EASY
9th Tamil Nadu Board
IMPORTANT
Earn 100

The atmospheric carbon dioxide enters into the plants through the process of _____.

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Important Questions on Environmental Science

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q i

Increased amount of _____ in the atmosphere, results in greenhouse effect and global warming.

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iii

Nitrogen is a greenhouse gas.

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iii
Poorly developed root is an adaptation of mesophytes.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iii
Bats are the only mammals that can fly.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iii

Earthworms use the remarkable high frequency system called echoes.

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iii

 Aestivation is an adaptation to overcome cold condition.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iv
Roots grow very deep and reach the layers where water is available. Which type of plants develop the above adaptation? Why?
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 24 - Environmental Science>textbook exercises>Q iv
Why streamlined bodies and presence of setae is considered as adaptations of earthworm?