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NEET Biology question

BiologyBiotechnology and Its ApplicationsNEET

Consider the following statements regarding Bt toxin and select the correct ones. I. The Bt toxin gene has been cloned from bacteria into plants. II. Such plants are resistant to insect pests. III. The toxin is coded by a gene called cry. IV. There are a number of cry genes, each specific for a group of insects.

Answer: (D)

Solution

All four statements are accurate descriptions of Bt-toxin biology — the cry genes have indeed been cloned into crop plants (e.g.,

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Question ID VK-124580