genetic engineering and bio technology - Category wise Question and Answer Practice Test with Solutions

Question : 1 [UPPCS (Pre) 2012]

Who has proposed for the first time the double helix model of DNA?

a) Lamark and Darwin

b) Watson and Crick

c) Fisher and Haldoni

d) Hugo de Vries

Question : 2 [IAS (Pre) 2001]

The American multinational company, Monsanto, has produced an insect-resistant cotton variety that is undergoing field trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton?

a) Bacillus amyloliquifaciens

b) Bacillus subtilis

c) Bacillus thuringiensis

d) Bacillus globlii

Question : 3 [UPPCS (Pre) 2010]

The micro-organism which is associated with the production of Bt cotton is a

a) Blue-green algae

b) Fungus

c) Bacterium

d) Virus

Question : 4

Golden rice is a transgenic crop of the future with the following improved trait –

a) High protein content

b) High lysine (essential amino acid) content

c) Insect resistance

d) High vitamin-A content

Question : 5 [IAS (Pre) 2011]

A genetically engineered form of brinjal, known as the Bt brinjal has been developed. The objective of this is

a) To make it drought resistant

b) To make in pest-resistant

c) To improve its taste and nutritive qualities

d) To make it shell-life longer