Q1
Which part of the human brain controls balance and posture?
📝 SolutionThe cerebellum, part of the hindbrain, is responsible for maintaining posture, balance and coordination of voluntary movements.
Q2
Thinking, memory and voluntary actions are controlled by the:
📝 SolutionThe cerebrum, the largest part of the forebrain, is the centre for thinking, intelligence, memory and voluntary muscle control.
Q3
Involuntary actions like heartbeat and breathing rate are controlled by the:
📝 SolutionThe medulla oblongata in the hindbrain regulates involuntary functions such as heartbeat, breathing and blood pressure.
Q4
The growth of a plant shoot towards light is called:
📝 SolutionPhototropism is the directional growth of a plant part in response to light; shoots show positive phototropism, growing towards light.
Q5
The plant hormone responsible for cell elongation and phototropic bending is:
📝 SolutionAuxin, synthesised at the shoot tip, promotes cell elongation; it accumulates on the shaded side, causing the shoot to bend towards light.
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Class 10 · Science
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