IMAT Biology MCQs Practice Test Questions Past Papers, topics, syllabus, notes in pdf. IMAT Biology questions answers practice tests in pdf.
1. Which organelle contains RNA but not DNA?
A. nucleolus
B. mitochondrion
C. chloroplast
D. smooth endoplasmic reticulum
E. ribosome
2. Which of the following can be random processes?
1 genetic drift
2 mutations
3 artificial selection
A. 2 and 3 only
B. 1, 2 and 3
C. 1 and 2 only
D. none of them
E. 1 and 3 only
3.Which sequence shows cells of increasing size (from left to right)?
A. coli → human red blood cell → onion epidermal cell
B. human red blood cell → E.coli → onion epidermal cell
C. coli → onion epidermal cell → human red blood cell
D. onion epidermal cell → human red blood cell → E. coli
E. onion epidermal cell → E. coli → human red blood cell
4.Which option shows the structure in humans that produces bile and then the structure that
stores bile?
A. gall bladder produces and then liver stores
B. liver produces and then liver stores
C. gall bladder produces and then gall bladder stores
D. liver produces and then gall bladder stores
E. liver produces and then duodenum stores
5.Which of the following are respiratory enzymes?
1 acetyl coenzyme A
2 FAD
3 reduced NAD
A. 1 and 2 only
B. 2 and 3 only
C. 1, 2 and 3
D. none of them
E. 1 and 3 only
6.An experiment is set up to study two genes. The two genes assort independently and for each
gene the expression of alleles involves complete dominance. In the genetic cross RrTt x RrTt, a
number of different phenotypes are seen. What is the difference between this number of
phenotypes and the number of phenotypes seen when the cross RrTt x rrtt is carried out?
A. 4
B. 8
C. 2
D. 1
E. 0
7.Which option correctly identifies the site of the lightdependent reactions in photosynthesis (S),
the hydrogen carrier (H) used and its end state (N)?
A. S: stroma; H: NAD; N: reduced
B. S: granum; H: NAD; N: reduced
C. S: granum; H: NADP; N: reduced
D. S: stroma; H: NADP; N: oxidised
E. S: stroma; H: FAD; N: oxidised
8.In which of the following organelles do carbohydrates play a relevant role?
1 mitochondria
2 Golgi apparatus
3 chloroplasts
A. 1 and 3 only
B. 2 only
C. 1 and 2 only
D. 2 and 3 only
E. 1, 2 and 3
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