EXERCISE - 2B

Author:Geeta Negi

Geeta Negi Biology Solutions for EXERCISE - 2B

Simple step-by-step solutions to EXERCISE - 2B questions of Control and Coordination from CORE SCIENCE BIOLOGY For Class 10. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE - 2B with Hints & Solutions

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 3

The shape of guard cells changes due to change in the

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 4

The growth of tendril in pea plants is due to the

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 5

Match the following and select the correct option.

(P) Auxin 1. Flowering
(Q) Gibberellin 2. Growth inhibitor
(R) Cytokinin  3. Phototropism
(S) Abscisic acid 4. Cell division

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 4

What are the two main types of coordination present in living organisms?

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 5

Name one chemical substance of plant which promotes ripening of fruits.

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 10

Name the plant hormones which help/promote

(i) cell division

(ii) growth of the stem

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 12

Name the plant hormone that retards the growth of the plant.(Abscisic acid/ auxin/ cytokinin)

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 5

Mention the role of each of the following plant hormones:
(i) Auxin (ii) Abscisic acid