Free Biotechnology And Its Applications (Daily Quiz: 5) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Main objective of production/use of herbicide resistant GM crops is to

(a) eliminate weeds from the field without the use of herbicides

(b) eliminate weeds from the field without the use of manual labour

(c) encourage eco-friendly herbicides

(d) reduce herbicide accumulation in food articles for health safety

Question-2

Second generation vaccines are prepared by recombinant DNA technology. Which of the following is/are examples of such vaccines?

(a) Hepatitis-B virus vaccine

(b) Herpes virus vaccine

(c) Solk's polio vaccine

(d) Both (a) and (b)

Question-3

The use of bioresources by multinational companies and other organizations without proper authorisation from the countries and people concerned without compensatory payment is called

(a) biopiracy

(b) bioethics

(c) bioterror

(d) bioweapon

Question-4

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein

(a) is activated by acid pH of the foregut of the insect pest

(b) is coded by several genes including the gene cry

(c) binds with epithelial cells of midgut of the insect pest ultimately killing it

(d) does not kill the carrier bacterium which is itself resistant to this toxin

Question-5

An improved variety of transgenic basmati rice

(a) is completely resistant to all insect pests and diseases of paddy

(b) gives high yield and is rich in vitamin A

(c) does not require chemical fertilizers and growth hormones

(d) gives high yield but has no characteristic aroma