pedigree analysis can be:
1. | Hemophilia | 2. | Red-green colour blindness |
3. | Phenyl ketonuria | 4. | Polydactyly |
What function as the embryonic root of the plant?
1. A
2. B
3. C
4. D
The following diagram shoes:
1. Multicarpellary, syncarpus pistil of Papaver
2. Multicarpellary, apocarpus pistil of Papaver
3. Multicarpellary, apocarpus gynoecium of Michelia
4. Multicarpellary, syncarpus gynoecium of Michelia
Which layer of the anther wall helps in its dehiscence?
1. A
2. B
3. C
4. D
What is true in the given figure?
1. The plant concerned is Chara and A is Oogonium and B is Antheridium
2. The plant concerned is Chara and B is Oogonium and A is Antheridium
3. The plant concerned is Marchantia and A is Oogonium and b is Antheridium
4. The plant concerned is Marchantia and B is Oogonium
A mixture contains 1 mole of volatile liquid A \(\left(\right. P_{A}^{\circ} = 100\ mm\ Hg \left.\right)\) and 3 moles of volatile liquid B \(\left(\right. P_{B}^{0} = 80\ mm\ Hg \left.\right)\). If solution behaves ideally, the total vapour pressure of the distillate is:
1. 85 mm Hg
2. 95 mm Hg
3. 90 mm Hg
4. 92 mm Hg
In a galvanic cell if salt bridge is replaced by inert platinum sheet, the cell will
1. not work further, as positive and negative charges will accumulate on respective sides.
2. not work further, as platinum performs poorly as salt-bridge.
3. work as previous, as platinum performs will s salt-bridge.
4. produce less potential, as platinum performs poorly as salt-bridge.
The solubility of hydroxides of alkaline earth metals increases down the group because
1. the decrease in lattice energy is more predominant than the decrease in hydration energy.
2. the decrease in lattice energy is less predominant than the decrease in hydration energy.
3. the salts become less ionic.
4. lattice energy increases and hydration energy decreases as we move from .
Which one of the following oxides is neutral?
1. CO
2. SnO2
3. ZnO
4. SiO2
The true statement for the acids of phosphorus, is
1. The order of their acidity is
2. All of them are reducing in nature.
3. All of them are tribasic acids.
4. The geometry of phosphorus is tetrahedral in all the three.
The number of S-S bonds in cyclic trimer of sulphur trioxide is
1. three
2. two
3. one
4. zero
Which of the given statements is not true for the following reaction?
[Cu(H
1. It is a ligand substitution reaction.
2. is a relatively strong field ligand while is a weak field ligand.
3. During the reaction, there is a change in colour from light blue to dark blue.
4. [Cu(NH
The actual reducing agent of haematite in blast furnace
1. C
2. CO
3. Al
4.
Froth floatation process for the concentration of ores is a practical application of
1. Adsorption
2. Absorption
3. Coagulation
4. Sedimentation
The number of spherical nodes in 3p orbitals are
1. 1
2. 2
3. 3
4. zero
A gas expands in volume from 2 L to 5 L against a pressure of 1 atm at constant T. The irreversible work done by the gas will be
1. 3J
2. -3J
3. -303.9J
4. 303.9 L atm
Hydrolysis of which of the following xenon fluoride is a non-redox reaction?
1.
2.
3.
4. All the redox reactions
When aniline is treated with benzene diazonium chloride at low temperature in weakly acidic medium, the final product obtained is
1.
2.
3.
4.
Consider following reagents,
(I) water (II) Tollen's reagent and (III) Fehling's solution. Which reagent(s) can be used to make distinction between an aldose and a ketose?
1. (I), (II) and (III)
2. (II) and (III)
3. (I) only
4. (II) only
The structure of glycine (amino acid) is (zwitter ion). The correct statement among the following is-
1. Glycine, as well as other amino acids are amphoteric.
2. The acidic functional group in amino acids is
3. The basic functional group in acids is
4. All the statements are correct.
The maximum tendency to form the gaseous unipositive ion is for the element with configuration
1.
