AIPMT Biology Sample Papers for Examination 2015

You can download here Biology Solved Sample papers for examination to All India Pre-Medical Pre-Dental Entrance Test - 2015 for admission to MBBS and BDS programmes for the academic session 2015-16. The entrance examination will be held on May 3, 2015.

We have presented question papers in different set's. All these question will help you for a better exam preparation.

The test is of 3 hours duration and Test Booklet contains 180 questions. Each question carries 4 marks.  For each correct response, the candidate will get 4 marks. For each incorrect response, one mark will be  deducted from the total scores. The maximum marks are 720.

SET A

Q.1. The main organelle involved in modification and routing of newly synthesized proteins to their destinations is :

A) Mitochondria

B) Endoplasmic reticulum

C) Lysosome

D) Chloroplast

Q.2. Pineapple (annanas) fruit develops from :

A) A unilocular polycarpillary flower

B) A multipistillate syncarpous flower

C) A cluster of compactly borne flowers on a common axis

D) A multilocular monocarpillary flower

Q.3. Which one of the following is an example of negative feed back loop in humans?

A) Secretion of sweat glands and constriction of skin blood vessels when it is too hot.

B) Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold.

C) Secretion of tears after falling of sand particles in to the eye

D) Salivation of mouth at the sight of delicious food.

Q.4. In which one of the following male and female gametophytes do not have free living independent existence?

A) Cedrus

B) Pteris

C) Funaria

D) Polytrichum

Q.5. Polyethylene glycol method is used for:

A) Biodiesel production

B) Seedless fruit production

C) Energy production from sewage

D) Gene transfer without a vector

Q.6. An element playing important role in nitrogen fixation is :

A) Molybdenum

B) Copper

C) Manganese

D) Zinc

Q.7. Organisms called Methanogens are most abundant in a

A) Hot spring

B) Sulphur rock

C) Cattle yard

D) Polluted stream

Q.8. Which one of the following in not a property of cancerous cells whereas the remaining three are ?

A) They show contact inhibition

B) They compete with normal cells for vital nutrients

C) They do not remain confined in the area of formation

D) They divide in an uncontrolled manner

Q.9. Besides paddy fields, cyanobacteria are also found inside vegetative part of :

A) Pinus

B) Cycus

C) Equisetum

D) Psilotum

Q.10. Planaria possess high capacity of

A) Alternation of generation

B) Bioluminescence

C) Metamorphosis

D) Regeneration

Q.11. There are two opposing views about origin of Modern man. According to one view Homoerectus in Asia were the ancestors of modern man. A study of variations of DNA however suggested African origin of Modem man. What kind of observation on DNA variation could suggest this ?

A) Greater variation in Africa than in Asia

B) Variation only in Asia and no variation in Africa

C) Greater variation in Asia than in Africa

D) Similar variation in Africa and Asia

Q.12. Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

A) Alleviation of vitamin-A deficiency

B) Pest resistance

C) Herbicide tolerance

D) Producing a petrol-like fuel from rice

Q.13. What is common to whale, seal and shark?

A) Homoiothermy

B) Seasonal migration

C) Thick subcutaneous fat

D) Convergent evolution

Q.14. Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

A) Cockroach, Locust, Taenia - Metameric segmentation

B) Liver fluke, Sea anemone, Sea cucumber - Bilateral symmetry

C) Centipede, Prawn, Sea urchin - Jointed appendages

D) Scorpion, Spider, Cockroach - Ventral solid central nervous system

Q.15. Manganese is required in:

A) Plant cell wall formation

B) Photolysis of water during photosynthesis

C) Chlorophyll synthesis

D) Nucleic acid synthesis

Q.16. Select the correct statement from the ones given below:

A) Barbiturates when given to criminals make them tell the truth

B) Morphine is often given to persons who have undergone surgery as a pain killer.

C) Chewing tobacco lowers blood pressure and heart rate

D) Cocaine is given to patients after surgery as it stimulates recovery

Q.17. Which one of the following have the highest number of species in nature?

A) Angiosperms

B) Fungi

C) Insects

D) Birds

Q.18. How many plants in the list given below have composite fruits that develop from an inflorescence ?

Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry.

