Biotechnology and Its Applications (Class XI)

It enhances the nutritional value of rice. Golden rice was invented to overcome the problem of deficiency of vitamin A, zinc and iron.

This is the correct answer as this bacterium is easily available and grows fast.

It is an immune linked enzyme and its deficiency causes immunity disorder. 

It was the first in-vitro buffalo produced by National Dairy Research Institute in 1990.

Correct Answer: Better nutritional quality

Pseudomonas putida is used for this purpose.

It is an immunity disorder which causes SCID [Severe Combined Immunodeficiency].

Hirudin is an anticlotting agent that prevents blood clots from traveling through the bloodstream.

The polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.

In 1997, Rosie, the first transgenic cow, was engineered to produce milk enriched with a human protein called alpha-lactalbumin, making it more nutritionally balanced than natural cow’s milk and suitable for babies and elderly people with special nutritional or digestive needs.

In 1997, America patented it.

It is a growth hormone which doubles the size of fish.

Its common name is mouse. Its genome matches with human genome by more than 99%.

Biopiracy is the exploitation of biological resources without proper authorisation.

Bacillus thuringiensis (Bt) is a spore forming bacterium that produces crystal proteins (Cry proteins), which are toxic to many species of insects.