The pubic bones, constituent of the coxal bone, are held together ventrally by a:
1. syndesmosis
2. diarthrotic
3. symphysis
4. synchondrosis
The minimum amount of urine output per day required to eliminate the nitrogenous wastes produced during normal metabolism in a day will be:
1. 400 ml
2. 700 ml
3. 1000 ml
4. 1500 ml
When carbon dioxide combines with haemoglobin in blood, it forms:
1. | Carboxyhemoglobin | 2. | Carbaminohemoglobin |
3. | Methemoglobin | 4. | Oxidized hemoglobin |
Normal activities of the heart are regulated:
1. intrinsically
2. by adrenal medullary hormones
3. by sympathetic nervous system
4. by parasympathetic nervous system
Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
COLUMN I |
|
COLUMN II |
A. |
Utricle |
a. |
linear acceleration of the head in the vertical plane |
B. |
Saccule |
b. |
linear acceleration of the head in the horizontal plane |
C. |
Cochlea |
c. |
detects rotation of head |
D. |
Semicircular canals |
d. |
Hearing |
Codes
A | B | C | D | |
1. | a | b | c | d |
2. | b | a | d | c |
3. | b | a | c | d |
4. | a | b | d | c |
Under normal conditions, almost all the energy used by the brain cells is supplied by:
1. The free fatty acids in the blood
2. Glucose derived from the blood
3. Gluconeogenesis in glial cells
4. Breakdown of muscle glycogen
The signals of fetal ejection reflex originate from:
1. Maternal pituitary
2. Maternal hypothalamus
3. Fully developed fetus and placenta
4. Fetal pituitary
The ideal contraceptive for females who want to delay pregnancy and/or space children is:
1. Barrier contraceptive
2. Periodic abstinence
3. IUD
4. Hormonal pills
Consider the following two statements:
I: | Not all copulations lead to fertilization and pregnancy |
II: | Fertilization can occur if the ovum and the sperms are simultaneously transported to the fallopian tubes. |
1. Both I and II are correct and II correctly explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct but II is incorrect.
4. I is incorrect but II is correct.
What prevents the back flow of faeces from caecum into the small intestine?
1. ileo-caecal valve
2. ileo-caecal sphincter
3. vermiform appendix
4. taenia coli muscle
The hormones of ‘flight or fight’ response:
1. are secreted by the zona glomerulosa of adrenal cortex
2. are commonly called as catecholamines
3. are released slowly over a period of time when required
4. do not act via a second messenger system
In animal cells, steroidal hormones are synthesized in the:
1. | Rough endoplasmic reticulum |
2. | Smooth endoplasmic reticulum |
3. | Golgi apparatus |
4. | Lysosomes |
During meiosis, the bivalent chromosomes clearly appear as tetrads first at:
1. | Zygotene of Prophase I | 2. | Pachytene of Prophase I |
3. | Metaphase I | 4. | Anaphase I |
Identify the structure of the amino acid that is a Zwitter ion :
1. | 2. | ||
3. | 4. |
The part of the complex stomach of ruminants that has methanogens present is the:
1. | Omassum | 2. | Abomasum |
3. | Rumen | 4. | Reticulum |
A piece of DNA, somehow transferred into an alien organism, will be able to multiply itself in the progeny cells of organism if:
1. | It includes the centromere |
2. | It becomes a part of chromosome |
3. | It does not contain any intron sequences |
4. | It is a single stranded polynucleotide |
Both Charles Darwin and A.R.Wallace were influenced by the:
1. writings of J.B.S.Haldane on the origin of life
2. findings of Urey and Miller experiments
3. findings on the Galapagos Islands
4. essay on human population by T.R.Malthus
Lichens are very sensitive to pollution. In England, after the onset of the industrial revolution, the lichens were adversely affected and the frequency of the dark-colored peppered moths increased because they were:
1. protected from carcinogens
2. protected from lichen poisons
3. more robust
4. protected from predation
Electroporation is:
1. | the process of separating charged molecules through a gel maintained in an electric field |
2. | the process of combining foreign DNA to an electrically charged vector molecule |
3. | the process of introducing DNA into cells by the application of high-voltage pulses |
4. | the process of protoplast fusion by the application of high-voltage pulses |
The salient features of the human genome include all except:
1. About 1.4 million SNP locations
2. Functions known for less than 50% of the discovered genes
3. The actual number of genes and the initial estimates are remarkable similar
4. More than 98% of genome does not code for proteins
Sickle cell disease is an example of:
1. Sex linked recessive disorder
2. Pleiotropy
3. Polygenic trait
4. Sex influenced trait
Which of the following is not correctly matched?
