Biotechnology and Its Applications questions
463 published questions with worked solutions.
- When scientists make an animal superior in terms of genotype by introducing some foreign genes in it, it is called:
- Maximum application of animal cell culture technology today is in the production of:
- Bacillus thuringiensis (Bt) strains have been used for designing novel
- The crystal (Cry) toxin protein produced by Bacillus thuringiensis exists, within the bacterium, in a biologically
- Bt cotton plants are genetically engineered to resist bollworm attack by incorporating the
- Read the statement with two blanks: 'The toxin protein produced by ...A... exists in an inactive form, which is converted to an...
- Which of the following is NOT true regarding Bacillus thuringiensis (Bt)?
- A farmer wants to reduce chemical pesticide use on a cotton crop infested with bollworms, while also improving the soil's...
- Which of the following correctly describes the main reason Bt cotton is considered an effective pest-management strategy?
- Which of the following best explains the specific mechanism by which Bt toxin kills susceptible insect larvae after ingestion?
- Which of the following is an example of a bacterium used in genetic engineering to help plants resist insect pests, rather than...
- Read the following statement having two blanks (A and B) A drug used for ...A... patients is obtained from a species of the...
- Bt toxin protein exists in an inactive form in the bacterium but is converted to an active form in the
- Consider the following statements regarding Bt toxin and select the correct ones. I. The Bt toxin gene has been cloned from...
- Bt cotton is resistant to attack by
- The Cry proteins produced by Bacillus thuringiensis act by
- Which crop was genetically engineered using the cry gene for insect resistance?
- Assertion (A): Bt cotton plants are resistant to bollworm attack. Reason (R): The cry gene cloned into cotton produces a toxin...
- Bt toxin genes have been isolated from Bacillus thuringiensis and incorporated into plants to protect them from
- Streptokinase, produced by the bacterium Streptococcus and modified by genetic engineering, is used clinically as a
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