MCQ on Environmental Sciences for various Agriculture Exams✅ Part - 13

1) The biggest mangrove forest in India is
i. Sunderban
ii. Andaman
iii. Gulf of Kutch
iv. Mannar Strait

2) In a pond the zone does not receive light is
i. Profundal zone
ii. Littoral zone
iii. Limnetic zone
iv. Necton zone

3) Helophytes are
i. Marshy plants
ii. Desert plant
iii. Aquatic plant
iv. Terrestrial plant

4) Psammophytes grows on
i. Rocks and stone
ii. Sand and gravel
iii. Saline soils
iv. Marshes

5) Stomata are absent in
i. Aquatic helophytes
ii. Submerged hydrophytes
iii. Emergent hydrophytes
iv. Lithophytes

6) Among the most efficient plants to trap light energy are sugarcane and corn because
i. They have C3 acid cycle of photosynthesis
ii. They have C4 acid cycle of photosynthesis
iii. They possess photorespiration capability
iv. They respond to fertilizers maximum

7) Largest number of river valley projects present in
i. USA
ii. India
iii. China
iv. Russia