Burlington junior college
Std:- 12th Science
Sub:- Biology
Marks:- 25
First Unit Test Examination
Section A
Q.1) Multiple choice question: [03]
1). _________ is a grey matter
a) cyton c) Axon
b) mylein sheath d) non of these
2) A collection of neuronal cell bodies located outside the CNS is called______
a) tract c) Nucleus
b) nerve d) ganglion
3).weight of an human brain is _________.
a) 1.5kg c) 2.0kg
b) 1.0kg d) 1.2kg
Q.2 Answer the following Question: [02]
a) types of fibers in Central nervous system
b) what is grey matter ?
section B
Attempt any Three [06]
03) what is the function of red nucleus?
04) sketch and labelled T.S of spinal cord.
06) define - a) association fibers b) commiseral fibers
07) explain transmission of nerve impulse
section C
Attempt any Two: [06]
08) explain meninges and decribe 3 meningial layer ?
09)explain neuron and its type with daigram ?
10). explain brain stem ?
Section D
Attempt any 2: [08]
11) Explain CSF and the struction of ventricular system in brain?
12) explain cerebrum or forebrain in CNS
13) explain synapes with electrical impulse and chemical neurotransmitter ?
