Free Biotechnology And Its Applications (Daily Quiz: 13) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Some of the characteristics of Bt cotton are:

(a) medium yield, long fibre and resistance to beetle pests

(b) long fibre and resistance to aphids

(c) high yield and production of toxic protein crystals which kill dipteran pests

(d) High yield and resistance to silkworms

Question-2

In some children, ADA deficiency can be cured by

(a) enzyme replacement therapy

(b) bone marrow transplantation

(c) both (a) and (b)

(d) none of the above

Question-3

Which one of the following is a correct statement?

(a) Somatic hybridization involves fusion of two complete plant cells carrying desired genes

(b) "Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology

(c) The anticoagulant hirudin is being produced from transgenic Brassica napus seeds

(d) "Flavr Savr" variety of tomato has enhanced the production of ethylene which improves its taste

Question-4

Which of the following nematodes infects the root of the tobacco plants which reduces the production of tobacco?

(a) Ascaris

(b) Wuchereria

(c) Meloidegyne incognita

(d) Enterobius

Question-5

Production of a human protein in bacteria by genetic engineering is possible because

(a) the mechanism of gene regulation is identical in humans and bacteria

(b) the human chromosome can replicate in bacterial cell

(c) bacterial cell can carry out the RNA splicing reactions

(d) the genetic code is universal.