The chemistry of malonate is similar to succinate and it can exclude succinate to bind to the active site of the enzyme succinic dehydrogenase. What type of inhibition is this?
1. Competitive
2. Non-competitive
3. Allosteric
4. Un-competitive
 

Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition |
 90%
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Identify the correct statement:
I. Collagen is the most abundant protein in animal world.
II. RuBisCO is the most abundant protein in the whole of the biosphere.
III. B-DNA is the most common double helical structure found in nature.
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
 
Subtopic:  The DNA | Proteins |
 55%
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Exoskeleton of arthropods is composed of :
1. Glucosamine
2. Cutin
3. Cellulose
4. Chitin

Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 87%
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Read the following statements on lipids and find out correct set of statements:

a: Lecithin found in the plasma membrane is a glycolipid.
b: Saturated fatty acids possess one or more c=c bonds.
c: Gingely oil has lower melting point, hence remains as oil in winter.
d: Lipids are generally insoluble in water but soluble in some organic solvents.
e: When fatty acid is esterified with glycerol, monoglycerides are formed.

Choose the correct answer from the options given below:
1. (a), (b) and (d) only
2. (a), (b) and (c) only
3. (a), (d) and (e) only
4. (c), (d) and (e) only

Subtopic:  Lipids |
 70%
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A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is C6H12O6 then what is the formula for maltose ?
1. C12H24O11
2. C12H20O10
3. C12H24O12
4. C12H22O11 
Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
 71%
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Match List - I with List - II
 List - I (Biological Molecules)  List - II (Biological functions)
(a) Glycogen (i) Hormone
(b) Globulin (ii) Biocatalyst
(c) Steroids (iii) Antibody
(d) Thrombin (iv) Storage product
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iv) (iii) (i) (ii)
2. (iii) (ii) (iv) (i)
3. (iv) (ii) (i) (iii)
4. (ii) (iv) (iii) (i)
Subtopic:  Proteins | Carbohydrates: Starch & Glycogen |
 77%
NEET - 2022
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Given below are two statements: 

Statement I: Cellulose is a polymeric polysaccharide 
Statement II: The building blocks of cellulose are glucose molecules 


In the light of the above statements , choose the correct answer from the options given below: 

1. Statement I is correct but Statements II is incorrect.
2. Statements I is incorrect but Statements II is correct. 
3. Both Statements I and Statements II are correct. 
4. Both Statements I and Statements II are false.
Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 79%
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Which of the following bond is formed as a result of reaction of carboxyl group of one amino acid with amino group of other amino acids with elimination of water? 
1. Phosphodiester Bond 
2. Hydrogen Bond 
3. Glycosidic Bond 
4. Peptide Bond 

Subtopic:  Zwitter ion & Peptide Bond |
 71%
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In a reaction catalyzed by an enzyme, which of the following statements is correct ?

1. Enzymes decrease the activation energy for formation of transition state.
2. Enzymes make transition form substrate to product more difficult.
3. Enzymes increase the activation energy for formation of transition state.
4. Enzyme-substrate complex formed during a reaction lasts for a very long time.

Subtopic:  Enzyme Catalysis |
 84%
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
A: Lipids are essentially ester of fatty acids and glycerol.
R: Lipids are always either in the form of monoglycerides, diglycerides, and triglycerides.
 
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
Subtopic:  Lipids |
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