Accumulation of uric acid in joints will lead to:
1. | Rheumatoid arthritis | 2. | Osteoarthritis |
3. | Osteomalacia | 4. | Gouty arthritis |
A person has a cardiac output of 6000 ml per minute and 20% of this is received by kidneys. What is the renal plasma flow per minute?
1. 1200 ml | 2. 660 ml |
3. 400 ml | 5. 120 ml |
Phonation is the function of:
1. | Larynx | 2. | Pharynx |
3. | Muscles of lips and tongue | 4. | Sinuses in the bones |
A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group:
1. | A and O | 2. | AB, A, B and O |
3. | B and O | 4. | Only O |
The cerebrospinal fluid, present in the ventricles, central canal and sub-arachanoidspace is produced by the capillaries of the:
1. lateral ventricle
2. arachnoid villi
3. choroid plexus
4. dural sinus
The most important measure to check the population explosion in India is:
1. | Enforce one child norm by law with strict penalties for non-compliance |
2. | Progressively increasing the statutory marriage age in males to 25 years |
3. | Motivate smaller families by using contraceptive methods |
4. | Allowing pre-natal sex determination to encourage selective feticide |
Zona pellucida is a membrane surrounding:
1. | Secondary oocyte | 2. | Secondary follicle |
3. | Corona Radiata | 4. | Trophoblast cells |
When a neuron is resting, the axonal membrane is comparatively:
1. More permeable to sodium ions than for potassium ions
2. More permeable to potassium ions than for sodium ions
3. Equally permeable for potassium and sodium ions
4. Impermeable to sodium and potassium ions
The division of primary oocyte results in:
1. | unequal cells – a smaller haploid secondary oocyte and a larger diploid polar body |
2. | unequal cells – a larger haploid secondary oocyte and a smaller haploid polar body |
3. | unequal cells – a smaller diploid secondary oocyte and a larger haploid polar body |
4. | equal cells – a haploid secondary oocyte and a haploid polar body |
Which of the following would not be classified as an accessory digestive gland?
1. Liver
2. Crypts of Lieberkuhn
3. Pancreas
4. Salivary glands
In males, androgens like testosterone secreted by Leydig cells in testes do not:
1. regulate the development, maturation and functions of the male accessory sex organs
2. control the development and regulation of the secondary sexual characters
3. play a major stimulatory role in the process of spermatogenesis
4. produce catabolic effects on protein and carbohydrate metabolism
The high energy bonds in an ATP molecule are between :
1. Ribose and nitrogenous base
2. Nitrogenous base and phosphate
3. Ribose and phosphate
4. Phosphate groups
Identify the incorrectly matched pair:
|
Organism |
Chromosome number in a meiocyte |
1. |
Ophioglossum |
630 |
2. |
Housefly |
12 |
3. |
Maize |
20 |
4. |
Butterfly |
380 |
What important nutrient is added to the curd that is produced with the help of LAB [Lactic Acid Bacteria]?
1. | Vitamin A | 2. | Cyanocobalamin |
3. | Essential amino acids | 4. | Essential fatty acids |
The type of natural selection that operates to eliminate intermediate phenotypes in a population is known as:
1. | Directional selection | 2. | Disruptive selection |
3. | Stabilizing selection | 4. | Reverse selection |
During which period of the geological time scale did the first seed plants evolve?
