What type of muscles do you expect to find in the inner walls of hollow visceral organs?
1. | Involuntary, nonstriated | 2. | Voluntary, nonstriated |
3. | Involuntary, striated | 4. | Voluntary, striated |
Which of these has the highest concentration in the urine?
1. | glucose | 2. | sodium |
3. | uric acid | 4. | phosphate |
Which of the following is higher in value?
1. Amount of carbon dioxide delivered by 100 ml of blood at lungs than amount of oxygen delivered by 100 ml of blood at tissues
2. Amount of carbon dioxide transported by hemoglobin than amount of oxygen transported by hemoglobin
3. The diffusing capacity of carbon dioxide across the respiratory membrane than the diffusing capacity of oxygen across the respiratory membrane
4. Alveolar ventilation than the minute ventilation
The normal hematocrit value of human blood is:
1. 45
2. 50
3. 55
4. 60
The amount of light entering the human eye is regulated by:
1. Pupil | 2. Iris |
3. Cornea | 4. Ciliary body |
Membranous labyrinth of the inner ear is surrounded by:
1. Perilymph | 2. Endolymph |
3. Hemolymph | 4. Air |
Which of the following is not useful in the prevention of the spread of STDs?
1. | Avoid sex with unknown partners/ multiple partners |
2. | Use of condoms during coitus |
3. | Early diagnosis and treatment |
4. | Use of IUDs |
During pregnancy the levels of thyroxin:
1. Increase several folds in maternal blood
2. Increases several folds in fetal blood
3. Decreases several folds in maternal blood
4. Decreases several folds in fetal blood
Corpus luteum is essential for:
1. Release of ovum
2. Development of follicles
3. Maintenance of endometrium
4. Contraction of the myometrium
Which of the following worm infection is unlikely to result in the inflammation of the intestinal tract?
1. tapeworm
2. threadworm
3. pin worm
4. filarial worm
Identify the correct statements from the following:
I: | ANF is secreted by the right atrium of heart and causes vasodilation |
II: | Erythropoietin is secreted by kidney and stimulates bone marrow to produce RBC |
III: | Insulin-like growth factors are secreted by liver and play an important role in childhood growth, and has anabolic effects in adults |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
A non-membrane bound organelle found in all cells is:
1. | Centriole | 2. | Lysosome |
3. | Vacuole | 4. | Ribosome |
The point of contact between paired chromatids during meiosis, resulting in a cross-shaped configuration and representing the cytological manifestation of crossing over is called:
1. | Centromere | 2. | Centrosome |
3. | Chiasmata | 4. | Tetrad |
Cell membrane carbohydrates participate in
1. transporting substances between two protein layers
2. cell-to-cell recognition
3. attaching the membrane to cytoskeleton
4. cell adhesions
Which of the following human diseases cannot be treated by antibiotics?
1. | Plague | 2. | Diphtheria |
3. | Leprosy | 4. | Mumps |
Identify (a) and (b) bioreactors respectively in the given diagram:
1. Simple stirred-tank and sparged stirred – tank
2. Sparged stirred - tank and simple stirred-tank
3. Airlift and tower
4. Tower and airlift
In which of the following groups of organisms is the sympatric speciation most likely to occur?
1. amphibians
2. arthropods
3. plants
4. birds
Which of the following is not a major evolutionary trend seen in the evolution of horses?
1. | Progressive increase in the number of toes |
2. | Increase in the complexity of the molar teeth |
3. | Lengthening of the limbs in general |
4. | Enlargement of the brain |
The first recombinant therapeutic product approved for human use was:
1. | Humulin | 2. | hGH |
3. | Factor VIII clotting factor | 4. | Erythropoietin |
On examining a sample of human DNA, it was found that it contains approximately 24 % thymine. Which of the following would be true based on this finding?
1. The amount of adenine in a similar sample of DNA from any human being will be approximately 24 %.
2. The amount of adenine in a similar sample of DNA from any living being will be approximately 24 %.
3. The amount of adenine in a similar sample of DNA from any eukaryotic cell will be approximately 24 %.
4. The amount of adenine in a similar sample of DNA from any mammal will be approximately 24 %.
A man of which of the following blood groups could not be the father of a group O child?
