Biology – Class 11 Mock Test 5

10%

Question 1 of 10

1. What percentage of the total cellular mass is carbohydrates?

Question 1 of 10

Question 2 of 10

2. How are enzymes different from catalysts?

Catalysts are efficient at high temperatures and high pressures

Enzymes are denatured at room temperature

Enzymes are active at high temperatures

Catalysts are active at subzero temperatures

Question 2 of 10

Question 3 of 10

3. What is the full form of RuBisCO?

Ribulose bisphosphate Carboxylase-Oxygenase

Ribosome bisphosphate Carboxy-Oxygenase

Ribulose bisphosphate Carboxylase-Oxidase

Ribosome bisphosphate Carboxylase-Oxidase

Question 3 of 10

Question 4 of 10

4. What type of helix is observed in proteins?

Parallel double helix

Antiparallel double helix

Left-handed helix

Right-handed helix

Question 4 of 10

Question 5 of 10

5. Which of these structures do not contain cellulose as its major constituent?

Fungal cell wall

Cotton fibers

Plant cell wall

Jute

Question 5 of 10

Question 6 of 10

6. Which of these is a storehouse of energy in animal tissues?

Cellulose

Glucose

Starch

Glycogen

Question 6 of 10

Question 7 of 10

7. Carotenoids and anthocyanins are some of the primary metabolites.

False

True

Question 7 of 10

Question 8 of 10

8. The metabolic synthesis of biomolecules is known as _____

anabolism

oxidation

digestion

catabolism

Question 8 of 10

Question 9 of 10

9. At which level does a metabolic reaction take place?

Biomolecular level

Tissue level

Organ level

Cellular level

Question 9 of 10

Question 10 of 10

10. Which of these is a complex polysaccharide?

Inulin

Glycogen

Starch

Chitin

Question 10 of 10