1. Carboniferous
2. Triassic
3. Jurassic
4. Cretaceous
For the multiplication of any alien piece of DNA in an organism, it needs to be part of a chromosome that has a specific:
1. | Telomeric sequence | 2. | Multiple cloning sites |
3. | Ori | 4. | Selectable marker |
An RNA primer is essential for DNA synthesis carried out by DNA polymerase III. This is because, to synthesize DNA, DNA polymerase III requires:
1. | A free 3’ – PO4 group |
2. | A free 5’ – PO4 group |
3. | A free 3’ – OH group |
4. | A free 5’ – OH group |
Consider the following statements regarding inbreeding in animal husbandry:
I. | Inbreeding refers to the mating of more closely related individuals within the same breed for 4-6 generations. |
II. | Inbreeding increases homozygosity and is necessary if we want to evolve a pure line in any animal. |
III. | Inbreeding exposes harmful recessive genes that are eliminated by selection and helps in the accumulation of superior genes. |
IV. | Continued inbreeding usually reduces fertility and even productivity, called inbreeding depression, which can be overcome by mating selected animals of the breeding population with unrelated superior animals of the same breed. |
The correct statements are:
1. | I, II and III only | 2. | II, III and IV only |
3. | I, II and IV only | 4. | I, II, III and IV |
What is true about the vegetative cell in the pollen tube?
1. | It is smaller than the generative cell |
2. | It has an irregular shaped nucleus |
3. | It floats in the cytoplasm of the generative cell |
4. | It has a dense cytoplasm lacking food reserves |
The class of antibodies involved in allergic response is:
1. | IgA | 2. | IgG |
3. | IgE | 4. | IgM |
DNA replication is correctly described as:
1. | Semi-conservative and Continuous |
2. | Semi-conservative and Discontinuous |
3. | Conservative and Continuous |
4. | Semi-conservative and Semi-discontinuous |
Thalassemia is inherited as a/an ____________ condition.
1. | Autosomal recessive | 2. | Autosomal dominant |
3. | Sex linked recessive | 4. | Sex linked dominant |
An individual affected with Turner’s Syndrome:
I. | Is a female |
II. | Has 45 chromosomes |
III. | Has rudimentary ovaries |
Of the above statements, the correct statements are:
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
Choose the correct statement from the following:
1. | Cleistogamous flowers always exhibit autogamy |
2. | Chasmogamous flowers always exhibit geitonogamy |
3. | Cleistogamous flowers exhibit both autogamy and geitonogamy |
4. | Chasmogamous flowers never exhibit autogamy |
The site of production of ADA in the body is:
1. | Erythrocytes | 2. | Lymphocytes |
3. | Blood plasma | 4. | Osteocytes |
A species evolutionary history will form the basis of classification that is:
1. Biological
2. Phylogenetic
3. Artificial
4.Cladistic
The bryophytes are also called as the amphibians of plants kingdom mainly because:
1. they respire through the moist epidermis
2. they depend on water for sexual reproduction
3. they require more water than most plants
4. they lack true roots
The disease caused by prions in humans is known as:
1. Bovine spongiform encephalopathy
2. Scrapie
3. CJD [Creutzfeldt Jakob Disease]
4. Infectious mononucleosis
Deuteromycetes are also called as Fungi imperfecti because:
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known
In meiosis:
1. A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced twice
2. A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced twice and DNA content getting reduced once
3. A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced once and DNA content getting reduced twice
4. A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced once
The term ‘stele’in a dicot root does not include:
1. | Endodermis | 2. | Pericycle |
3. | Vascular bundles | 4. | Pith |
The ovary is said to be half inferior in all the following except:
1. Mustard
2. Rose
3. Plum
4. Peach
Match each item in Column I regarding structure of a dicotyledonous seed with description in Column II and select the correct option from the codes given below:
|
COLUMN I |
|
COLUMN II |
A |
Testa |
a |
Outer layer of seed coat |
B |
Tegmen |
b |
Inner layer of seed coat |
C |
Hilum |
c |
Scar on seed coat through which the developing seeds were attached to the fruit |
D |
Micropyle |
d |
Small pore through which pollen tube penetrates |
Codes
A | B | C | D | |
1. | a | b | c | d |
2. | b | a | c | d |
3. | b | a | d | c |
4. | a | b | d | c |
Which one of the following is not a connective tissue?
