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Q:

Vitamins are

A) Macro Nutrients B) Micro nutrients
C) Essential Amino acids D) Non essential Amino acids
 
Answer & Explanation Answer: B) Micro nutrients

Explanation:
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Filed Under: Biology

29 7533
Q:

Nitrogenous bases in DNA and RNA?

A) Adenine B) Cytosine
C) Guanine D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Nitrogenous base: A molecule that contains nitrogen and has the chemical properties of a base.

 

DNA and RNA ::

 

The nitrogenous bases in DNA are

Adenine (A),

Guanine (G),

Thymine (T), and

Cytosine (C).

 

Whereas the nitrogenous bases in RNA are the same, with one exception:

Adenine (A),

Guanine (G),

Uracil (U), and

Cytosine (C).

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Filed Under: Biology
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6 7505
Q:

Which of the following plays an important part in photosynthesis?

A) Chloroplast B) Centrosome
C) Tonoplast D) Nematoblast
 
Answer & Explanation Answer: A) Chloroplast

Explanation:

The Chloroplast contains the wonder green pigment chlorophyll which is able to trap solar energy and use it for synthesis of food

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9 7496
Q:

Water pollution of a river is measured by_______

A) Amount of chlorine dissolve in water B) Amount of Ozone dissolve in water
C) Amount of nitrogen dissolve in water D) Amount of oxygen dissolve in water
 
Answer & Explanation Answer: D) Amount of oxygen dissolve in water

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13 7440
Q:

Nitrogen fixing bacteria is useful in growing which crop ________

A) Wheat B) Paddy
C) Legume D) Maiz
 
Answer & Explanation Answer: C) Legume

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Filed Under: Biology

28 7259
Q:

Which best describes transformation in bacteria?

A) Bacteria take DNA from their environment. B) Bacteria inject DNA into another cell.
C) Bacteria lie dormant for many weeks. D) Bacteria transfer DNA with a bacteriophage.
 
Answer & Explanation Answer: A) Bacteria take DNA from their environment.

Explanation:

"Bacteria take DNA from their environment" is what best describes transformation in bacteria.

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4 7213
Q:

Phycology is the branch of botany in which we study about

A) Algae B) Fungi
C) Ecology D) Virus
 
Answer & Explanation Answer: A) Algae

Explanation:
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Filed Under: Biology

27 7143
Q:

Blood is

A) alkaline B) neutral
C) like a buffer D) acidic
 
Answer & Explanation Answer: A) alkaline

Explanation:
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Filed Under: Biology

39 7108