ss1 examination

00:25:00

Welcome to your SS1 Third Term examination on Human Biology 2025

1. In the middle ear,the vibrations are amplified by the three bones, namely;

2. The part of the internal ear responsible for hearing is ___

3. The smallest bone called stapes or stirrup found in the human body is located in the ___

4. What is the white part of the eye called

5. Sensory nerve cells called rods and cones are found in the ___

6. The region of the vertebrate eye, where the optic nerve passes out the retina is called the ___

7. Which of the following receptors are responsible for detection of smell

8. The ___ collects sound from the surrounding

9. Which part of the eye controls size of a pupil

10. Which part of the nose is responsible for detecting smell

11. What is the function of the nasal conchae

12. What is the term for the sense of smell

13. What is the role of mucus in the nose

14. The nose also plays a role in __

15. Septum is referred to as

16. Which of the following is the main thinking part of the human brain

17. __ controls involuntary activities like coughing and sneezing

18. A nerve cell is an example of cell that has

19. Dendrites and axon are parts of which cell

20. Which part of the brain controls the heart

Subjective

1. ___ is the part of the brain from which spinal cord originates

2. ___ is the neurone that carries information from peripheral nervous system to central nervous system

3. Which part of the brain controls the body temperature

4. What is the purpose of earwax?

5. The main thinking part of the human brain is ____

6. What is the function of the iris

7. Short sightedness can be corrected with the use of _____

8. Long sightedness can be corrected with ___

9. DNA stands for ___

10. RNA stands for ___

Theory; Answer question number one and any other two of your choice

1a. Draw and label the structure of the ear (1b) explain five functions of the labelled parts (1c) discuss the mechanism of hearing and balance

2a. Describe the organ of smell (2b)state five functions of the nose (2c) list and explain three eye defects

3a. How does the nervous system function? (3b) in a tabular form, give five differences between sympathetic and parasympathetic nervous system

4a. Draw and label the organ of sight (4b) write on the following (1) pons varolli (ii) cerebellum (iii) cerebrum (iv) pia mater (v) dura mater