1. Bone
2. Cartilage
3. Blood
4. Muscles
Water exits from a sponge through the:
1. | Spicule | 2. | Choanocyte |
3. | Amoebocyte | 4. | Osculum |
Which of the following dyes is best suited for staining chromosomes?
1. Basic Fuchsine
2. Safranin
3. Methylene blue
4. Carmine
Radiatively active gases do not include:
1. Methane
2. Ammonia
3. Nitrous oxide
4. Chloroflouro carbons
What is bad ozone?
1. Ozone formed in the troposphere
2. Ozone found in the lower stratosphere
3. Ozone found in the upper stratosphere
4. Ozone formed in the lab
The last natural refuge of the Manipur brow antlered deer (Cervus eldi eldi), locally called sangai - the dancing deer of Manipur is the floating national park called:
1. Keoladeo national park
2. Keibul Lamjao National Park
3. Khangchendzonga National Park
4. Campbell Bay National Park
The dry weight of living organisms is mainly made up of:
1. | Water | 2. | Calcium |
3. | Nitrogen | 4. | Carbon |
Which of the following is not an ectoparasite?
1. Lice on humans
2. Copepods on marine fishes
3. Mistletoe on other plants
4. Female Anopheles on humans
If global warming continues, how would the distributional range of some species be affected?
1. There will be a poleward shift
2. There will be an equatorial shift
3. No change is expected for any species
4. There will be shift from land to marine water
Difference in shapes of leaves produced in air and those produced in water represents heterophyllous development due to environment in:
1. Cotton | 2. Coriander |
3. Larkspur | 4. Butter cup |
Plants can get along without respiratory organs. What may be the reason/s for this?
I. Each plant part takes care of its own gas exchange needs
II. Plants do not present great demands for gas exchange
1. Both I and II | 2. Only I |
3. Only II | 4. Neither I nor II |
Which one of the following statements can best explain the term critical concentration of an essential element?
1. Essential element concentration below which plant growth is retarded.
2. Essential element concentration below which plant growth becomes stunted.
3. Essential element concentration below which plant remains in the vegetative phase.
4. None of the above
The greatest contribution of root pressure in water transport in plants most likely is that it:
1. | pushes water to the top at night |
2. | pushes water to the top of the plant when the rate of transpiration is low |
3. | re-establishes the continuous chain of water molecules in the xylem |
4. | pushes water into the endodermal cells changing the transport from apoplast to symplast |
Consider the following statements:
I. | Pure water is usually defined as having a solute potential (Ψπ)of zero. |
II. | A solution will have a lower and hence more negative water potential than that of pure water. |
III. | The more solute molecules present, the more negative the solute potential is. |
Correct statements are:
1. I and II
2. I and III
3. II and III
4. I, II and III
A sort of alternation and generation seen in Cnidarians is termed as:
1. Metamorphosis
2. Epiboly
3. Metagenesis
4. Anagenesis
Which one of the following hormones is a modified amino acids?
1. Progesterone | 2. Prostaglandin |
3. Oestrogen | 4. Epinephrine |
Industrial melanism is an example of
1. drug resistance
2. darkening of skin due to smoke from industries
3. protective resemblance with the surroundings
4. defensive adaptation of skin against ultraviolet radiations.
The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C.
1. A - translation B - transcription C - Erevin Chargaff
2. A -transcription B - translation C - Francis Crick
3. A - translation B - extension C - Rosalind Franklin
4. A - transcription B - replication C - James Watson
Pollen tablets are available in the market for:
1. In vitro fertilization
2. Breeding programmes
3. Supplementing food
4. Ex situ conservation
In vitro clonal propagation in plants is characterized by:
1. PCR and RAPD
2. Northern blotting
3. Electrophoresis and HPLC
4. Microscopy
Match the following sexually transmitted diseases (Column -I) with their causative agent (Column - II) and select the Correct option.
