Go through the statements:

A. During the processing of the prohormone "proinsulin" into the mature "insulin", C-peptide is removed from proinsulin.

B. In hydridoma technology, B-cells are fused with myeloma cells.

C. Genetic engineering has been successfully used for producing transgenic mice for testing safety of polio vaccine before use in humans.

D. Some of the characteristics of Bt cotton are high yield and resistance to bollworms.

E. An improved variety of transgenic basmati rice gives high yield and is rich in vitamin A.

F. Gray biotechnology' is referred to industrial process.

G. The polymerase chain reaction is a technique that is used for in vivo replication of DNA. 

How many statement(s) is wrong?

(1) One

(2) Two

(2) Four

(4) Six

Which of the following is / are product(s) of genetic engineering:

A. Humulin

B. Hepatitis B vaccine prepared by yeast

C. Golden rice

D. Bt cotton

(1) A, B

(2) B, C

(3) A, B, C

(4) A, B, C, D

Molecular probes used for identification of recombinant clone carrying the desired DNA insert can be:

A. Denatured double stranded DNA probes

B. doubles stranded RNA probes

C. Protein probes

D. Single stranded DNA probes.

(1) A, B

(2) B, C

(3) A, D

(4) A, B, C, D

Interferon is a glycoprotein which is: 

1. Antibacterial

2. Antifungal

3. Antiviral

4. All of these

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