(1). Which one of the following is commonly used in transfer of foreign DNA into crop plants?

• (a). meloidogyne incognite
• (b). Agrobacterium tumefaciens
• (c). Penicillium expansum
• (d). Trichoderma harzianum
• (e). None of these

(2). What is true about Bt toxin?

• (a). Bt protein exists as active toxin in the Bacillus
• (b). The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication
• (c). The concerned Bacillus has antitoxins
• (d). The inactive protoxin gets converted into active form in the insect gut.
• (e). None of these

(3). Which one of the following pairs is wrongly matched?

• (a). Alcohol – nitrogenase
• (b). Fruit juice – Pectinase
• (c). Textile – amylase
• (d). Detergents – lipase
• (e). None of these

(4). Transgenic plants are the ones?

• (a). Generated by introducing foreign DNA into a cell and regenerating a plant from that cell
• (b). Produced after protoplast fusion in artificial medium
• (c). Grown in artificial medium after hybridization in the field
• (d). produced by a somatic embryo in artificial medium.
• (e). None of these

(5). The bacterium Bacillus thuringiensis is widely used in contemporary biology as?

• (a). insecticide
• (b). agent for production of dairy products
• (c). source of industrial enzyme
• (d). indicator of water pollution
• (e). None of these

(6). The genetically – modified (GM) brinjal in India has been developed for ?

• (a). insect – resistance
• (b). enhancing shelf life
• (c). enhancing mineral content
• (d). drought- resistance
• (e). None of these

(7). Genetic engineering has been successfully used for producing?

• (a). transgenic models for testing safety of polio vaccine before use in humans
• (b). transgenic models for studying new treatments of certain cardiac diseases
• (c). transgenic cow – Rosie which produces high fat milk for making ghee
• (d). animal like bulls for farm work as they have super power
• (e). None of these

(8). Some of the characteristics of Bt cotton are?

• (a). long fibre and resistance to aphids
• (b). medium yield, long fibre and resistance to beetle pests
• (c). high yield and production of toxic protein crystals which kill dipteran pests
• (d). high yield and resistance to bollworms
• (e). None of these

(9). An improved variety of transgenic basmati rice?

• (a). does not require chemical fertilizers and growth hormones
• (b). gives high yield and is rich in vitamin A
• (c). is completely resistant to all insect pests and diseases of paddy
• (d). gives high yield but has no characteristic aroma
• (e). None of these

(10). Which one of the following is now being commercially produced by biotechnological procedures?

• (a). Nicotine
• (b). Morphine
• (c). Quinine
• (d). Insulin
• (e). None of these