Reference no: EM132601162
Question 1: Consider the following statements about Bt.
I. The bacteria Bacillus thuringiensis (Bt) are used to control butterfly catterpillars.
II. Fresh spores of Bt are mixed with water and sprayed on seeds such as brassicas and fruit trees.
III. Insect larvae, after eating these are killed by the toxin released in their gut.
IV. Bt toxin genes have been introduced into plants to provide resistance to pests.
Which of the statements given above are correct?
(a) I, II and III (b) I, III and IV (c) II, III and IV , (d) I, II, III and IV
Question 2: While planning for an artificial hybridisation programme involving dioecious plants, which of fb following steps would not be relevant? (a) Bagging of female flower (b) Dusting of pollen on stigma (c) Emasculation (d) Collection of pollen