PART - 1 - Unit III : CH - 9 Biomolecules - Rajasthan Board (RBSE) STD 11 Science BIOLOGY Questions - Vidyadip

Question types

PART - 1 - Unit III : CH - 9 Biomolecules question types

110 questions across 8 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

110

Questions

8

Question groups

5

Question types

M.C.Q (1 Marks)

Fill In The Blanks.

True False[1 Marks ]

1 Marks Question

2 Marks Questions

3 Marks Question

Match the following.

5 Marks Questions

Sample Questions

PART - 1 - Unit III : CH - 9 Biomolecules questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (1 Marks)1 Mark

At what temperature does the catalytic power of enzymes obtained from organisms generally found at very high temperatures (sulfur springs) remain:

✓
80° to 90° С.
B
95° to 100° С.
C
110° to 120° С.
D
150° to 170° С.

Answer: A.

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Q 2M.C.Q (1 Marks)1 Mark

The right end of a polysaccharide chain (e.g. glycogen) is called reducing and the left end is called:

A
reducing
✓
non-reducing
C
oxidising
D
none of these

Answer: B.

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Q 3M.C.Q (1 Marks)1 Mark

Which of the following chemical properties of amino acids depend on their physical and functional group?

A
Amino
B
Carboxyl
C
R functional group
✓
All of these

Answer: D.

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Q 4M.C.Q (1 Marks)1 Mark

The percentage of water in the total cellular weight of living organisms is:

A
42278
✓
70-90
C
50-60
D
30-40

Answer: B.

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Q 5M.C.Q (1 Marks)1 Mark

Which of the following alkaline amino acids is:

✓
Lysine
B
Valine
C
Tyrosine
D
Tryptophan

Answer: A.

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Q 6Fill In The Blanks.1 Mark

When the inhibitor is very similar to the substrate in its molecular structure and inhibits the activity of the enzyme, then it is called __________.

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Q 7Fill In The Blanks.1 Mark

In a polysaccharide the monosaccharides are linked by __________ bonds.

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Q 8Fill In The Blanks.1 Mark

Every protein is a __________ of amino acids .

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Q 9Fill In The Blanks.1 Mark

Chemical compounds whose molecular weight is less than one thousand Dalton are called __________ or __________.

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Q 10Fill In The Blanks.1 Mark

The difference in average energy between the substrate and the transition state is called __________ energy.

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Q 11True False[1 Marks ]1 Mark

Many compounds like alkaloids, flavonoids, rubber, volatile oils, antibiotics, coloured pigments, perfumes, gums are secondary metabolites.

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Q 12True False[1 Marks ]1 Mark

Cellulose is a polymer polysaccharide.

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Q 13True False[1 Marks ]1 Mark

No metabolic transformation in a living system takes place without a catalyst.

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Q 14True False[1 Marks ]1 Mark

When glucose is broken down into lactic acid in skeletal muscles, energy is not released.

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Q 15True False[1 Marks ]1 Mark

The active site of an enzyme is the crack or pocket in which the substrate comes and settles.

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Q 161 Marks Question1 Mark

Draw the structure of the amino acid, alanine.

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Q 171 Marks Question1 Mark

Write the names of any two secondary metabolites.

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Q 181 Marks Question1 Mark

Inulin is the polymer of?

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Q 191 Marks Question1 Mark

Write the function of protein GLUT-4,

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Q 201 Marks Question1 Mark

DNA and RNA acts as which substance?

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Q 212 Marks Questions2 Marks

What are gums made of? Is Fevicol different?

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Q 222 Marks Questions2 Marks

Can you attempt building models of biomolecules using commercially available atomic models (Ball and Stick models).

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Q 232 Marks Questions2 Marks

Find out how much cellulose is made by all. the plants in the biosphere and compare it with how much of paper is manufactured by man and hence what is the consumption of plant material by man annually. What a loss of vegetation!

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Q 242 Marks Questions2 Marks

What are macromolecule? Give examples

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Q 252 Marks Questions2 Marks

Write the functions of the following proteins- (i) Collagen, (ii) Trypsin, (iii) Insulin, (iv) Antibody, (v) Receptor.

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Q 263 Marks Question3 Marks

Find out a qualitative test for proteins, fats and oils, amino acids and test any fruit juice, saliva, sweat and urine for them.

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Q 273 Marks Question3 Marks

Explain the composition of triglyceride.

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Q 283 Marks Question3 Marks

Find out and make a list of proteins used as therapeutic agents. Find other applications of proteins (e.g., Cosmetics etc.).

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Q 293 Marks Question3 Marks

What is meant by tertiary structure of proteins?

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Q 303 Marks Question3 Marks

Write any four differences between enzymes and co-enzymes.

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Q 31Match the following.4 Marks

Column-I	Column-II
A. Coenzyme	(i) Cytochrome oxidase
B. Oxidoreductase	(ii) Esterase
C. Tranaferase	(iii) Glutamate pyruvate transaminase
D. Hydrolases	(iv) NADP

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Q 32Match the following.4 Marks

Column-I	Column-II
A. Insulin	(i) Enzyme
B. Receptor	(ii) Hormone
C. Trypsin	(iii) Intercellular ground substance
D. Collagen	(iv) Sensory reception

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Q 33Match the following.4 Marks

Column-I	Column-II
A. Peptide bond	(i) Polysaccharide
B. Glycoside bond	(ii) Polypeptide
C. ATP	(iii) DNA
D. 3.4 A	(iv) Energy

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Q 34Match the following.4 Marks

Column-I	Column-II
A. Sugar	(i) Cholesterol
B. Lipids	(ii) Nucleotides
C. Uridine	(iii) Ribose
D. Adenylic acid	(iv) Nucleoside

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Q 355 Marks Questions5 Marks

Find and write down structures of 10 interesting small molecular weight biomolecules. Find if there is any industry which manufactures the compounds by isolation. Find out who are the buyers.

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Q 365 Marks Questions5 Marks

Describe the important properties of enzymes.

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Q 375 Marks Questions5 Marks

What are ribozymes? Describe in detail the nomenclature and classification of enzymes.

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Q 385 Marks Questions5 Marks

Describe the factors affecting enzyme activity.

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Q 395 Marks Questions5 Marks

Explain how enzymes carry out chemical transformations at high rates.

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