Which one of the following pairs is mismatched?

• Pila globosa - pearl

• Apis indica - honey

• kenia lacca - lac

• kenia lacca - lac

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

• alleviation of vitamin A deficiency

• pest resistance

• herbicide tolerance

• herbicide tolerance

In maize, hybrid vigour is exploited by

• bombarding the protoplast with DNA

• crossing of two inbreed parental lines

• harvesting seeds from the most productive plants

• harvesting seeds from the most productive plants

In order to obtain virus-free plants through tissue culture the best method is

• protoplast culture

• embryo rescue

• anther culture

• anther culture

The process of separation and purification of expressed protein before marketing is called

• Upstream processing

• Downstream processing

• Bioprocessing

• Bioprocessing

Homozygous purelines in cattle can be obtained by

• mating of related individuals of same breed

• mating of unrelated individuals of same breed

• mating of individuals of different breed

• mating of individuals of different breed

Artificial selection to obtain cows yielding higher milk output represents

• Stabilizing selection as it stabilizes this character in the population

• Directional as it pushes the mean of the character in one direction

• Disruptive as it splits the population into two one yielding higher output and the other lower output

• Disruptive as it splits the population into two one yielding higher output and the other lower output

Conversion of milk to curd improves its nutritional value by increasing the amount of

• Vitamin D

• Vitamin A

• Vitamin E

• Vitamin B₁₂

The two functional groups characteristic of sugars are

• Hydroxyl and methyl

• Carbonyl and methyl

• Carbonyl and hydroxyl

• Carbonyl and phosphate

A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to

• Co-667

• Sharbati Sonora

• Basmati

• Lerma Rojo