Protective Coverings of the Brain

Q.

Cerebrospinal fluid is present between _______ .

1. Central canal of spinal cord

2. The piamater and brain

3. The arachnoid membrane and piamater

4. Inside the ventricles

Q.

State where in human body central canal is located and also state its main function.

Q. Third and fourth ventricles of the brain are connected by

1. foramen of Monro
2. foramen magnum
3. corpora quadrigemina
4. aqueduct of Sylvius

Q. Choose the correct sequence of the meninges present from outside (cranium) to inside (CNS)?

1. Pia mater, arachnoid mater, dura mater
2. Dura mater, arachnoid mater, pia mater
3. Pia mater, dura mater, arachnoid mater
4. Arachnoid mater, dura mater, pia mater

Q. The human brain is situated in a bony structure called

1. cerebral cortex
2. vertebrae
3. meninges
4. cranium

Q. Which of the following is the innermost layer of the cranial meninges?

1. Arachnoid
2. Gray matter
3. Dura mater
4. Pia mater

Q.

Name the structures involved in the protection of the brain.

Q. Layer of meninges which is in contact with the spinal cord is called

1. dura mater
2. corpora quadrigemina
3. pia mater
4. arachnoid mater

Q. Cerebrum is in direct contact with

1. dura mater
2. cranium
3. arachnoid mater
4. pia mater

Q.

Choroid plexus is a network of

1. nerves

2. capillaries

3. muscle fibres

4. lymph vessels

Q.

Name the following:

The fluid present between the layers of meninges.

Q.

Which of the following protects the brain from shocks?

1. Duramater

2. Cerebrospinal fluid

3. Arachnoid membrane

4. Cranium

Q. Give the technical term for the protective covering of brain and spinal cord.

Q. $3C{O}_2+9ATP+6NADPH+\text{Water}\to \text{glyceraldehyde}3-\text{phosphate}+9ADP+6NADP++8Pi$
Analyze the above reaction and answer the following questions:
a. How many molecules of ATP & NADPH are required to fix one molecule of $C{O}_2$?
b. Where in the chloroplast does this process occur?

Q. Arrange the layers of the brain from outside to inside in the correct sequence:

1. Arachnoid mater
2. Pia mater
3. Dura mater
4. Cranium

Q.

Fill in the blanks with correct words.

The fluid-filled between the meninges is called ___________.

Q.

_______________nourishes the brain and protects it by absorbing shocks.

Q.

Choroid plexus is a network of

1. nerves

2. capillaries

3. muscle fibres

4. lymph vessels

Q. The function of choroid plexus is

1. To produce cerebrospinal fluid
2. To produce lymph
3. To produce blood
4. To produce endolymph

Q. Third and fourth ventricles of the brain are connected by

1. foramen of Monro
2. foramen magnum
3. corpora quadrigemina
4. aqueduct of Sylvius

Q. Fluid found between piamater and arachnoid is

1. Subdural fluid
2. Cerebrospinal fluid
3. Tissue fluid
4. Lymph

Q. The statements given below are incorrect. Rewrite the correct statements by changing the underlined words of the statements.

(ii) Gyri and sulci are the folds of cerebellum.

Q.

Vasa recta refer to

1. A fine blood capillary network of the afferent arteriole
2. Rectum region of insects
3. The juxtaglomerular complex of nephrons
4. Blood capillaries in invertebrates
5. A fine capillary network that runs parallel to Henle's loop

Q. The amount of cerebrospinal fluid in an adult healthy human being is about.

1. $200$ml
2. $120$ml
3. $60$ml
4. $300$ml

Q. The space between the layers of the brain is filled with fluid is called ...........

1. Cerebrospinal fluid
2. Pleural fluid
3. Aqueous humour
4. Synovial fluid

Q. Which of the following nutrients are energy sources for the brain?

1. Glucose alone
2. Triacylglycerol
3. Glucose, fatty acids and ketone bodies
4. Other metabolites

Q. Sequence of meninges from inner to outside is

1. Duramater Arachnoid Piamater
2. Duramater Piamater Arachnoid
3. Arachnoid Duramater Piamater
4. Piamater Arachnoid Duramater

Q.

Which of the following is the innermost membrane covering the brain?

1. Duramater

2. Arachnoid

3. Sulcus

4. Piamater

Q. Cavities found in the cerebral hemispheres are known as

1. Paracoels
2. Rhinocoels
3. Mesocoels
4. Diacoels

Q. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these.

1. Help in regulating metabolism
2. Are exclusively synthesised in the body of a living organism as at present
3. Are conjugated proteins
4. Enhance oxidative metabolism