Tag: genetic technology

Questions Related to genetic technology

Match List-I with List-II and select the correct answer.

List-I List-II
a. Ficus benghalensis $1$. Fibre
b. Melia azadirachta $2$. Pesticide
c. Cocos nucifera $3$. Latex
d. Hevea brasiliensis
  1. A-$1$, B-$2$, C-$3$, D-$1$

  2. A-$1$, B-$1$, C-$2$, D-$3$

  3. A-$3$, B-$3$, C-$1$, D-$2$

  4. A-$3$, B-$2$, C-$1$, D-$3$


Correct Option: A

Yeast cells can be immobilised in

  1. Silica gel

  2. Calcium alginate

  3. Porcelain column

  4. Both A and B


Correct Option: B

The top five crops, as on date, in terms of annual world production in millions of metric tons belong to the families ________________.

  1. Gramineae and Solanaceae

  2. Gramineae and Cruciferae

  3. Gramineae and Leguminasae

  4. Leguminosae and Malvaceae


Correct Option: A

Which of the following is a method of covalent bonding used during immobilisation?

  1. Diazotation

  2. Phosphorylation

  3. Dehydrogenation

  4. None of the above


Correct Option: A
Explanation:
Covalent bonding is one of the commonly used methods of enzyme immobilization which engages the formation of covalent bonds between the enzymes & the support. Diazotation is a method of convalent bonding which displays the bonding between the amino group of support & tyrosyl or histidyl group of enzyme. 
So, the correct answer is 'Diazotation'