1. | Green revolution - A significant increase in agricultural productivity resulting from the introduction of high-yield varieties of grains, the use of pesticides, and improved management techniques. |
2. | White revolution – Also called as Operation Flood, it refers to a significant increase in milk production which made India the largest milk producer in the world. |
3. | Blue revolution - Management of water resources that can steer humanity to achieve drinking water and crop irrigation security. |
4. | Pisciculture - The farming of aquatic organisms such as fish, shellfish, and even plants. |
The outer hard layer of the pollen wall is made up of:
1. | Callose, which is easily digested by enzymes |
2. | Sporopollenin, which is resistant to all enzymes |
3. | Hemicellulose, which is difficult to digest by enzymes |
4. | Calcium pectate, which is easily digested by enzymes |
In artificial hybridization experiments, if the female plant produces unisexual flowers, emasculation:
1. Must be done before maturity.
2. Must be done after maturity.
3. Must be done at maturity.
4. Is not needed.
Which of the following is not a documented effect of alcoholism?
1. | intrauterine growth retardation in the fetus if the pregnant female consumes alcohol |
2. | cirrhosis of liver secondary to fatty deposition in the liver |
3. | an increase in the secretion of ADH by the supraoptic nucleus leading to retention of urine |
4. | gastritis and pancreatitis |
Gene regulation in prokaryotes is carried out exclusively at the level of:
1. | Initiation of transcription |
2. | Post-transcriptional modifications |
3. | Translation |
4. | Post-translational modifications |
During his observation of spermatogenesis in a few insects, Henking found that a nuclear structure was received by 50 % of the sperms. He called this structure as:
1. | X – body | 2. | Y–body |
3. | X – chromosome | 4. | Y – chromosome |
Which of the following suffix is used to denote the taxon ‘family’ in taxonomy of plants?
1. | -ae | 2. | -opsida |
3. | -aceae | 4. | -ales |
Which of the following does not belong to the class Pteropsida?
1. | Dryopteris | 2. | Adiantum |
3. | Pteris | 4. | Lycopodium |
As a group the most extensive metabolic diversity is shown by:
1. Bacteria | 2. Protista |
3. Fungi | 4. Animals |
A pair of walking legs in cockroach is borne by:
1. The first two thoracic segments only
2. Each thoracic segment
3. The 2nd and 3rd thoracic and first abdominal segments
4. The abdominal segments
All the following are features of non chordates except:
1. A dorsal heart, if present
2. Ventral, solid and double central nervous system
3. Absence of gill slits
4. Post anal tail
Interfascicular cambium and cork cambium are formed due to
1. Cell division
2. Cell differentitation
3. Cell dedifferentiation
4. Redifferentiation
In an inflorescence where flowers are borne laterally in an acropetal succession, the position of the youngest floral bud shall be
1. Proximal
2. Distal
3. Intercalary
4. Any where
All eukaryotic unicellular organisms belong to
1. Monera
2. Protista
3. Fungi
4. Bacteria
Identify the incorrectly matched pair:
|
Placentation |
Example |
1. |
Free central |
Dianthus |
2. |
Basal |
Sunflower |
3. |
Axile |
China rose |
4. |
Marginal |
Mustard |
Radially symmetrical animals:
1. Are all triploblastic
2. Tend to be sessile and passively floating
3. Have a definite head and a brain
4. Have an anterior and a posterior end
A population has more young individuals compared to older individuals. What would be the status of the population after some years?
