AIPMT 2015 Biology Model Test Paper- 6 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 - 6

Q.1. At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation ?

A) 66° North and South
B) 22(1/2)° North and South
C) 40° North and South
D) 42(1/2)° North and South

Q.2. A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5sons). Three of the sons suffer from the given disease but none of the daughters are affected.Which of the following mode of inheritance do you suggest for this disease ?

A) Autosomal dominant
B) Sex-linked dominant
C) Sex-limited recessive
D) Sex-linked recessive

Q.3. In which of the following fruits is the edible part the aril ?

A) Custard apple
B) Pomegranate
C) Orange
D) Litchi

Q.4. Which one of the following aminoacids was not found to be synthesized in Miller's experiment ?

A) Glycine
B) Aspartic acid
C) Glutamic acid
D) Alanine

Q.5. Which one of the following statements about Mycoplasma is wrong?

A) They cause disease in plants
B) They are also called PPLO
C) They are pleomorphic
D) They are sensitive to penicillin

Q.6. In the prothallus of vascular cryptogam, the antherozoids and eggs mature at different times. As a result:

A) Self fertilization is prevented
B) There is no change in success rate of fertilization
C) There is high degree of sterility
D) One can conclude that the plant is apomictic

Q.7. Vacuole in a plant cell

A) Lacks membrane and contains water and excretory substances
B) Is membrane-bound and contains storage proteins and lipids
C) Is membrane-bound and contains water and excretory substances
D) Lacks membrane and contains air

Q.8. A competitive inhibitor of succinic dehydrogenase is

A) Malate
B) Malonate
C) Oxaloacetate
D) Alpha- ketoglutarate

Q.9. Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by:

A) The Montreal Protocol
B) The Koyoto Protocol
C) The Vienna Convention
D) Rio de Janeiro Conference

Q.10. What is true about Bt toxin ?

A) Bt protein exists as active toxin in the Bacillus.
B) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication.
C) The concerned Bacillus has antitoxins.
D) The inactive protoxin gets converted into active form in the insect gut.

Q.11. The common nitrogen-fixer in paddy fields is:

A) Rhizobium
B) Azospirillum
C) Oscillatoria
D) Frankia

Q.12. Which two of the following changes (a − d) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)?
1. Increase in red blood cell size
2. Increase in red blood cell production
3. Increased breathing rate
4. Increase in thrombocyte count Changes occurring are :

A) (b) and (c)
B) (c) and (d)
C) (a) and (d)
D) (a) and (b)

Q.13. A collection of plants and seeds having diverse alleles of all the genes of a crop is called

A) Genome
B) Herbarium
C) Germplasm
D) Gene library

Q.14. Which one of the following also acts as a catalyst in a bacterial cell?

A) 23 sr RNA
B) 5 sr RNA
C) sn RNA
D) hn RNA

Q.15. A patient brought to a hospital with myocardial infarction is normally immediately given

A) Statins
B) Penicillin
C) Chlorophyll synthesis
D) Cyclosporin–A

Q.16. What is the figure given below showing in particular ?

A) Vasectomy
B) Ovarian cancer
C) Uterine cancer
D) Tubectomy

Q.17. Age of a tree can be estimated by :

A) Its height and girth
B) Biomass
C) Number of annual rings
D) Diameter of its heartwood

Q.18. Seed coat is not thin membranous in :

A) Maize
B) Coconut
C) Groundnut
D) Gram

Q.19. In vitro clonal propagation in plants is characterized by

A) Electrophoresis and HPLC
B) Microscopy
C) PCR and RAPD
D) Northern blotting

Q.20. Deficiency symptoms of nitrogen and potassium are visible first in

A) Roots
B) Buds
C) Senescent leaves
D) Young leaves

---

Answer Key: 

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

---

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.

Recommended Posts:-

• All AIPMT Biology Model Practice Test Papers
• AIPMT 2015 Biology Model Test Paper -7
• AIPMT Previous Years Question Papers with Complete Solution and Answer Key