2.
3.
4.
Among . The non planar species are:
1. II, IV, V
2. III, IV
3. I, II, IV
4. II, III, IV
Which of the following has highest ionic character?
1.
2.
3.
4.
The correct order of increasing C-O bond length of
is
1.
2.
3.
4.
Which of the following is not an acid salt?
1.
2.
3.
4. All of the above are acid salts.
Which of the following mixtures will act as a buffer solution when dissolved in 50 mL of water
1. 0.2 mol of aniline+0.2 mol of HCl
2. 0.2 mol of aniline+0.4 mol of NaOH
3. 0.2 mol of NaCl+0.1 mol of HCl
4. 0.2 mol of aniline+0.1 mol of HCl
. Starting with 2 moles and 1 mole in 1 L flask, equilibrium mixture required 0.4 mole in acidic medium. Hence, is:
1. 2
2. 0.4
3. 1.6
4. 2.6
will show:
1. Geometrical isomerism
2. Optical isomerism
3. Geometrical and optical isomerism
4. Neither geometrical nor optical isomerism
Which of the following molecule has the same shape as ?
1.
2.
3.
4.
Weakest base among the following amino compounds is
1.
2.
3.
4.
In the reaction sequence:
1.
2.
3.
4.
The hydrolysis of 2-bromo-3-methylbutane with aqueous KOH yields mainly
1. 2-methyl-2-butanol
2. 3-methyl-2-butanol
3. 2-methyl-2-butene
4. None of the above
Attacking reagent in Raimer-Tiemann reaction is
1. (Nucleophile)
2. (electrophile)
3. (Electrophile)
4. (Nucleophile)
Which one of the following complexes is an outer orbital complex?
1.
2.
3.
4.
The hypothetical complex chlorodiaquatriaminecobalt(III) chloride can be represented as:
1. [CoCl(NH
2. [Co(NH
3. [Co(NH
4. [Co(NH
Which of the following gives a yellow precipitate with :
1.
2.
3.
4. All of the above
Which of the following vitamin is anti-oxidant?
1. Vitamin-A
2. Vitamin-K
3. Vitamin-D
4. Vitamin-E
Self condensation of cyclopentanone is presence of dil. NaOH follwoed by heating gives
1.
2.
3.
4.
Given that
The enthalpy change of the reaction
is
1. -26.17 kJ
2. 44.39 kJ
3. -44.39 kJ
4. 2.617 kJ
Which among the following species has the highest ionisation energy ?
1. Ne
2. F
3. Li
4. B
A gas is an open container is heated from 27C to 127C. The fraction of the original amount of gas remaining in the container will be
1.
2.
3.
4.
Which is the distorted octahedral?
1.
2.
3.
4.
In the following given compounds, the correct decreasing order of acidity is
1. A>D>C>B
2. D>C>A>B
3. C>D>A>B
4. B>A>C>D
The major product in the acid catalysed dehydration of would be
1.
2.
3.
4.
The treatment of with or boiling produces
1.
2.
3.
4.
A rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in veretical position is:
(1)
(2)
(3)
(4)
The velocity-time graph of a body is shown in the figure. For the intervals AB and BC, the ratio of the distances travelled by the body is-
1. 3:1
2. 1:3
3.
4. None of these
A certain mass of gas is taken from an initial thermodynamic state A to another state B by process I and II. In process I the gas does 6 Joule of work and absorbs 4 Joule of heat. The work done by the gas in process II is.
(1) 6 Joule
(2) -6 Joule
(3) 8 Joule
(4) -4 Joule
A cannon ball has the same range R on a horizontal plane for two different angles of projection. If are the greatest height in the two paths for which this is possible, then:
1.
2.
3.
4.
In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2 the balancing length becomes 120 cm. The internal resistance of the cell is:
(1) 4
(2) 2
(3) 1
(4) 0.5
A particle of mass 5 gm executing SHM has amplitude of 8 cm. If it makes 16 vibrations per second. Its energy at mean position is
1.
