AIPMT 2015 Biology Model Test Paper- 15 Practice MCQs Multiple Choice Questions Fully Solved with Answer Key Free

AIPMT All India Pre Medical Test is conducted by CBSE in compliance with the directives of the Hon'ble Supreme Court of India for admissions to 15% seats of Medical/ Dental colleges of India. Some other State Govt university or  institutions also use AIPMT merit list for admission in the Medical Colleges/Dental Colleges against seats under their control. Here we have published model test paper for Biology for practice purpose with objective type MCQs multiple choice questions based on AIPMT previous years question papers.

AIPMT 2015 Biology Model Test Paper - 15

Q.1. E. coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because :

A) In the presence of glucose, E. coli cells do not utilize lactose
B) They cannot transport lactose from the medium into the cell
C) The lac operon is constitutively active in these cells
D) They cannot synthesize functional β-galactosidase

Q.2. Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characteristic features of :

A) Polypetalous angiosperms
B) Gamopetalous angiosperms
C) Conifers
D) Cycads

Q.3. What type of placentation is seen in sweet pea ?

A) Basal
B) Axile
C) Free central
D) Marginal

Q.4. Long filamentous threads protruding at the end of a young cob of maize are :

A) Anthers
B) Styles
C) Ovaries
D) Hairs

Q.5. Which of the following pairs are correctly matched?
a. Crocodile- 4-Chambered heart
b. Sea Urchin- Parapodia
c. Obelia– Metagenesis
d. Lemur– Thecodont

A) Only A and B
B) A, C and D
C) B, C and D
D) Only A and D

Q.6. Select the correct statement from the following:

A) Mutations are random and directional
B) Darwinian variations are small and directionless
C) Fitness is the end result of the ability to adapt and gets selected by nature
D) All mammals except whales and camels have seven cervical vertebrate.

Q.7. The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

A) Cucumber
B) Pomegranate
C) Orange
D) Guava

Q.8. The C4 plants are phoptosynthetically more efficient than C3 plants because

A) They have more chloroplasts
B) The CO2 compensation point is more
C) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase
D) The CO2 efflux is not prevented

Q.9. Which of the following plant species you would select for the production of bioethanol ?

A) Zea mays
B) Pongamia
C) Jatropha
D) Brassica

Q.10. When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from:

A) Rickets
B) Kwashiorkor
C) Pellagra
D) Marasmus

Q.11. The kind of epithelium which forms the inner walls of blood vessels is :

A) cuboidal epithelium
B) columnar epithelium
C) ciliated columnar epithelium
D) squamous epithelium

Q.12. Which one of the following has its own DNA?

A) Mitochondria
B) Dictyosome
C) Lysosome
D) Peroxisome

Q.13. Filiform apparatus is a characteristic feature of

A) Zygote
B) Suspensor
C) Egg
D) Synergid

Q.14. What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?

A) 21
B) 42
C) 63
D) 84

Q.15. Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses ?

A) Multiplication by fragmentation
B) Diplontic life cycle
C) Members of kingdom Plantae
D) Mode of Nutrition

Q.16. In which one of the following options the two examples are correctly matched with their particular type of immunity ?
Examples Type of immunity

A) Mucus coating of epithelium lining the urinogenital tract and the HCl in stomach - Physiological barriers
B) Polymorpho-nuclear leukocytes and monocytes - Cellular barriers
C) Anti-tetanus and anti-snake bite injections - Active immunity
D) Saliva in mouth and Tears in eyes - Physical barriers

Q.17. Perisperm differs from endosperm in :

A) Being a haploid tissue
B) Having no reserve food
C) Being a diploid tissue
D) Its formation by fusion of secondary nucleus with several sperms

Q.18. Which of the following statements is not true of two genes that show 50% recombination frequency ?

A) The genes may be on different chromosomes
B) The genes are tightly linked
C) The genes show independent assortment
D) If the genes are present on the same chromosome, they undergo more than one crossovers in every meiosis.

Q.19. During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

A) Only G2
B) G2 and M
C) G0 and G1
D) G1 and S

Q.20. Non-albuminous seed is produced in

A) Wheat
B) Pea
C) Maize
D) Castor

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Answer Key: 

Q.1-	D	Q.2-	D	Q.3-	D	Q.4-	B	Q.5-	B
Q.6-	C	Q.7-	B	Q.8-	A	Q.9-	C	Q.10-	B
Q.11-	D	Q.12-	A	Q.13-	D	Q.14-	C	Q.15-	A
Q.16-	B	Q.17-	C	Q.18-	B	Q.19-	A	Q.20-	B

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We have tried our best to present important questions with correct answer key. Any suggestion or update about any erroneous entry or answer is always appreciable. Please comment your score or any suggestion in comment section below.

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