State the exact location of the following structures: (a) Thyroid gland (b) Dura mater (c) Amniotic fluid (d) Papillary muscles (e) Islets of Langerhans

What are the two functions of cerebellum.

Arrange and rewrite the terms in each group in correct order to be in a logical sequence beginning with the term that is underlined: (a) Snake, Rabbit, Cabbage, Hawk. (b) Xylem, Soil water, Cortical cells, Root hair. (c) Receptor, Response, Effector, Spinal Cord. (d) Fovea, Lens, Cornea, Conjunctiva. (e) Testis, Urethra, Sperm duct, Epididymis.

Name the type of nerve which has the fibres of both sensory and motor neurons.

Vineet’s day begins with a cup of piping hot coffee. Caffeine is a stimulant present in coffee which increases the circulation of Adrenaline in the body. Vineet feels refreshed, alert and focussed. (a) Name the organ that is stimulated by caffeine which makes Vineet alert and focussed. (b) Give the collective term for the protective membranes of the organ mentioned in (a). (c) Which part of the autonomic nervous system increases the secretion of Adrenaline?

State the difference between Nephron and Neuron.

Bharat woke up late in the morning and missed the school bus. This situation stimulated the nerves of the sympathetic system which resulted in (a) Constriction of Coronary arteries (b) Muscle relaxation (c) Decrease in Respiration rate (d) Bronchodilation

Karan was standing on a high stool and cleaning the ceiling fan. He suddenly loses balance and sustains a head injury. An examination reveals that his pupils have lost the capacity to constrict in bright light. Which structure has been damaged? (a) Suspensory ligaments (b) Medulla oblongata (c) Eye lens (d) Eye lid

Assertion: The sympathetic nervous system prepares the body for violent action. Reason: The sympathetic nervous system accelerates the heartbeat. (a) Both Assertion and Reason are true. (b) Assertion is true but Reason is false. (c) Assertion is false but Reason is true. (d) Both Assertion and Reason are false.

Assertion (A): Arachnoid layer helps in speeding up the transmission of nerve impulses along the axons. Reason (R): Axon endings at the synapse secrete acetylene. (a) A is True and R is False (b) A is False and R is True (c) Both A and R are True (d) Both A and R are False

Copy the diagram given below. (a) Name the structure. (b) Label Gray matter and White matter.

Read the explanations given below and name the structures: (a) The canal through which the testes descend down into the scrotum just before the birth of a male baby. (b) The part of the brain that regulates the peristaltic movement of the alimentary canal. (c) A structure that collects the soundwaves and conducts them through the external auditory canal. (d) The point of attachment of two chromatids of a chromosome. (e) Regulation of the opening and closing of stomata.