1. A
2. B
3. O
4. AB
Identify the option where the Crop [Column I], Variety [Column II], and Resistance to diseases [Column III] are not correctly matched:
CROP |
VARIETY |
RESISTANCE TO |
|
1. |
Wheat |
Himgiri |
Leaf and stripe rust |
2. |
Brassica |
Karan rai |
White rust |
3. |
Cowpea |
PusaShubhra |
Bacterial blight |
4. |
Chilli |
PusaSadabahar |
Mosaic virus |
In angiosperms:
1. Pollen grains are motile but the egg cell is non-motile.
2. Pollen grains are non-motile but the egg cell is motile.
3. Both pollen grain and egg cell are non-motile.
4. Both pollen grain and egg cell are motile.
Consider the following two statements regarding the integuments of an ovule:
I: | Angiosperms are generally bitegmic and gymnosperms unitegmic |
II: | The integuments develop into the seed coat when the ovule matures after fertilization. |
Of the two statements:
1. Both I and II are true
2. Both I and II are false
3. Only I is true
4. Only II is true
Steroid abuse in males does not cause:
1. Decrease in size of the prostate
2. Acne
3. Breast enlargement
4. Reduction of testicle size
Prior to the work of Avery, Macleod, and McCarty, the genetic material was thought to be:
1. | DNA | 2. | RNA |
3. | Protein | 4. | Nucleotide |
The number of autosomes in a human egg would be:
1. | 22 | 2. | 23 |
3. | 1 | 4. | 2 |
Humans belong to the Order:
1. | Hominidae | 2. | Primata |
3. | Mammalia | 4. | Vertebrata |
Prothallus is a:
1. | Multicellular, free-living, mostly photosynthetic thalloid gametophyte in pteridophytes |
2. | Multicellular, free-living, mostly photosynthetic thalloid sporophyte in pteridophytes |
3. | Multicellular, free-living, non photosynthetic thalloid gametophyte in pteridophytes |
4. | Multicellular, free-living, mostly photosynthetic well differentiated sporophyte in pteridophytes |
Who, amongst the following, was the earliest to attempt a more scientific basis of classification?
1. | Aristotle | 2. | John Ray |
3. | Tournefort | 4. | Linnaeus |
Which protists are all heterotrophs and live as predators or parasites?
1. | Desmids | 2. | Slime moulds |
3. | Protozoans | 4. | Euglenoids |
What are the structures labelled A, B, C and D respectively, in the given diagram?
1. | Mast cell, Fibroblast, Collagen, Macrophage |
2. | Mast cell, Dendritic cell, Collagen, Macrophage |
3. | Macrophage, Fibroblast, Elastin, Mast cell |
4. | Macrophage, Fibroblast, Collagen, Mast cell |
‘Cephalization’ in animals was facilitated by evolution of:
1. Radial symmetry
2. Tissue grade organization
3. Bilateral symmetry
4. True coelom
Match the following and choose the correct option from below:
A. Meristem |
i. Photosynthesis, storage |
B. Parenchyma |
ii. Mechanical support |
C. Collenchyma |
iii. Actively dividing cells |
D. Sclerenchyma |
iv. Stomata |
E. Epidermal tissue |
v. Sclereids |
Options:
A | B | C | D | E | |
1. |
i |
iii |
v |
ii |
iv |
2. |
iii |
i |
ii |
v |
iv |
3. |
ii |
iv |
v |
i |
iii |
4. |
v |
iv |
iii |
ii |
i |
The floral formula shown below belongs to the family:
1. Liliaceae
2. Fabaceae
3. Solanaceae
4. Brassicaceae
Variation in the length of filaments within a flower is seen in:
1. | Pea | 2. | Citrus |
3. | Salvia | 4. | Brinjal |
Mammals are not characterized by:
1. | Presence of hair | 2. | Presence of mammary glands |
3. | Homodont dentition | 4. | Endothermy |
According to Allen’s Rule, mammals from colder climates have:
1. Shorter ears and longer limbs
2. Longer ears and shorter limbs
3. Longer ears and longer limbs
4. Shorter ears and shorter limbs
Which of the following material takes the longest time for biodegradation?
1. | Cotton | 2. | Paper |
3. | Bone | 4. | Jute |
In a water body polluted with biodegradable organic compounds,
1. the BOD and DO content are low
2. the BOD and DO content are high
3. the BOD is low and DO content is high
4. the BOD is high and DO content is low
Match the animals given in column I with their location in column II:
Column I |
Column II |
A. Dodo |
i. Africa |
B. Quagga |
ii. Russia |
C. Thylacine |
iii. Mauritius |
D. Stellar’s sea cow |
iv. Australia |
Choose the correct match from the following:
1. | A-i | B-iii | C-ii | D-iv |
2. | A-iv | B-iii | C-i | D-ii |
3. | A-iii | B-i | C-ii | D-iv |
4. | A-iii | B-i | C-iv | D-ii |
Which of the following is not a producer?
