SCIENCE AND TECHNOLOGY

Electrical impulse travels in a neuron from:

The dramatic changes in body features associated with puberty are mainly because of the secretions of:

A doctor advised a person to take injection of insulin because his:

Which of the following control and regulate the life process?

Which of the following controls the involuntary actions in the body?

Iodine is necessary for the synthesis of which of the following hormone?

The number of pairs of nerves which arises from the spinal cord is:

Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called:

The movement of a plant part in response to the force of attraction exerted by the earth is called:

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:

The main function of the plant hormone called abscisic acid is to:

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 stimulus in the process of thigmotropism is:

A growing seedling is kept in a dark room. A burning lamp is placed near to it for a few days. The top part of seedling bends towards the burning candle. This is an example of: