Under which of the following conditions will there be no change in the reading frame of the following mRNA?

5'AACAGCGGUGCUAUU 3'

1. Deletion of GGU from 7th, 8th and 9th positions

2. Insertion of G at 5th position

3. Deletion of G from 5th position

4. Insertion of A and G at 4th and 5th positions respectively

Expressed Sequence Tags (ESTs) refers to:

1.  Novel DNA sequence

2.  Genes expressed as RNA

3.  Polypeptide expression

4.  DNA polymorphism

Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?

Variations  caused by mutation, as proposed by Hugo de Vries, are:

1. small and directionless

2. random and directional

3. random and directionless

4. small and directional

In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 kg to 5 kg die. Which type of selection process is taking place?

1. Cyclical selection

2. Directional selection

3. Stabilizing selection

4. Disruptive selection

Match the hominids with their correct brain size:

Select the correct option.

Which of the following can be used as a biocontrol agent in the treatment of plant disease?

1. Lactobacillus

2. Trichoderma

3. Chlorella

4. Anabaena

Select the correct group of biocontrol agents:

Which of the following is a commercial blood cholesterol lowering agent?

1.  Lipase

2.  Cyclosporin A

3.  Statin

4.  Streptokinase

Select the correct option
       (a)      (b)    (c)     (d)
1.    (ii)       (i)     (iii)    (v)
2.     (ii)      (iv)    (v)    (iii)
3.     (ii)     (iv)     (iii)    (v)
4.    (iii)       (iv)    (v)     (i)