A) Three

B) Four

C) Five

D) Two

Q.19. Megasporangium is equivalent to :

A) Embryo sac

B) Fruit

C) Nucellus

D) Ovule

Q.20. An example of ex situ conservation is

A) Wildlife Sanctuary

B) Sacred Grove

C) National Park

D) Seed Bank

SET B

Q.1. The world's highly prized wool yielding 'Pashmina' breed is :

A) Sheep

B) Goat

C) Goat-sheep cross

D) Kashmir sheep-Afghan sheep cross

Q.2. Parthenocarpic tomato fruits can be produced by :

A) Removing androecium of flowers before pollen grains are released

B) Treating the plants with low concentrations of gibberellic acid and auxins

C) Raising the plants from vernalized seeds

D) Treating the plants with phenylmercuric acetate

Q.3. Which one of the following is not a constituent of cell membrane?

A) Phospholipids

B) Cholesterol

C) Glycolipids

D) Proline

Q.4. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:

A) Calcium and phosphorous

B) Phosphorus and sulphur

C) Sulphur and magnesium

D) Magnesium and sodium

Q.5. Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it ?

A) Biceps of upper arm- Smooth muscle fibres

B) Abdominal wall - Smooth muscle

C) Iris - Involuntary smooth muscle

D) Heart wall - Involuntary unstriated muscle

Q.6. Listed below are four respiratory capacities (a − d) and four jumbled respiratory volumes of a normal human adult: Respiratory Respiratory capacities volumes.

1. Residual volume 2500 mL

2. Vital capacity 3500 mL

3. Inspiratory reserve volume 1200 mL

4. Inspiratory capacity 4500 mL

Which one of the following is the correct matching of two capacities and volumes?

A) (b) 2500 mL, (c) 4500 mL

B) (c) 1200 mL, (d) 2500 mL

C) (d) 3500 mL, (a) 1200 mL

D) (a) 4500 mL, (b) 3500 mL

Q.7. Archegoniophore is present in

A) Funaria

B) Marchantia

C) Chara

D) Adiantum

Q.8. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

A) Cellulose

B) Cuticle

C) Sporopollenin

D) Lignin

Q.9. Select the wrong statement :

A) Isogametes are similar in structure, function and behavior

B) Anisogametes differ either in structure, function of behaviour

C) In Oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile

D) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy

Q.10. To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

A) Both apical and axillary meristems

B) Epidermis only

C) Apical meristem only

D) Palisade parenchyma

Q.11. Grey crescent is the area :

A) At the point of entry of sperm into ovum

B) Just opposite to the site of entry of sperm into ovum

C) At the animal pole

D) At the vegetal pole

Q.12. How does pruning help in making the hedge dense ?

A) It induces the differentiation of new shoots from the rootstock

B) It frees axillary buds from apical dominance

C) The apical shoot grows faster after pruning

D) It releases wound hormones

Q.13. Select one of the following of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms?

A) Embryo development and apical meristem

B) Absence of resin duct and leaf venation

C) Presence of vessel elements and absence of archegonia

D) Perianth and two integuments

Q.14. Thermococcus, Methanococcus and Methanobacterium exemplify

A) Bacteria that contain a cytoskeleton and ribosomes

B) Archaebacteria that contain protein homologous to eukaryotic core histones

C) Archaebacteria that lack any histones resembling those found in eukaryoties but whose DNA is negatively supercoiled

D) Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

Q.15. The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is:

A) Glandular

B) Ciliated

C) Squamous

D) Cuboidal

Q.16. Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:

A) Xenogamy

B) Geitonogamy

C) Karyogamy

D) Autogamy

Q.17. Compared with the gametophytes of the bryophytes the gametophytes of vascular plants tend to be

A) Smaller and to have smaller sex organs

B) Smaller but to have larger sex organs

C) Larger but to have smaller sex organs

D) Larger and to haver larger sex organs

Q.18. Removal of introns and joining of exons in a defined order during transcription in called

A) Splicing

B) Looping

C) Inducing

D) Slicing

Q.19. Which one of the following is not a correct statement ?

A) Herbarium houses dried, pressed and preserved plant specimens

B) Botanical gardens have collection of living plants for reference

C) A museum has collection of photographs of plants and animals

D) Key is a taxonomic aid for identification of specimens

Q.20. The motile bacteria are able to move by

A) Cilia

B) Pili

C) Fimbriae

D) Flagella