Column - I |
Column - II |
||
(a) |
Gonorrhea |
(i) |
HIV |
(b) |
Syphilis |
(ii) |
Neisseria |
(c) |
Genital Warts |
(iii) |
Treponema |
(d) |
AIDS |
(iv) |
Human Papilloma - Virus |
Options:
(a) |
(b) |
(c) |
(d) |
|
1. |
(ii) |
(iii) |
(iv) |
(i) |
2. |
(iii) |
(iv) |
(i) |
(ii) |
3. |
(iv) |
(ii) |
(iii) |
(i) |
4. |
(iv) |
(iii) |
(ii) |
(i) |
Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents?
1. law of dominance
2. inheritance of one gene
3. co-dominance
4. incomplete dominance
In a plant, red fruit (R) is dominant over yellow fruit (r), and tallness (T) is dominant over shortness (t). A plant with RRTt genotype is crossed with a plant of rrtt genotype. The progeny is:
1. All red fruit, tall 25%
2. All red fruit, tall 50%
3. All red fruit and tall 75%
4. All red fruit and tall.
Which of the following is wrongly matched in the given table?
Microbe |
Product |
Application |
|
1. |
Trichoderma polysporum |
Cyclosporin A |
Immunosuppressive drug |
2. |
Monascus purpureus |
Statins |
Lowering of blood cholesterol |
3. |
Streptococcus |
Streptokinase |
Removal of clot from blood vessel |
4. |
Clostridium butylicum |
Lipase |
Removal of oil stains |
At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?
1. During telophase
2. During S-phase
3. During G2 stage of prophase
4. During entire prophase
In which one of the following, male and female gametophytes do not have free living independent existence
1. | Polytrichum | 2. | Cedrus |
3. | Pteris | 4. | Funaria |
Archaebacteria differ from eubacteria in:
1. Cell membrane structure
2. Mode of nutrition
3. Cell shape
4. Mode of reproduction
The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in
1. Guava
2. Pomegranate
3. Cucumber
4. Orange
The common bottle cork is a product of
1. Dermatogen
2. Phellogen
3. Xylem
4. Vascular Cambium
Which cartilage is present at the end of long bones?
1. Calcified cartilage | 2. Hyaline cartilage |
3. Elastic cartilage | 4. Fibrous cartilage |
One very special feature in earthworm (Pheretima) is that –
1. Fertilisation for eggs occurs inside the body
2. The typhlosole greatly increases the effective absorption area of the digested food in the intestine
3. The S- shaped setae embedded in the integument are the defensive weapons used against the enemies
4. It has a long dorsal tubular heart
In 'S' phase of the cell cycle:
1. amount of DNA doubles in each cell.
2. amount of DNA remains same in each cell.
3. chromosome number is increased
4. amount of DNA is reduced to half in each cell.
Which one of the following is a non-reducing carbohydrate?
1. | Maltose |
2. | Sucrose |
3. | Lactose |
4. | Ribose 5-phosphate |
Which one of the following is a wrong statement?
1. Most of the forests have been lost in tropical areas.
2. Ozone in upper part of atmosphere is harmful to animals.
3. Greenhouse effect is a natural phenomenon.
4. Eutrophication is a natural phenomenon in freshwater bodies.
According to Central Pollution Control Board (CPCB), Which particulate size in diameter (in
micrometres) of the air pollutants is responsible for greatest harm to human health
1. 1•0 or less
2. 5•2-2•5
3. 2•5 or less
4. 1•5 or less
The organization which published the Red List of species is :
1. ICFRE
2. IUCN
3. UNEP
4. WWF
What type of ecological pyramid would be obtained with the following data?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g
1. Inverted pyramid of biomass
2. Upright pyramid of biomass
3. Upright pyramid of numbers
4. Pyramid of energy
Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.
Options :
A |
B |
C |
D |
|
1. |
Rock minerals |
Detritus |
Litter fall |
Producers |
2. |
Litter |
Producers |
Rock minerals |
Detritus |
3. |
Detritus |
Rock minerals |
Producer |
Litter fall |
4. |
Producers |
Litter fall |
Rock minerals |
Detritus |
You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?
