Which statement is correct?

A.  Somaclonal variations are the variations observed in plants generated from somatic cultures.

B.  A transgenic crop is one that contains and expresses a transgene.

C.  Chloromycetin is obtained from Penicillium.

D.  Bioprospecting is the process of discovery and commercialization of new products based on biological resources

(1) A, B, D

(2) B, C

(3) C, D

(4) A, B, C, D

Statement-I: Non-homologous DNA will attach to a DNA probe. 

Statement-II: At high temperature, two complementary DNA strands will anneal. 

(1) Only statement - I is true

(2) Only statement - II is true 

(3) Both statements - I and II are true

(4) Both statements - I and II are false

Match the following :-

1. I - B, II - A, III - D, IV - C

2. I - B, II - A, III - C, IV - D

3. I - B, II - C, III - A, IV - D

4. I - D, II - A, III - B, IV - C

Match the following :-

(1) I - B, II - A, III - D, IV - C

(2) I - B, II - A, III - C, IV - D

(3) I - B, II - C, III - A, IV - D

(4) I - D, II - A, III - B, IV - C

3. In a type of yeast fermentation , the entire medium with fermenting organism is removed from the bioreactor after reaching an alcohol level of 10-12%. This process is called
a. Continuous process
b. Batch process
c. Synchronous culture
d. Immobilized process

The immobilization of enzymes is achieved by
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these

A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
a. Trichoderma
b. Mucuna
c. Pseudomonas
d. Bacillus

Incorporation of the gene for phytoene synthase and carotene desaturase to make a particular variety of yellowish rice has proven useful in the treatment of-

Cry toxin acts by

Humulin production through microbial factories does not include the incorporation of the gene for

(1) A peptide

(2) B peptide

(3) C peptide

(4) Both (1) and (2)