Tuesday, 27 January 2015

AIPMT Biology Sample Papers 2015

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AIPMT Biology Sample Papers 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.


Q.1. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :

A) Four carbon acids are the primary initial CO2 fixation productsB) The primary fixation of CO2 is mediated via PEP carboxylase

C) Effective pumping of CO2 into bundle sheath cells

D) RUBISCO in C4 plants has higher affinity for CO2

Q.2. What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8chromosomes in its synergids ?

A) 16B) 24

C) 32

D) 8

Q.3. Biological organisation starts with:

A) Atomic levelB) Submicroscopic molecular level

C) Cellular level

D) Organismic level

Q.4. Which one of the following is heterosporous?

A) EquisetumB) Dryopteris

C) Salvinia

D) Adiantum

Q.5. Study the pedigree chart given below:

What does it show ?

A) Inheritance of a condition like phenylketonuria as an autosomal recessive traitB) The pedigree chart is wrong as this is not possible

C) Inheritance of a recessive sex-linked disease like haemophilia

D) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Q.6. ABO blood groups in humans are controlled by the gene I. It has three alleles − I^A, I^B and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

A) ThreeB) One

C) Four

D) Two

Q.7. The "Eyes" of the potato tuber are

A) Axillary budsB) Root buds

C) Flower buds

D) Shoot buds

Q.8. Common cold differs from pneumonia in, that

A) Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungsB) Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease

C) Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine

D) Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae

Q.9. Isogamous condition with non-flagellated gametes is found in:

A) ChlamydomonasB) Spirogyra

C) Volvox

D) Fucus

Q.10. A marine cartilaginous fish that can produce electric current is

A) TrygonB) Scoltodon

C) Pristis

D) Torpedo

Q.11. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell ?

A) During entire prophaseB) During telophase

C) During S-phase

D) During G2 stage of prophase

Q.12. The floral formula
K5 C5 A5 G(2)
is that of:

A) SoybeanB) Sunnhemp

C) Tobacco

D) Tulip

Q.13. Select the wrong statement from the following:

A) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membraneB) The chloroplasts are generally much larger than mitochondria.

C) Both chloroplasts and mitochondria contain DNA.

D) Both chloroplasts and mitochondria contain and inner and an outer membrane

Q.14. Which one of the following phyla is correctly matched with its two general characteristics?

A) Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheaeB) Mollusca - Normally oviparous and development through a trochophore or veligerlarva

C) Chordata - Notochord at some stage and separate anal and urinary openings to the outside

D) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization

Q.15. The 'blue baby' syndrome results from :

A) Excess fo chlorideB) Methaemoglobin

C) Excess of dissolved oxygen

D) Excess of TDS (Total Dissolved Solids)

Q.16. Low Ca++ in the body fluid may be the cause of:

A) TetanyB) Anaemia

C) Angina pectoris

D) Gout

Q.17. The gametophyte is not an independent, free-living generation in

A) PinusB) Polytrichum

C) Adiantum

D) Marchantia

Q.18. Both, autogamy and geitonogamy are prevented in

A) MaizeB) Papaya

C) Cucumber

D) Castor

Q.19. Read the following statements (A– E) and answer the question which follows them :

(A) In liverworts, mosses and ferns gametophytes are free-living

(B) Gymnosperms and some ferns are heterosporous

(C) Sexual reproduction in Fucus, Volvox and Albugo is oogameous

(D) The sporophytes in liverworts is more elaborate than that in mosses

(E) Both, Pinus and Marchentia are dioecious

How many of the above statements are correct ?

A) OneB) Two

C) Three

D) Four

Q.20. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

A) Secondary phloemB) Secondary xylem

C) Cortical cells

D) Protoxylem


Q.1. There exists a close association between the alga and the fungus within a lichen.The fungus :

A) Releases oxygen for the alga

B) Provides food for the alga

C) Provides protection, anchorage and absorption for the alga

D) Fixes the atmospheric nitrogen for the alga

Q.2. For retting of jute the fermenting microbe used is :

A) Helicobactor pylori

B) Methophilic bacteria

C) Streptococcus lactin

D) Butyric acid bacteria

Q.3. Praying mentis is a good example of :

A) Mullerian mimicry

B) Warning colouration

C) Social insects

D) Camouflage

Q.4. Which one of the following statements is correct ?

A) Neurons regulate endocrine activity, but not vice versa

B) Endocrine glands regulate neural activity and nervous system regulates endocrine glands

C) Neither hormones control neural activity nor the neurons control endocrine activity

D) Endocrine glands regulate neural activity, but not vice versa

Q.5. The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:

A) ATP is small stepwise units

B) ATP in one large oxidation reaction

C) Sugars

D) Nucleic acids

Q.6. If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur:

A) A skewed curve

B) A normal distribution

C) A bi-modal distribution

D) A T -shaped curve

Q.7. Which one of the following in birds, indicates their reptilian ancestry?

A) Eggs with a calcareous shell

B) Two special chambers crop and gizzard in their digestive tract

C) Four-chambered heart

D) Scales on their hind limbs

Q.8. Ascaris is characterized by

A) Presence of true coclom and metamerism (metamerisation)

B) Absence of true coclom but presence of metamerism

C) Presence of neither true coclom nor metamerism

D) Presence of true coclom but absence of metamerism

Q.9. Which one of the following groups of animals is bilaterally symmetrical and triploblastic ?

A) Aschelminthes (round worms)

B) Ctenophores

C) Sponges

D) Coelenterates (Cnidarians)

Q.10. Which one of the following is commonly used in transfer of foreign DNA into crop plants ?

A) Meloidogyne incognita

B) Agrobacterium tumefaciens

C) Penicillium expansum

D) Trichoderma harzianum

Q.11. The nerve centres which control the body temperature and the urge for eating recontained in:

A) Pons

B) Cerebellum

C) Thalamus

D) Hypothalamus

Q.12. During mitosis ER and nucleolus begin to disappear at:

A) Late prophase

B) Early metaphase

C) Late metaphase

D) Early prophase

Q.13. Important site for formation of glycoproteins and glycolipids is

A) Lysosome

B) Vacuole

C) Golgi apparatus

D) Plastid

Q.14. Peptide synthesis inside a cell takes place in

A) Chloroplast

B) Mitochondria

C) Chromoplast

D) Ribosomes

Q.15. Which part of the human ear plays no role in hearing as such but is otherwise very much required ?

A) Ear ossicles

B) Eustachian tube

C) Organ of Corti

D) Vestibular apparatus

Q.16. Water containing cavities in vascular bundles are found in

A) Pinus

B) Sunflower

C) Maize

D) Cycas

Q.17. Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion, aloe and tulip how many plants have hypogynous flower ?

A) Six

B) Ten

C) Fifteen

D) Eighteen

Q.18. Interfascicular cambium develops from the cells of :

A) Medullary rays

B) Xylem parenchyma

C) Endodermis

D) Pericycle

Q.19. Fructose is absorbed into the blood through mucosa cells of intestine by the process called

A) Simple diffusion

B) Co-transport mechanism

C) Facilitated transport

D) Active transport

Q.20. Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

A) Increase in aldosterone levels

B) Increase in antidiuretic hormone levels

C) Decrease in aldosterone levels

D) Decrease in antidiuretic hormone levels

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