• CBSE/
• AIPMT 2014/
• AIPMT Solved Paper 2011/
• Biology

Biology 2011

  

Q. 46. Agarose extracted from sea weeds finds use in

1. Gel electrophoresis  
2. Spectrophotometry
3. Tissue culture   
4. PCR

Sol:

Agarose extracted from sea weeds finds use in gel electrophoresis.

Answer: (1)

 

Q. 47.   Maximum number of existing transgenic animals is of

1. Pig
2. Fish
3. Mice
4. Cow

Sol:

95% of the existing transgenic animals are mice.

Answer: (3)

 

Q. 48. Continuous addition of sugars in 'fed batch' fermentation is done to  

1. Degrade sewage
2. Produce methane
3. Obtain antibiotics  
4. Purify enzymes

Sol:

Continuous addition of sugar in fed 'batch' fermentation is done to purify enzymes.

Answer: (4)

 

Q. 49.   The process of RNA interference has been used in the development of plants resistant to

1. Insects
2. Nematodes
3. Fungi
4. Viruses

Sol:

RNAi i.e., RNA interference is used in the development of plants resistant to nematode like Meloidegyne incognita.

Answer: (2)

 

Q. 50.   "Jaya" and "Ratna" developed for green revolution in India are the varieties of

1. Bajra  
2. Maize
3. Rice
4. Wheat

Sol:

Jaya and Ratna are released throughout the rice growing belts of India.

Answer: (3)

 

Q. 51.   Which one of the following organisms is not an example of eukaryotic cells

1. Amoeba proteus  
2. Paramecium caudatum
3. Paramecium caudatum
4. Euglena viridis

Sol:

E. coli is a prokaryotic bacterium.

Answer: (3)