Which of the following equipments is essentially required for growing microbes on a large scale for industrial production of enzymes?

1. Bioreactor

2. BOD incubator

3. Sludge digester

4. Industrial oven

Select the incorrect statement

1. Inbreeding helps in accumulation of superior genes and elimination of undesirable genes

2. Inbreeding is essential homozygosity

3. Inbreeding is essential to evolve purelines in any animal

4. Inbreeding selects harmful recessive genes that reduce fertility and productivity

Which of the following immune responses is responsible for rejection of kidney graft?

1. Cell mediated immune response

2. Auto-immune response

3. Humoral immune response

4. Inflammatory immune response

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to newborn infants because it contains:

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

1.  Salmonella typhi/Widal test

2.  Plasmodium vivax/UTI test

3.  Streptococcus pneumoniae/Widal test

4.  Salmonella typhi/Anthrone test

Drug called 'Heroin' is synthesized by:

1.  nitration of morphine

2.  methylation of morphine

3.  acetylation of morphine

4.  glycosylation of morphine

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

Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement

1. The enzyme recognizes a specific palindromic nucleotide sequence in the DNA

2. The enzyme cuts DNA molecules at identified position within the DNA

3. The enzyme binds DNA at specific sites and cuts only one of the two strands

4. The enzyme cuts the sugar-phosphate backbone at specific sites on each strand

What triggers activation of protoxin to active Bt toxin of Bacillus thuringeinsis in boll worm?

1. Acidic pH of stomach

2. Body temperature 

3. Moist surface of midgut

4. Alkaline pH of gut

Which of the following is true for Golden rice?

1. It has yellow grains, because of gene introduced from a primitive variety of rice

2. It is Vitamin A enriched, with a gene from daffodil

3. It is pest resistant, with a gene from Bacillus thuringiensis

4. It is drought tolerant, developed using Agrobacterium vector