An explant is a :

1. dead plant

2. part of the plant

3. part of the plant used in tissue culture

4. part of the plant that expresses a specific gene.

The biggest constraint of plant breeding is:

1. availability of desirable gene in the crop and its wild relatives

2. infrastructure

3. trained manpower

4. transfer of genes from unrelated sources.

Lysine and tryptophan are:

1. proteins

2. non-essential amino acids

3. essential amino acids

4. aromatic amino acids.

Micro-propagation is:

1. propagation of microbes in vitro

2. propagation of plants in vitro

3. propagation of cells in vitro

4. growing plants on a smaller scale

Protoplast is:

To isolate protoplast, one needs:

1. pectinase

2. cellulase

3. both pectinase and cellulase

4. chitinase.

Which one of the following is a marine fish?

Which one of the following products of apiculture is used in cosmetics and polishes?

More than 70 per cent of livestock population is found in:

The agriculture sector of India employs about:

1. 50 percent of the population

2. 70 percent of the population

3. 30 percent of the population

4. 60 percent of the population.