1. It will decline
2. It will stabilize
3. It will increase
4. It will first decline and then stabilize
Match the following and choose the correct option.
Column I | Column II | ||
A. | Environment Protection Act | i. | 1974 |
B. | Air prevention & Control of pollution Act | ii. | 1987 |
C. | Water act | iii. | 1986 |
D. | Amendment of Air Act to include noise as an air pollutant | iv. | 1981 |
The correct match is :
Options: | A | B | C | D |
1. | iii | iv | i | ii |
2. | i | iii | ii | iv |
3. | iv | i | ii | iii |
4. | iii | iv | ii | i |
The Environment Protection Act was passed in:
1. 1988
2. 1987
3. 1985
4. 1986
The extinction of passenger pigeons was due to:
1. Increased number of predatory birds
2. Over-exploitation by humans
3. Non-availability of the food.
4. Bird flu virus infection
During the process of ecological succession, the changes that take place in communities are :
1. Orderly and sequential
2. Random
3. Very quick
4. Not influenced by the physical environment
In an aquatic food chain, zooplankton occupy which trophic level?
1. | First | 2. | Second |
3. | Third | 4. | Fourth |
Unlike a population, an individual has:
1. | Birth and death | 2. | Birth rate |
3. | Death rate | 4. | Sex ratio |
According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
1. 2 | 2. 30 |
3. 36 | 4. 38 |
The most common enzyme in the world is:
1. | PEP carboxylase | 2. | Pyruvate dehydrogenase |
3. | RuBisCO | 4. | Collagenase |
Consider the following statements with respect to the relationship between osmotic pressure and osmotic potential as explained in section 11.2.2 in NCERT
I. Water moves from regions of higher osmotic pressure to regions of lower pressure
II. Osmotic potential is equivalent to osmotic pressure in concept but opposite in sign
The correct statements are:
1. I only
2. II only
3. Both I and II
4. None
Match the items given in column I with those in column II and select the correct option below:
Column I (Function) |
Column II (Part of Excretory system) |
||
(a) |
Ultrafiltration |
(i) |
Henle’s loop |
(b) |
Concentration of urine |
(ii) |
Ureter |
(c) |
Transport of urine |
(iii) |
Urinary bladder |
(d) |
Storage of urine |
(iv) |
Malpighian corpuscle |
(v) |
Proximal convoluted tubule |
Codes:
(a) (b) (c) (d)
1. (v) (iv) (i) (ii)
2. (iv) (i) (ii) (iii)
3. (iv) (v) (ii) (iii)
4. (v) (iv) (i) (iii)
Osteoporosis, an age related disease of skeletal system, may occur due to
1. High concentration of Ca++ and Na+
2. Decrease level of estrogen
3. Accumulation of uric acid leading to inflammation of joints
4. Immune disorder affecting neuromuscular junction leading to fatigue
The transparent lens in the human eye is held in its place by
1. Smooth muscles attached to the iris.
2. Ligaments attached to the iris.
3. Ligaments attached to the ciliary body.
4. Smooth muscles attached to the ciliary body.
Match the items given in Column I with those in Column II and select the correct option given below:
Column – I | Column – II | ||
(a) | Tricuspid valve | (i) | Between left atrium and left ventricle |
(b) | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
(c) | Semilunar valve | (iii) | Between right atrium and right ventricle |
Codes:
(a) | (b) | (c) | |
1. | (i) | (ii) | (iii) |
2. | (i) | (iii) | (ii) |
3. | (iii) | (i) | (ii) |
4. | (ii) | (i) | (iii) |
Identify the human development stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together:
Developmental stage |
Site of occurrence |
|
1. |
Blastocyst |
Uterine wall |
2. |
8 cells morula |
Starting point of Fallopian tube |
3. |
Late morula |
Middle part of Fallopian tube |
4. |
Blastula |
End part of Fallopian tube |
Which of the following terms describe human dentition?
