Cytidylic acid is

1.Nucleotide

2.Nucleoside

3.Nitrogenous base

4.Amino acid

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 90%
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Which one is correct

1.Adenine = Pyrimidine, Uracil= Purine

2.Adenine= Purine, Uracil= Purine

3.Adenine= Adenylic acid, Uracil=Uridylic acid

4.Adenine= Purine, Uracil= Pyrimidine

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 83%
From NCERT
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Which of the following is true?

1. All the elements present in a sample of earth’s crust are also present in a sample of living tissue

2. Carbon and Hydrogen are  present in more amount in any living organism than earth’s crust.

3. Carbon and Hydrogen are present in more in living organisms than in non living matter.

4. All of the above

Subtopic:  Introduction |
 86%
From NCERT
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Select the correct arrangement of elements present in human body

1. C>O>H>N

2. C>O>N>H

3. O>C>H>N

4. O>C>N>H

Subtopic:  Introduction |
From NCERT
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The least abundant element present in human body is
1. Oxygen
2. Carbon
3. Nitrogen
4. Hydrogen

Subtopic:  Introduction |
 71%
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When chemical analysis of living tissue was done using trichloroacetic acid, then inorganic compounds were found to be present in

1. Acid soluble pool

2. Acid insoluble pool

3. Both A and B

4. Cannot be determined

Subtopic:  Introduction |
 53%
From NCERT
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Which of the following is incorrect?

1. Sulphates and phosphates are seen in acid soluble pool

2. Sulphates and phosphates are seen in acid insoluble pool

3. All carbon compounds that we get from living tissue can be called as biomolecules

4. Elemental analysis gives elemental composition of the living tissues.

Subtopic:  Introduction |
 74%
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Which of the following inorganic compound is present in living body?

1. Carbohydrates

2. Proteins

3. Water

4. Lipids

Subtopic:  Introduction |
 77%
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Find the correct statement

1. All the chemical reactions taking place in the body are called metabolism.

2. Each of the metabolic reactions results in the transformation of biomolecules

3. Metabolites are converted into each other in a series of linked reactions called metabolic pathways

4. All of these

 97%
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Which of the following is correct statement
1. Every chemical reaction of metabolism is a catalysed reaction.
2. There is no uncatalysed metabolic conversion in the living system.
3. The proteins with catalytic power are called as enzymes
4. All of these

Subtopic:  Enzyme Introduction |
 94%
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