EASY
10th CBSE
IMPORTANT
Earn 100

Define chemotropism.

Important Questions on Control and Coordination

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 9
A young green plant receives sunlight from one direction only. What will happen to its shoots and roots?
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 11
Mention one example of chemotropism.
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 1
Define the stimulus.
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 2
Name the four plant hormones.
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 3
Name the plant hormones responsible for the following
(a ) elongation of cells (b) growth of stem (c) promotion of cell division (d) falling of senescent leaves
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2B>Q 4

In figure (a), (b) and (c), which of the following appears more accurate and why?

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