1. Pleurodont, Monophyodont, Homodont
2. Thecodont, Diphyodont, Heterodont
3. Thecodont, Diphyodont, Homodont
4. Pleurodont, Diphyodont, Heterodont
There is a restriction endonuclease called EcoRI. What does ‘co’ part in it stand for?
1. Colon
2. Coelom
3. Coenzyme
4. coli
In the DNA molecule
1. The proportion of adenine in relation of thymine varies with the organism
2. There are two strands which run antiparallel one in 5’ → 3’ direction and other in 3’ → 5’
3. The total amount of purine nucleotides and pyrimidine nucleotides is not run always equal
4. There are two strands which run paralled in the 5’ → 3’ direction.
Which one of the following statements is not true?
1. | Stored pollen in liquid nitrogen can be used in the crop breeding programmes. |
2. | Tapetum helps in the dehiscence of anther. |
3. | Exine of pollen grains is made up of sporopollenin. |
4. | Pollen grains of many species cause severe allergies. |
Even in absence of pollinating agents, seed setting is assured in:
1. | Commelina | 2. | Zostera |
3. | Salvia | 4. | Fig |
Cry 1 endotoxins obtained from Bacillus thuringiensis are effective against
1. Nematodes
2. Mosquitoes
3. Bollworms
4. Flies
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
1. Morphine leads to delusions and disturbed emotions
2. Barbiturates cause relaxation and temporary euphoria
3. Hashish causes after thought perceptions and hallucinations
4. Opium stimulates nervous system and causes hallucinations
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant type offspring. This indicates:
1. Both of the characters are controlled by more than one gene.
2. The two genes are located on two different chromosomes.
3. Chromosomes failed to separate during meiosis.
4. The two genes are linked and present on the same chromosome.
The name of Norman Borlaug is associated with
1. Green revolution
2. White revolution
3. Yellow revolution
4. Blue revolution
A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of
1. Bacillus
2. Pseudomonas
3. Trichoderma
4. Xanthomonas
Monoecious plant of Chara shows the occurrence of:
1. | Upper oogonium and lower antheridium on the same plant |
2. | Antheridiophore and archegoniophore on the same plant |
3. | Stamen and carpel on the same plant |
4. | Upper antheridium and lower oogonium on the same plant |
In bryophytes and pteridophytes, transport of male gametes requires:
1. Water
2. Wind
3. Insects
4. Birds
Methanogens belong to
1. Slime moulds
2. Eubacteria
3. Archaebacteria
4. Dinoflagellates
The floral formula is that of
1. Tobacco
2. Tulip
3. Soybean
4. Sunnhemp
Uricotelic mode of passing out nitrogenous wastes is found in
1. reptiles and bird | 2. birds and annelids |
3. amphibians and reptiles | 4. insects and amphibians |
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and releaseof molecular oxygen?
1. Carbon
2. Oxygen
3. Fe
4. CI
Which one of the following is mismatched?
1. Fossil fuel burning - Release of
2. Nuclear power - Radioactive wastes
3. Solar energy - Green house effect
4. Biomass burning - Release of
Which one is correctly matched
1. Rhinoceros – Kaziranga National Park
2. Great Indian Bustard–Keoladeo National Park
3. Lion–Corbett national Park
4. Wild Ass – Dudhwa National Park
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem.
