MONTHLY TEST (SCIENCE FORM 4)

1

Name:__________________________ (4A__) 1 The peripheral nervous system consists of

cranial nerves which emerge from the brain and the spinal nerves which arise from the spinal cord. Which of the following emerge from the brain?

A. Peripheral nerves B. Cranial nerve C. Spinal nerves D. Motor nerves

2 A neurone consists of a cell body which

contains the nucleus, dendron, dendrites and a single axon. Where is the nucleus found in neuron? A. Cell body B. Dendron C. Dendrite D. Axon

3 The brain is divided into three main parts,

the cerebrum, cerebellum and medulla oblongata. How many parts are there in a brain? A. 1 B. 2 C. 3 D. 4

4 The endocrine system is a system which

consists of endocrine glands. Adrenal gland is a gland situated on top of the kidney and come in pairs. Name the endocrine gland situated at the top of the kidney? A. Pituitary gland B. Adrenal gland C. Pancreas D. Ovary

5 A receptor detects stimulus from the

environment. Which part detect stimulus?

A. responses B. receptors C. effectors D. stimuli

6 Changes in the environment is known as

A. responses B. receptors C. effectors D. stimuli

7 The action that is done with consciousness

and according to our will is known as

A. reflex action B. voluntary action C. involuntary action D. unconscious action

8 Organic chemicals which are secreted by

the endocrine glands into the bloodstream are known as

A. depressants B. stimulants C. hormones D. impulse

9 The ability to think and reason is defined as

A. life B. skill C. mind D. maturity

10 Figure shows a type of neuron.

What is the function of the neuron in the figure?

A. Conduct impulses from the sensory neuron to the motor neuron

B. Conduct impulses from the central nervous system to the effectors

C. Conduct impulses from the receptor to the central nervous system

D. Conduct impulses from the motor neuron to the central nervous system

MONTHLY TEST (SCIENCE FORM 4)

2

11. Figure shows the endocrine glands in the human body. Which is the adrenal gland?

12. Figure shows the human’s brains. Which

part controls the maintaining of posture and balance of the body?

13. Which of the following drugs are

classified as hallucinogens?

A Barbiturates B Morphine C Cannabis D Codeine

14. Which of the following made up the central nervous system?

I Spinal chord II Cranial nerves III Brain IV Spinal nerves A I and II B I and III C II and III D II and IV

15. Which receptors are involved to enable the acrobats to walk on the rope, in an acrobatic show?

A Pressure receptors B Heat receptors C Proprioceptors D Pain receptors

16.

The diagram above shows changes of genetic material in the chromosome. This process occur at the A liver B kidney C skin D ovary 17.

The diagram above shows the fertilisation between a normal ovum and a sperm consisting of 22 chromosomes. Which of the following possibly experienced by the baby that develops from the zygote?

A

B

D

C

A

B

C

MONTHLY TEST (SCIENCE FORM 4)

3

A The eyes have a light red colour B Retardation of characteristics of

secondary sex C Its blood clots more slowly D Its haemoglobin cannot transport

oxygen efficiently 18. 100 female fruit flies with long wings were cross-bred with 100 male fruit flies with short wings. The first generation of fruit files are found to have long wings. When the young of these fruit flies child are cross-bred with one another, 100 fruit flies are produced in the second generation. The second generation of fruit flies consist of

A 100% with long wings B 100% with short wings C 75% with long wings D 75% with short wings

19. The son inherits the Y chromosome from

A his father B his grandfather C his mother D his parents

20.

The diagram above shows the movement of chromosomes to the opposite pole in the cell. The step above occurs in the process of

I meiosis II fertilisation III crossing over

A I only B I and II only C II and III only D I, II and III

Answer

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.