1. | Spirogyra | 2. | Agaricus |
3. | Volvox | 4. | Nostoc |
Decomposition of detritus is rapid when:
1. It is rich in lignin and chitin
2. Ambient temperature is low
3. Environment favours anaerobiosis
4. It predominantly contains nitrogen and sugars
Any attribute of the organism that enables the organism to survive and reproduce in its habitat is called as:
1. Adaptation
2. Phenotypic plasticity
3. Acclimatization
4. Norm of the reaction
Which PGR stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stress?
1. Cytokinin | 2. Giberrellin |
3. ABA | 4. Ethylene |
The electron transport system in mitochondria is located in the:
1. Inner mitochondrial membrane
2. Outer mitochondrial membrane
3. Inter membrane space
4. Matrix
How many ATP and NADPH are respectively required to make one molecule of glucose through the Calvin pathway?
1. 3 and 2 | 2. 6 and 6 |
3. 9 and 6 | 4. 18 and 12 |
During mass flow in phloem, active transport is required:
1. For uploading sap
2. For unloading sap
3. Both for uploading and unloading the sap
4. Active transport is not required
Which of the following causes an increase in sodium reabsorption in distal convoluted tubule?
1. Increase in aldosterone levels.
2. Decrease in antidiuretic hormone levels.
3. Decrease in aldosterone levels.
4. Decrease in antidiuretic hormone levels.
Which one of the following pairs of chemical substances are correctly categorized?
Enzymes |
Characteristics |
|
1 |
Troponin and myosin |
Complex protein in striated muscles |
2 |
Secretin and rhodopsin |
Polypeptide hormones |
3 |
Calcitonin and thymosin |
Thyroid hormones |
4 |
Pepsin and prolactin |
Two digestive enzymes secreted in stomach |
Which part of human brain is concerned with the regulation of body temperature?
1. Cerebellum
2. Cerebrum
3. Hypothalamus
4. Medulla oblongata
If due to some injury, the chordae tendineae of the tricuspid valve of the human heart are partially non-functional, what will be the immediate effect?
1. The blood will tend to flow back into the left atrium
2. The flow of blood into the pulmonary artery will be reduced
3. The flow of blood into aorta will be slowed down
4. The pacemaker will stop working
Which one of the following hormones though synthesized elsewhere, is stored and released by the master gland?
1. Melanocyte stimulating hormone
2. Antidiuretic hormone
3. Luteinizing hormone
4. Prolactin
Test tube baby means a baby born when:
1. | it is developed in a test tube. |
2. | it is developed through the tissue culture method. |
3. | the ovum is fertilized externally and thereafter implanted in the uterus. |
4. | it develops from a non-fertilized egg. |
In human female, the blastocyst
1. Gets implanted into the uterus 3 days after ovulation.
2. Gets nutrition from uterine endometrial secretion only after implantation.
3. Gets implanted in endometrium by the trophoblast cells.
4. Forms placenta even before implantation.
Which one of the following correctly represents the normal adult human dental formula?
1.
2.
3.
4.
DNA fragments are:
1. Positively charged
2. Negatively charged
3. Neutral
4. Either positively or negatively charged depending on their size
During transcription, holoenzyme RNA polymerase binds to DNA sequence and DNA assumes a saddle like
structure at that point. The sequence is called
1. AAAT box
2. TATA box
3. GGTT box
4. CAAT box.
The wheat grain has an embryo with one large, shield-shaped cotyledon known as:
1. | Coleorrhiza | 2. | Scutellum |
3. | Coleoptile | 4. | Epiblast |
Nucellar polyembryony is reported in which of the following species?
1. Citrus
2. Gossypium
3. Triticum
4. Brassica
An abnormal human baby with 'XXX' sex chromosomes was born due to :
1. formation of abnormal ova in the mother
2. fusion of two ova and one sperm
3. fusion of two sperms and one ovum
4. formation of abnormal sperms in the father
Monascus purpureus is a yeast used commercially in the production of:
1. ethanol
2. streptokinase for removing clots from the blood vessels.
3. Citric acid
4. blood cholesterol lowering statins
In which one pair from the pairs given below, both the plants can be vegetatively propagated by leaf segments?
1. Agave and Kalanchoe
2. Bryophyllum and Kalanchoe
3. Asparagus and Bryophyllum
4.Chrysanthemum and Agave
A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has
1. Twice the number of chromosomes and twice the amount of DNA
2. Same number of chromosomes but twice the amount of DNA
3. Twice the number of chromosomes and four times the amount of DNA
4. Four times the number of chromosomes and twice the amount of DNA
An alga which can be employed as food for human beings :
1. Ulothrix
2. Chlorella
3. Spirogyra
4. Polysiphonia
Which of the following is not a feature of the plasmids?
1. | Single – stranded | 2. | Independent replication |
3. | Circular structure | 4. | Transferable |
Which one of the following statements is correct?
