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Biotechnology MCQ- SET Biotech Questions 21-30

21. Maximum number of voltage gated calcium channels can be found at:

A) postsynaptic membrane of an electrical synapse

B) presynaptic membrane of an electrical synapse

C) postsynaptic membrane of a chemical synapse

D) presynaptic membrane of a chemical synapse

22. ‘HeLa’ is a well-known-----used in research labs.

A) High Efficiency Low particle filter

B) First continuous fed fermenter

C) Thermopolymerase

D) Cell line

23. Find the weakest interaction among the following:

A) Covalent bonding 

B) Hydrogen bonding

C) Electrostatic attractions 

D) Van der Waals attractions

24. The proteins which help in the process of fusion of the transport vesicle to target

membrane and cargo delivery is:

A) Agglutinin B) CRP C) SNARE D) HRP


25. Triglycerides serve as major energy reservoir because they are-----.

A) Oxidized and anhydrous 

B) Reduced and hydrated

C) Reduced and anhydrous 

D) Oxidized and hydrated

26. When the outermost high energy phosphate bond in ATP is hydrolysed under standard conditions, the energy released is equal to-----.

A) 7.3 kcal/mole B) 21.9 kcal/mole   C) 7.3 J/mole D) 21.9 J/mole

27. Match Group I with Group II

 Group I                                                 Group II

a. Bt gene                                       1. Golden rice

b. ߚ- carotene biosynthetic genes 2. Insect resistance

c. ACC deaminase                        3. Herbicide resistance

d. EPSP synthase                          4. Fruit ripening

A) a-1, b-2, c-3, d-4 

B) a-2, b-1, c-4, d-3

C) a-3, b-1, c-2, d-4 

D) a-2, b-1, c-3, d-4

28. Choose the statements about glycolysis:

1. Total of 4 ATP produced per one fructose 1,6-diphosphate

2. Total of 2 ATP produced per one fructose 1,6-diphosphate

3. The phosphorylation step of glucose is reversible in liver cells

4. In liver the phosphorylation of glucose is promoted by Glucokinase

A) Only 1 is correct 

B) Only 2 and 4 are correct

C) Only 2, 3 and 4 are correct 

D) Only1, 3 and 4 are correct

29. Which of the following statements are correct?

1. Each myofibril is composed of myosin and actin filaments at a ratio of 1:2

2. The light bands in the myofibrils contain only actin filaments and thus called A bands

3. The ends of the myosin filaments are attached to a Z disk

4. The part of the myofibril that comes between two successive Z disks is call a Sarcomere

A) 1, 2 and 3 only are correct 

B) 1 and 4 only are correct

C) Only 1 and 2 are correct 

D) Only 4 is correct

30. Determine the correctness or otherwise of the following Assertion (a) and Reason (r).

Assertion (A): Glycine is the highly conserved amino acid residue in the evolution of proteins

Reason (R) : Glycine has the smallest side chain of any amino acids

A) Both A and R are correct and R is the correct reason for A

B) A and R are correct but R is not the correct reason for A

C) A and R are false

D) A is false but R is true

Learn more:

21. D) presynaptic membrane of a chemical synapse

22. D) Cell line

23. D) Van der Waals attractions

24. C) SNARE

25. C) Reduced and anhydrous 

26. A) 7.3 kcal/mole

27. B) a-2, b-1, c-4, d-3

28. D) Only1, 3 and 4 are correct

29. B) 1 and 4 only are correct

30. A) Both A and R are correct and R is the correct reason for A

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