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CBSE Class 10 Biology Control and Coordination (Hard)
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The growth of tendrils in pea plants is due to the:
The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:
The number of pairs of nerves which arises from the spinal cord is:
Iodine is necessary for the synthesis of which of the following hormone?
Which of the following controls the involuntary actions in the body?
Electrical impulse travels in a neuron from:
A doctor advised a person to take injection of insulin because his:
The dramatic changes in body features associated with puberty are mainly because of the secretions of:
The stimulus in the process of thigmotropism is:
A big tree falls in a forest, but its roots are still in contact with the soil. The branches of this fallen tree grow straight up (vertically). This happens in response to: