Explain giving reasons the bending of the shoot tip of a plant towards light source coming from one side of the plant.
How do nerve impulses travel in the body ? Explain.
Why is the use of iodised salt advisable ? Name the disease caused due to deficiency of iodine in our diet and state its one symptom.
Write a and b in the given flow chart of neuron through which information travels as an electrical impulse.
Name the hormones secreted by the following endocrine glands and specify one function of each:
(a) Thyroid (b) Pituitary (c) Pancreas
Mention any one point of difference between Pepsin and Trypsin.
Draw a neat diagram of human brain and label Medulla and Cerebellum. Write the functions of the above mentioned parts.
"Both overproduction and underproduction of Growth hormone leads to disorders in the body." Explain