Central Nervous System

Q. Which of the following is not a part of forebrain?

1. Cerebrum
2. Hypothalamus
3. Thalamus
4. Cerebellum

Q.

Differentiate between the following pair of terms:​

(c) Platelets and WBC.

Q.

The area of the brain responsible for maintaining homeostasis by regulating processes such as hunger, thirst, body temperature, and water balance is ______.

1. thalamus

2. cerebrum

3. hypothalamus

4. limbic system

Q.

What is the importance of iodine in our diet?

1. It is required by our body to produce thyroxine.

2. It is useful in digestion of proteins.

3. It enhances the taste of the food.

4. It fights bacterial infection.

Q.

The ___________ recieves, processes and interprets information coming from the senses and sends out the messages destined for the effector.

1. CNS and various body organs

2. CNS and peripheral nervous system

3. sympathetic and parasympathetic nervous system

4. peripheral nervous system and CNS

Q.

Diabetes mellitus is caused by deficiency of ______.

1. ADH

2. adrenalin

3. insulin

4. prolactin

Q. The spinal cord is an extension of:

1. Cerebrum
2. Medulla oblongata
3. Vertebral column
4. Cerebellum

Q.

Which part of the brain controls happiness?

Q.

Which of the following belong to the central nervous system?

1. Reflex arc, A - Receptor, B - Sensory neuron, C - Motor neuron, D - Relay neuron

2. Central Nervous System, A - Electrical impulse, B - Sensory neuron, C - Motor neuron, D - Nerve ending

3. Central Nervous System, A - Electrical impulse, B - Sensory neuron, C - Motor neuron, D - Nerve ending

4. Neuromuscular junction, A - Cell body, B - Sensory neuron, C - Motor neuron, D - Axon

Q.

Identify the tropic movement in the picture below.

1. Thigmotropic movement

2. Phototropic movement

3. Chemotropic movement

4. Geotropic movement

Q.

What is the nervous system and how it works?

Q.

Fill in the blanks with suitable words:​

​

(i) The blood plasma contains a dissolved substance called ________

Q.

Question 40
The size of the cells of an organism has no relation with the size of its body. Do you agree? Give reason for your answer.

Q.

Diabetic patients should avoid food rich in starch and sugar.

Q. Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them.​

Q. Identify the functions of medulla oblongata:

A) Swallowing, walking, writing, drinking and vomiting
B) Vomiting, peristalsis, swallowing and respiration
C) Drinking, blood pressure, swallowing and sleep
D) Breathing, cycling, eating, swallowing and digestion

Q. Movement of plants away from the gravity is called:

1. Positive Phototropism
2. Negative Phototropism
3. Negative Geotropism
4. Positive Geotropism

Q. The organs which give response to external and internal stimuli are known as

1. Receptors
2. Chemoreceptors
3. Photoreceptors
4. Tactile receptors

Q.

Match the following:
$\begin{array}{cccc}1& \text{cerebellum}& \text{A}& \text{It is located in the hindbrain, posterior to the cerebellum}\\ 2& \text{cerebrum}& \text{B}& \text{The principal and most anterior part of the brain in}\\ & & & \text{vertebrates, located in the area of the skull and consisting}\\ & & & \text{of two hemispheres, left and right, separated by a fissure.}\\ 3& \text{Medulla oblongata}& \text{C}& \text{It is located in the hindbrain, posterior to the cerebrum}\\ & & & \end{array}$

1. 1-D, 2-C, 3-B , 4-A

2. 1-C, 2-B, 3- D, 4- A

3. 1- B, 2-B, 3-C, 4-A

4. 1- D, 2-B, 3- C, 4- A

Q. Dorsal Neuron of nerve ganglion contains:- a)motor nerver fibres b)sensory nerve fibres c)mixed nerve fibres d)all of the above

Q. Select the mis - matched pair.

1. Adrenaline - Pituitary gland
2. Testosterone - Testes
3. Estrogen - Ovary
4. Thyroxine -Thyroid gland

Q. Match the following.

1. Gravity
2. Touch
3. Chemical
4. Light

Q.

M is the fight or flight hormone of the body. M may have an effect on organ N. M reduces the blood flow from O and skin and diverts it to P.
Identify M, N, O and P.

1. Insulin, liver, heart, brain

2. Adrenaline, heart, digestive system, skeletal muscles

3. Insulin, heart, digestive system, skeletal muscles

4. Adrenaline, heart, skeletal muscles, digestive system

Q. controls the secretion of pituitary gland.

1. Pineal gland
2. Hypothalamus
3. Adrenal gland

Q.

Actions which are initiated by our own will are known as ___ .

1. Reflex arc, A - Receptor, B - Sensory neuron, C - Motor neuron, D - Relay neuron

2. Central Nervous System, A - Electrical impulse, B - Sensory neuron, C - Motor neuron, D - Nerve ending

3. Central Nervous System, A - Electrical impulse, B - Sensory neuron, C - Motor neuron, D - Nerve ending

4. Neuromuscular junction, A - Cell body, B - Sensory neuron, C - Motor neuron, D - Axon

Q. maam motor nerves are efferent fibers?

Q. Hormones are transferred to the target organ through .

1. blood
2. water
3. nerves

Q.

Central nervous system comprises of

1. Brain

2. Spinal cord

3. Vertebral column

4. All peripheral nerves

Q.

Find the correct function of the efferent nerves from the following options.

1. Both A and B

2. Conduct information from effector organ to the CNS

3. Conduct information from CNS to the effector organ

4. Neither A nor B

Q.

Look at the following matches:
1. Spinal Cord - Reflex action
2. Cerebrum - Thinking, Decision making
3. Corpus Callosum - Controls heart beat
4. Medulla oblongata - Controls cardiac center

Which of the given matches are correct?

1. 4 only

2. 2 and 3 only

3. 1, 2 and 3 only

4. 1, 2 and 4 only