set 6 MCQ Questions & Answers Detailed Explanation

Question : 1

The physical process involved in the release of molecular oxygen from leaves is

a) transpiration

b) osmosis

c) diffusion

d) capillarity

Question : 2

Parathormone deficiency produces muscle ramps or tetany as a result of

a) enhanced blood Na⁺

b) lowered blood Ca²⁺

c) enhanced blood glucose

d) enhanced blood Ca²⁺

Question : 3

Which one among the following statements about stomach is not correct?

a) Stomach mixes food with gastric juice

b) Stomach acts as a temporary reservoir

c) Stomach secretes lipase and amylase in gastric juice

d) Rate of stomach emptying depends on the type of food

Question : 4

Translocation of carbohydrate nutrients usually occurs in the form of

a) maltose

b) starch

c) glucose

d) sucrose

Question : 5

Air is breathed through

a) Nose — larynx — pharynx — bronchus — alveoli — bronchioles

b) Trachea — lungs — larynx — pharynx — alveoli

c) Nostrils — pharynx — larynx — trachea — bronchi — bronchioles — alveoli

d) Nose — mouth — lungs

Question : 6

Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enable them to resemble with which of the following?

a) Pteridophytes

b) Fungi

c) Algae

d) Angiosperms