1. IAA and gibberellin
2. Auxin and cytokinin
3. Auxin and abscisic acid
4. Gibberellin and abscisic acid
In photosynthesis, the light-independent reactions take place at
1. thylakoid lumen | 2. photosystem l |
3. photosystem ll | 4. stromal matrix |
The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements are involved in this reaction?
1. Manganese and chlorine
2. Manganese and potassium
3. Manganese and molybdenum
4. Manganese and calcium
Pick out the correct match
1. | Sternum | 14 |
2. | Pelvis | 3 |
3. | Ribs | 20 |
4. | Face | 5 |
One of the legal methods of birth control is
1. abortion by taking an appropriate medicine
2. by abstaining from coitus from day 10-17 of the menstrual cycle
3. by having coitus at the time of day break
4. by a premature ejaculation during coitus
Which one of the following events is correctly matched with the time period in a normal menstrual cycle?
1. | Release of egg: 5th day |
2. | Endometrium regenerates: 5 - 10 days |
3. | Endometrium secretes nutrients for implantation: 11-18 days |
4. | Rise in progesterone level: 1 - 15 days |
The Leydig cells as found in the human body are the secretory source of:
1. | progesterone | 2. | intestinal mucus |
3. | glucagon | 4. | androgens |
Which of the following digestive juices has the minimum pH value?
1. Bile
2. Gastric juice
3. Saliva
4. Pancreatic juice
The black pigment in the eye which reduces the internal reflection is located in
1. retina
3. cornea
2. iris
4. sclerotic
Which part of the nephrons is impermeable to water?
1. Proximal convoluted tubule
2. Distal convoluted tubule
3. Ascending limb of loop of Henle
4. Descending limb of loop of Henle
Reduction in pH of the blood will
1. reduce the blood supply to the brain
2. decrease the affinity of hemoglobin with oxygen
3. release bicarbonate ions by the liver
4. reduce the heart rate
Which of the following match is correct
Hormone | Effect |
1. Oxytocin | Milk ejection hormone |
2. Glucagon | Decreases blood sugar level |
3. Adrenaline | Decreases heart rate |
4. Thyroxine | Decreases BMR |
Carnivorous animals - lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as -
1. Character displacement
2. Altruism
3. Resource partitioning
4. Competitive exclusion
Match the following RNA polymerases with their transcribed products:
Column-I |
Column-II |
||
(a) |
RNA polymerase I |
(i) |
tRNA |
(b) |
RNA polymerase II |
(ii) |
rRNA |
(c) |
RNA polymerase III |
(iii) |
hnRNA |
Select the correct option from the following:
1. (a)-(i), (b)-(iii), (c)-(ii)
2. (a)-(i), (b)-(ii), (c)-(iii)
3. (a)-(ii), (b)-(iii), (c)-(i)
4. (a)-(iii), (b)-(ii), (c)-(i)
Match the following techniques or instruments with their usage:
Column I | Column II | ||
(a) | Bioreactor | (i) | Separation of DNA fragments |
(b) | Electrophoresis | (ii) | Production of large quantities of products |
(c) | PCR | (iii) | Detection of pathogens, based on antigen-antibody reaction |
(d) | ELISA | (iv) | Amplification of nucleic acids |
Select the correct option from the following:
1. | (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i) |
2. | (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii) |
3. | (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) |
4. | (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv) |
In some plants, the thalamus contributes to fruit formation. Such fruits are termed as
(1) False fruits
(2) Aggregate fruits
(3) True fruits
(4) Parthenocarpic fruit
Inbreeding depression is -
(1) Reduced motility and immunity due to close inbreeding
(2) Decreased productivity due to mating of superior male and inferior female
(3) Decrease in body mass of progeny due to continued close inbreeding
(4) Reduced fertility and productivity due to continued close inbreeding