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Q:

Biological control is to check growth of 

A) plants B) animals
C) weeds D) one pest by another

Answer:   D) one pest by another

Explanation:

Biological Control: This method is very effective. One pest is destroyed by another organism. For example the aphids are killed by lady beetle. The prickly pear is eradicted by cochineal insect. Here the advantage is, one does not use harmful chemicals which may get into the host plants.

Subject: Biology
Q:

Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in

A) Recombinant DNA technology B) Monoclonal antibody production
C) Stemcell culture D) DNA fingerprinting
 
Answer & Explanation Answer: D) DNA fingerprinting

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE

1 19
Q:

Which type of Stem modification is seen in banana ?

A) Rhizome B) Stem tuber
C) Corn D) Bulb
 
Answer & Explanation Answer: A) Rhizome

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE

1 32
Q:

In which of the following mammals estrous cycle is absent ?

A) Rabbit B) Horse
C) Cow D) Monkey
 
Answer & Explanation Answer: D) Monkey

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

1 26
Q:

There are approximately how many muscles in Human body ?

A) 206 B) 310
C) 554 D) 700
 
Answer & Explanation Answer: D) 700

Explanation:

Approximatey there are 700 muscles in Human body.

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Exam Prep: AIEEE , Bank Exams
Job Role: Bank Clerk

1 28
Q:

Lathyrism is caused by excess consumption of.......

A) Khesari Dal B) Mustard oil
C) Mushrooms D) Polished rice
 
Answer & Explanation Answer: A) Khesari Dal

Explanation:
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