2.
3.
4.
The potential energy between two atoms in a molecule is given by . Where a and b are positive constants and x is the distance between the atoms. The atoms is in stable equilibrium when
(1)
(2)
(3) x = 0
(4)
A particle moving with velocity V collides with an other particle of the same mass which is at rest.The velocity of centre of mass after the collision is....
(1) 2V
(2)
(3) V
(4) V/2
Refer to figure potentials of points 1, 2 and 3 are equal to .Find the current through resistance
(1) 1A
(2) 0.2A
(3) 10 A
(4) 5 A
The Boolean equation for the circuit given below is, Y=
(1) A.B+C
(2) A.(BC)
(3) A.(A+C)
(4) A.(B+C)
A milliammeter having resistance of 2000 shows maximum deflection for a current of 200 . If it is to be converted into a voltmeter with maximum deflection of 2V, the circuit to be drawn is
A planet revolves around the sun 8 times more faster than the earth. The ratio of planet distance from sun to distance of earth from sun is
(1) 1/4
(2) 4
(3) 2
(4) 8
The earth's magnetic field has a horizontal component except at
(1) Botgh North and South poles
(2) At equation
(3) Only at South pole
(4) Only at North pole
Number density depends on (where A-mass number)
(1) A
(2)
(3)
(4)
The velocity of a body moving in viscous medium is givne by where t is time; P and Q are constants. Then the dimension of P are
(1)
(2)
(3)
(4)
The significant figures in 300.500 are
(1) 6
(2) 5
(3) 4
(4) 2
If is finite then
1. is parallel to
2. =
3. ||=||
4. and are mutually perpendicular
The given Fig. represents the displacement (x) time (t) graph for a particle in one dimensional motion. Which of the Fig. given below represents the variation in velocity of the particle with time?
The acceleration of a particle, stating from rest, varies with time according the relation . The displacement of this particle at time t will be
(1)
(2)
(3)
(4)
The coordinates of a moving particle at any time \(t\) are given by \(x = \alpha t^3\) and \(y=\beta t^3.\) The speed of the particle at time \(t\) is given by:
1. \( \sqrt{\alpha^2+\beta^2} \)
2. \( 3 t \sqrt{\alpha^2+\beta^2} \)
3. \( 3 t^2 \sqrt{\alpha^2+\beta^2}\)
4. \( t^2 \sqrt{\alpha^2+\beta^2}\)
A particle is projected from the ground at an angle with the horizontal with an initial speed of u. The time after which velocity vector of the projectile is perpendicular to the initital velocity is
(1)
(2)
(3)
(4)
Two blocks A and B of masses 2 kg and 1 kg rest on a frictionless surface. A force of 3 N acts on A as shown in Fig. The force exerted by A on B is
(1) 1 N
(2) 3 N
(3) 2 N
(4) zero
An automobile engine of mass m accelerates and a constant power P is applied by the engine. The instantaneous speed of the engine will be
(1)
(2)
(3)
(4)
The angular speed of a body changes from without applying a torque, but due to changes in moment of inertia. The ratio of radii of gyration in the two cases is
(1)
(2)
(3)
(4)
A thin rod of length L and mass M is ben at the middle point O at an angle of , Fig. The moment of intertia of the rod about an axis passing through O and perpendicular to the plane of the rod will be
(1)
(2)
(3)
(4)
Two spheres of masses m and M are situated in air and the gravitational force between them in F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be
(1) 3F
(2) F
(3) F/3
(4) F/9
A wire of length L and radius r is fixed at one end and a force F applied to the other end produces an extension l. The extension produced in another wire of the same material of length 2L and radius 2r by a force 2F is
1. l
2. 2l
3. l/2
4. 4l
A beaker containing a liquid of densiy moves up with an acceleration a. The pressure due to the liquid at a depth h below the free surface of the liquid is
(1) h g
(2) h(g-a)
(3) h(g+a)
(4) 2hg
A ball of mass m and radius r is released in a viscous liquid. The value of its terminal velocity is proportional
(1)
(2)
(3)
(4) m only
An incompressible fluid flows steadily through a cylindrical pipe which has radius 2r at point A and radius r at B further along the flow direction. If the velocity at point A is , its velocity at point B is
(1) 2
(2)
(3) /2
(4) 4
A gas is formed of molecules, each molecules possessing n degree of freedom. The value of for the gas is
1.
