MEDIUM
10th CBSE
IMPORTANT
Earn 100
Define hydrotropism. Give one example of hydrotropism. State whether this example is of positive hydrotropism or negative hydrotropism. Illustrate your answer with the help of labelled diagram.
Important Questions on Control and Coordination
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 54
A growing seedling is kept in a dark room. A burning candle is placed near it for a few days. The top part of seedling bends towards the burning candle. This is an example of :EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 59
When the leaves of a Mimosa pudica plant are touched with a finger, they fold up quickly. This is an example of :MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 61
To which of the following directional stimulus roots of a plant do not respond?EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Questions Based on High Order Thinking Skills (HOTS)>Q 70
A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Questions Based on High Order Thinking Skills (HOTS)>Q 73
P and Q are two types of plants having weak stems which cannot stand upright on their own. The plants P and Q have organs R and S respectively which can grow towards any support which they happen to touch and wind around that support. It is observed that organ R originates from the leaves of the plant whereas organ S originates directly from the stem of the plant.Name the stimulus involved in this case. (Touch/ Water/ Light)
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Very Short Answer Type Questions>Q 18
Why are some patients of diabetes treated by giving injections of insulin?MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 35
What is the function of receptors and effectors in our body?EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 38
The human brain can be broadly divided into three regions. Name these three regions.