1. The seed in grasses is not endospermic.
2. Mango is a parthenocarpic fruit.
3. A proteinaceous aleurone layer is present in maize grain.
4. A sterile pistil is called a staminode.
Which of the following is made up of dead cells?
1. Xylem parenchyma
2. Collenchyma
3. Phellem
4. Phloem
The terga, sterna and pleura of cockroach body are joined by :
1. Muscular tissue
2. Arthrodial membrane
3. Cartilage
4. Cementing glue
Which of the following diseases is caused by a protozoan?
1. Influenza
2. Babesiosis
3. Blastomycosis
4. Syphilis
Which of the following are not polymeric?
1. | nucleic acids | 2. | proteins |
3. | polysaccharides | 4. | Lipids |
Biochemical Oxygen Demand (BOD) may not be good index for pollution for water bodies receiving effluents from
1. sugar industry
2. domestic sewage
3. dairy industry
4. petroleum industry
Decomposers are
1. Animalia and Monera
2. Protista and Animalia
3. Fungi and Plantae
4. Bacteria and Fungi
Exponential population growth is represented by
1. dt/dn=rN
2. dN/rN= dt
3. rN/dN= dt
4. dN/dt = rN
The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:
1. ATP in small stepwise units
2. ATP in one large oxidation reaction
3. Sugars
4. Nucleic acids
As compared to a plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by plants ?
1. | Zero | 2. | Six |
3. | Two | 4. | Twelve |
Which one of the following is not a micronutrient?
1. Molybdenum
2. Magnesium
3. Zinc
4. Boron
In plants, water moves from
1. less negative to more negative potential
2. more negative to less negative potential
3. a point to another point with the same potential
4. none of the above
The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option, which gives correct identification and main function and/or characteristic.
1. A-trachea-long tube supported by complete cartilaginous rings for conducting inspired air
2. B-pleural membrane-surrounds ribs on both sides to provide cushion against rubbing
3. C-alveoli-thin walled vascular bag-like structures for exchange of gases
4. D-lower end of lungs-diaphragm pulls it down during inspiration
Match column I with column II and select the correct option using the codes given below
Column 1 | Column II |
1. Mons pubis | a. Embryo formation |
2. Antrum | b. Sperm |
3. Trophoectoderm | c. Female external genitalia |
4. Nebenkern | d. Graafian follicle |
Codes:
A B C D
1. c d b a
2. c d a b
3. c a d b
4. a d c b
Which one of the following hormones is not involved in sugar metabolism?
1. Cortisone
2. Aldosterone
3. Insulin
4. Glucagon
A biocontrol agent to be a part of an integrated pest management should be
1. species-specific and symbiotic
2. free living and broad spectrum
3. narrow spectrum and symbiotic
4. species-specific and inactive on non-target organisms
Match the following enzymes with their functions:
Column-I |
Column-II |
||
(a) |
Restriction endonuclease |
(i) |
joins the DNA fragments |
(b) |
Exonuclease |
(ii) |
extends primers on genomic DNA template |
(c) |
DNA ligase |
(iii) |
cuts DNA at specific position |
(d) |
Tag polymerase |
(iv) |
removes nucleotides from the ends of DNA |
Select the correct option from the following:
1. (a) - (iii), (b)- (i), (c)- (iv), (d)-(ii)
2. (a) - (iii), (b)- (iv), (c)- (i), (d)-(ii)
3. (a) - (iv), (b)- (iii), (c)- (i), (d)-(ii)
4. (a) - (ii), (b)- (iv), (c)- (i), (d)-(iii)
Exploration of molecular, genetic, and species level diversity for novel products of economic importance is known as:
1. Biopiracy
2. Bioenergetics
3. Bioremediation
4. Bioprospecting
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
1. Salmonella typhi/Widal test
2. Plasmodium vivax/UTI test
3. Streptococcus pneumoniae/Widal test
4. Salmonella typhi/Anthrone test
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
1. making tubes and pipes
2. making plastic sacks
3. use as a fertilizer
4. construction of roads
What triggers activation of protoxin to active Bt toxin of Bacillus thuringeinsis in boll worm?
1. Acidic pH of stomach
2. Body temperature
3. Moist surface of midgut
4. Alkaline pH of gut
Embryological support for evolution was proposed by
(1) Ernst Heckel
(2) Karl Ernst von Baer
(3) Charles Darwin
(4) Alfred Wallace
The best example for pleiotropy is:-
(1) Skin color
(2) Phenylketonuria
(3) Colour Blindness
(4) ABO Blood group
The size of Pleuropneumonia - like Organism (PPLO) is :
1. 0.02 m
2. 1-2 m
3. 10-20 m
4. 0.1 m