2. 1+
3.
4.
From the following P-V diagram, Fig, choose the correct statements.
(4) Temperature increases first and then decreases.
A body executes S.H.M with an amplitude a. The displacement of the body when its potential energy is one third of its kinetic energy, is
(1) a/3
(2) a/2
(3) a/
(4) a/
Two waves having intensities in the ratio of 9:1 produce interference. The ratio of maximum to minimum intensity is equal to
1. 10:8
2. 9:1
3. 4:1
4. 2:1
The potential difference between A and B in the following figure is.
(1) 32 V
(2) 48 V
(3) 24 V
(4) 14 V
Find the current through .
(1) 0
(2) 1 amp
(3) 2 amp
(4) 4 amp
The slope of the straight line obtained by plotting rate versus concentration of reactant for a first order reaction is
1. - k
2.
3.
4. k
Packing fraction in bcc is
1. 0.52
2. 0.74
3. 0.60
4. 0.68
1 mol of NaCl is doped with mol of . Find the concentration of cationic vacancies
1.
2.
3.
4.
The virus shown here is a causative agent of :
1. Intestinal infections
2. Respiratory infections
3. CNS infections
4. Genito-urinary infections
A ray of light from denser medium strikes a rarer medium at an angle of incidence i (figure shown). The reflected and refracted rays make an angle 90 with each other. The angles of reflection and refraction are r and r'. The critical angle is
1.
2.
3.
4.
An air bubble in a glass slab when viewed from one side appears to be at 6 cm. From the opposite side, it appears to be at 4 cm. The thickness of glass slab is
1. 15 cm
2. 12.5 cm
3. 6.65 cm
4. 10 cm
Two plane mirrors are inclined at an angle of 60 as shown in figure. A ray of light incident on one mirror is parallel to the other. What will be the angle between the first incident ray and the last reflected ray ?
1. 120
2. 60
3. 30
4. 0
Two plane mirrors and each have length 1 m and are separated by 1 cm. A ray of light is incident on one end of mirror at an angle of 45. How many reflections will the ray have before going out from the other end ?
1. 50
2. 51
3. 100
4. 101
Consider the two surgical procedures given below and choose the correct statement:
1. | A is a more difficult procedure than B. |
2. | The reversibility of A is good but that of B is very poor. |
3. | A will make the male impotent and B will make the female infertile. |
4. | Both A and B can be called sterilization procedures. |
What structure gets implanted on the wall of the uterus during embryonic development?
1. | 2. | ||
3. | 4. |
In the given diagram, identify A,B,C and D respectively
1. LH, FSH, Progesterone and Estrogen
2. FSH, LH, Estrogen and Progesterone
3. Estrogen, Progesterone, LH and FSH
4. Progesterone, Estrogen, FSH and LH
In the given diagram, the part of the female reproductive system that undergoes cylical changes with changes in the secretion of gondadotropins and gonadal steroids during the menstrual cycle is represented by :
1. A
2. B
3. C
4. D
Which of the structures shown in the following diagram contributes to the source of nutrition for the sperms ejaculated in the semen?
1. A
2. B
3. C
4. D
A particle performs uniform circular motion with an angular momentum L. If the frequency of particle's motion is doubled and its kinetic energy is halved, the angular momentum becomes :
1. 2L
2. 4L
3. L/2
4. L/4
A particle is dropped from a height h on a horizontal floor. Coefficient of restitution is e. The height of particle after nth rebound is
1.
2.
3.
4.
A frictionless wire AB fixed on a circle of radius R. A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is
1.
2.
3.
4.
An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If , then is
1. 1
2. 2
3. 3
4. 4