Biomolecules - Tamil Nadu Board STD 11 BIO BOTANY Questions - Vidyadip

Question types

Biomolecules question types

136 questions across 4 question groups — pick any mix to generate a BIO BOTANY paper with step-by-step answer keys.

136

Questions

4

Question groups

5

Question types

Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.

[2 Mark Questions]

[3 Mark each]

[5 Mark each]

Sample Questions

Biomolecules questions

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

Q 1Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Insulin is a polymer of …………… .

A
sucrose
✓
fructose
C
glucose
D
maltose

Answer: B.

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Q 2Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Which is an anticoagulant?

A
Inulin
✓
Heparin
C
Agar
D
Keratan sulphate

Answer: B.

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Q 3Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Which of the following polysaccharides is used as solidifying agent in culture medium?

A
Inulin
B
Heparin
✓
Agar
D
Keratan sulphate

Answer: C.

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Q 4Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

…………… leads to the loss of 3D structure of protein.

A
Annealing
B
Extension
✓
Denaturation
D
Polymerisation

Answer: C.

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Q 5Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

The amino acid which is both an acid and a base is called …………… .

A
Amphibolic
✓
Amphoteric
C
Amphipathetic
D
Anabolic

Answer: B.

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Q 6[2 Mark Questions]2 Marks

A DNA segment has a total of 1000 nucleotides, out of which 240 are adenine containing nucleotides. How many pyrimidine bases this DNA segment possess?

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Q 7[2 Mark Questions]2 Marks

Sucrose is not a reducing sugar. Why?

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Q 8[2 Mark Questions]2 Marks

Starch, cellulose, glycogen and chitin are polysaccharides found among the following. Choose the one appropriate and write against each.
(a) Cotton fibre – …………… .
(b) Exoskeleton of ant – …………… .
(c) Liver – …………… .
(d) Peeled potato – …………… .

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Q 9[2 Mark Questions]2 Marks

Enzymes are biocatalysts – Justify.

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Q 10[2 Mark Questions]2 Marks

How do you call a fatty acid as saturated or unsaturated?

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Q 11[3 Mark each]3 Marks

Which was the first alkaloid discovered? Mentions its uses.

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Q 12[3 Mark each]3 Marks

Write a note on peptide bonds between amino acids.

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Q 13[3 Mark each]3 Marks

How will you identify the presence of protein in food samples?

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Q 14[3 Mark each]3 Marks

Herbivores can digest cellulose rich food, Why can’t human beings?

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Q 15[3 Mark each]3 Marks

What are Proteins?

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Q 16[5 Mark each]5 Marks

Compare DNA with RNA?

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Q 17[5 Mark each]5 Marks

Tabulate the various features of different forms of DNA.

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Q 18[5 Mark each]5 Marks

Give a detailed account on Enzyme Co – factors.

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Q 19[5 Mark each]5 Marks

Describe the Competitive & Non – Competitive Inhibitors of enzyme.

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Q 20[5 Mark each]5 Marks

Explain Lock & Key Mechanism of Enzymatic reaction.

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