1. Frog
2. Phytoplankton
3. Fish
4. Zooplankton
After glycolysis, the fate of glucose in the mitochondrial matrix is
1. | oxidation | 2. | reduction |
3. | oxidative decarboxylation | 4. | hydrolysis |
In Kranz anatomy, the bundle sheath cells have
1. thick walls, many intercellular spaces and few chloroplasts
2. thin walls, many intercellular spaces and no chloroplasts
3. thick walls, no intercellular spaces and large number of chloroplasts
4. thin walls, no intercellular spaces and several chloroplasts
Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D:
(A) | (B) | (C) | (D) | |
1. | Denitrification | Ammonification | Plant biomass |
Animal biomass |
2. | Nitrification | Denitrification | Animal biomass |
Plant biomass |
3. | Denitrification | Nitrification | Plant biomass |
Animal biomass |
4. | Nitrification | Ammonification | Animal biomass |
Plant biomass |
Plasmodesmata are:
1. Connections between adjacent cells
2. Lignified cemented layers between cells
3. Locomotory structures
4. Membranes connecting the nucleus with plasmalemma
Oxygen binding to haemoglobin in blood is
1. directly proportional to the concentration of in the medium
2. inversely proportional to the concentration of in the medium
3. directly proportional to the concentration of CO in the medium
4. independent of the concentration of CO in the medium
Which of the following events is not associated with ovulation in human female?
1. Decrease in oestradiol
2. Full development of Graafian follicle
3. Release of secondary oocyte
4. LH surge
Match the source gland with its respective hormone as well as the function.
Source gland | Hormone | Function | |
1. | Posterior pituitary | Vasopressin | Stimulates resorption of water in the distal tubules in nephron |
2. | Corpus luteum | Oestrogen | Supports pregnancy |
3. | Thyroid | Thyroxine | Regulates blood calcium level |
4. | Anterior pituitary | Oxytocin | Contraction of uterus muscles during child birth |
The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. | Aristotle | 2. | Rudolf Virchow |
3. | Theodore Schwann | 4. | Schleiden |
What map unit (Centimorgan) is adopted in the construction of genetic maps?
1. A unit of distance between genes on chromosomes, representing 50% cross over.
2. A unit of distance between two expressed genes, representing 10% cross over.
3. A unit of distance between two expressed genes, representing 100% cross over.
4. A unit of distance between genes on chromosomes. representing 1% cross over.
From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:
1. | |
2. | |
3. | |
4. |
Identify the basic amino acid from the following:
1. | Glutamic Acid | 2. | Lysine |
3. | Valine | 4. | Tyrosine |
The impact of immigration on population density is :-
(1) Negative
(2) Both positive and negative
(3) Neutralized by natality
(4) Positive
In the polynucleotide chain of DNA, a nitrogenous base is linked to the –OH of:
(1) 2'C pentose sugar
(2) 3'C pentose sugar
(3) 5'C pentose sugar
(4) 1'C pentose sugar
Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:
1. | Anaphase | 2. | Telophase |
3. | Prophase | 4. | Metaphase |
Match the following columns and select the correct option:-
Column-I Column-II
(a) Pituitary hormone (i) Steroid
(b) Epinephrine (ii) Neuropeptides
(c) Endorphins (iii) Peptides, proteins
(d) Cortisol (iv) Biogenic amines
1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
Which of the following STDs are not curable?
(1) Genital herpes, Hepatitis B, HIV infection
(2) Chlamydiasis, Syphilis, Genital warts
(3) HIV, Gonorrhoea, Trichomoniasis
(4) Gonorrhoea, Trichomoniasis, Hepatitis B
Select the incorrectly matched pair from the following:
1. Chondrocytes - Smooth muscle cells
2. Neurons - Nerve cells
3. Fibroblast - Areolar tissue
4. Osteocytes - Bone cells
Large, empty colorless cells of the adaxial epidermis along the veins of grass leaves are
1. Lenticels
2. Guard cells
3. Bundle sheath cells
4. Bulliform cells
Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
1. Gibberellic acid
2. Nitrate
3. Ascorbic acid
4. Chilling conditions