Question

Q.18 the main constituent of suspended particulate matter causing decrease in visibility. *

1 point

A) hydrocarbon

B) unburnt hydrocarbon

C) burnt hydrocarbon

D) smoke

Q.19 Assertion : sclerenchyma are dead and this is need for the plants Reason : sclerenchyma are non living type of plant tissue , need no maintenance *

1 point

A) Both assertion and reason correct , reason is the correct explanation of the assertion .

B) assertion is correct but the reason is wrong

C))Assertion and reason is correct but reason is not the correct explanation of the assertion

D) Assertion and Reasons are wrong

Q.20 Assertion : various cell are present in multicellular organisms which looks different in structure Reason: cell perform different function . *

1 point

A) Both assertion and reason correct

B) assertion is correct but the reason is wrong

C))Assertion and reason is correct but reason is not the correct explanation of the assertion

D) Assertion and Reasons are wrong

Q.20 Assertion: animal cell cannot survive in hypertonic solution Reason: animal cell lack cell wall *

1 point

A) Both assertion and reason correct

B) assertion is correct but the reason is wrong

C))Assertion and reason is correct but reason is not the correct explanation of the assertion

D) Assertion and Reasons are wrong

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Answer 1

Answer:

Please mark me as brainly