Question
Name the genes responsible for making Bt cotton plants resistant to bollworm attack. How do such plants attain resistance against bollworm attacks? Explain.
✓
Answer
Bt cotton has cry IAc/cry II Ab gene, produces crystals of protoxins. When bollworm bites the cotton fruits, it consumes the toxic insecticidal protein, In its gut it is activated by the alkaline pH- binds to mid gut epithelial cells, lysis, swelling-death of the insect.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Biodiversity plays a key role in many ecosystem services provided by nature.
(a) Present any two widely useful arguments to prove the validity of the statement.
(b) Write any one moral reason for protecting biodiversity.
(a) Present any two widely useful arguments to prove the validity of the statement.
(b) Write any one moral reason for protecting biodiversity.
What do you understand by sertoli cells? What is their functions?
Given below is the representation of amino acid composition of the relevant translated portion of b-chain of haemoglobin, related to the shape of human red blood cells.
Write any four differences between Interferons and Antibodies.
What does an interaction between pollen grains and its compatible stigma result in after pollination? List two steps in sequence that follow after the process.
Write the functions of: Coleoptile.
- Differentiate between unambiguous and degenerate codons.
- Write two functions of the codon AUG.
Describe any three steps taken up by our Governmentto check population growth rate.
What are biogeochemical cycles? Mention their two kinds, giving instances of each.
Distinguish between :
Production and decomposition
Production and decomposition