Practice Questions CBSE - Science Class 10 (2023 Boards)

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Question 17 [Assertion Reasoning] Important

Question 18 [Assertion Reasoning] Important

Question 19 [Assertion Reasoning] Important

Question 20 [Assertion Reasoning]

Question 21 (Choice 1) Important

Question 21 (Choice 2)

Question 22 Important You are here

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Question 24 Important

Question 25 (Choice 1)

Question 25 (Choice 2)

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Question 31 (a)

Question 31 (b) Important

Question 32 (Choice 1)

Question 32 (Choice 2) Important

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Question 33 (b)

Question 33 (c) Important

Question 34 (a) - Choice 1

Question 34 (b) - Choice 1 Important

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Question 34 (a) - Choice 2 Important

Question 34 (b) - Choice 2]

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Question 36 Important

Question 37 (a) - Choice 1 [Case Based]

Question 37 (b) i - Choice 2 [Case Based] Important

Question 37 (b) ii - Choice 2 [Case Based] Important

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Question 38 (b) - Choice 1 [Case Based] Important

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Question 39 (c) - Choice 1 [Case Based]

Question 39 (d) - Choice 1 [Case Based] Important

Question 39 (d) - Choice 2 [Case Based] Important

How do control and coordination in plants differ from that in animals? Give any FOUR points of difference.

 

Answer:

S. no.

Control in Plants

Control in Animals

1.

Plant hormones diffuse to the place of action.

Animal hormones are carried in blood vessels

2. 

Plants depend on hormones for control and coordination.

Animals depend on nerve impulses and hormones for control and coordination.

3. 

Hormones in plants are not secreted by specialised glands.

Hormones in animals are secreted by specialised glands.

4. 

Movement in plants occurs through a change in the water content of the action cells.

Movement in animals occurs through a change in the shape and arrangement of proteins in the muscle cells.

 

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo