HARD
10th CBSE
IMPORTANT
Earn 100

The figure shows the movement of a stem. X is a part of the stem. The movement of plant hormone auxin in cells regulates cell elongation and growth of plants in a particular direction.

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What would the size of cells and the distribution of auxin at part X of the stem look like?

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Important Questions on Control and Coordination

EASY
10th CBSE
IMPORTANT
How can the movement of the stem in a particular direction be described?
MEDIUM
10th CBSE
IMPORTANT
Cell division in plants is promoted by _____ .
MEDIUM
10th CBSE
IMPORTANT
Which of the following statements are correct?
MEDIUM
10th CBSE
IMPORTANT
The cerebellum in the brain controls voluntary actions of the body. Which of these actions is controlled by the cerebellum? 
MEDIUM
10th CBSE
IMPORTANT
Which of these health conditions is caused by a hormonal imbalance in the body?
HARD
10th CBSE
IMPORTANT

Sapna suffers from a condition due to which her average blood sugar level is 174 mg/dl. The average blood sugar level in a healthy is < 140 mg/dl.

Which of the following could be the cause of Sapna's condition.

MEDIUM
10th CBSE
IMPORTANT
Auxin is a plant hormone that promotes cell elongation and is produced by the apical meristem. It inhibits the growth of lateral buds which are present at nodes (where leaves attach to the stem). As long as sufficient auxin is produced by the apical meristem, the lateral buds remain dormant. A gardener wants the plants in the hedge that he is growing to become bushier with more branches. Which of the following should he do?
MEDIUM
10th CBSE
IMPORTANT

Shown in the figure below is a plant in which auxin is synthesised at part X of the plant. Geeta took the potted plant and cut off part X. She then took the plant and kept It near a window with sunlight and observed It after 7 days.

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Which of the following Is she Ilkely to have observed?