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
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