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Assertion: Brain is a delicate organ which is protected from injury.
Reason: The bony box protects the brain from any shock.CorrectIncorrect
Assertion: Reflex Arc works faster than thinking process of brain.
Reason: Reflex Arc works in case of those animals who donot have thinking process.CorrectIncorrect
Which of the following acts as both endocrine and exocrine glands?CorrectIncorrect
Which of the following is not associated with growth of plant?CorrectIncorrect
Which hormone regulates the ionic balance in the body?CorrectIncorrect
The main effect of cytokinin in plants is toCorrectIncorrect
Reflex actions are mediated throughCorrectIncorrect
How many pairs of cranial nerves are present in man?CorrectIncorrect
Any change in the environment to which an organism responds is calledCorrectIncorrect
The highest coordinating centre in the human body isCorrectIncorrect
Which of the following is a plant hormone?CorrectIncorrect
Which part of nervous system controls the reflex activities of the body?CorrectIncorrect
A part of the body which responds to the in-structions sent from nervous system is calledCorrectIncorrect
The substance that result into the fall of mature leave and fruits from plants is due to :CorrectIncorrect
Which nerves transmit impulses from the cen¬tral nervous system towards muscle cells?CorrectIncorrect
Breathing is controlled by which part of the brain?CorrectIncorrect
Which of the following acts as both endocrine and exocrine gland?CorrectIncorrect
The main function of abscisic acid in plants isCorrectIncorrect
Movement of sunflower in accordance with the path of Sun is due toCorrectIncorrect
Response of plant roots towards water is called:CorrectIncorrect
Which plant hormone promotes dormancy in seeds and buds?CorrectIncorrect
Roots of plants are:CorrectIncorrect
Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electro chemical means to convey information from cell to cell.CorrectIncorrect
Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release hormone proges-terone in female.CorrectIncorrect
Assertion: Impulse travels from dendrite to cell body and then along the axon to its end.
Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an electric impulse.CorrectIncorrect
Which of the following is not a ductless gland?CorrectIncorrect
Which endocrine gland is also known as ‘master gland’?CorrectIncorrect
Ageing in human beings is caused by disappearance of which of the following glands?CorrectIncorrect
Which statement is incorrect about auxins?CorrectIncorrect
The hormone that is used to keep flowers fresh isCorrectIncorrect