Coordination questions | form three Biology

The sense organ used for touching is

• Eye
• Tongue
• Skin
• Hand

How is accomodation brought about in a human eye?

Arrange the following components of the reflex arc in the correct order.

• Intermediate neurone
• Motor neurone
• Receptor
• Sensory neurone
• Effector

A person picks up a telephone after hearing it ringing. Which characteristics of living things is the person showing by this action?

• Excretion and reproduction
• Respiration and growth
• Irritability and movement
• Respiration and nutrition
• Response and irritability

.The situation in which a person is unable to see far distance, this condition is called.,

• Hypermetropia
• Presbyopia
• Myopia
• Convex lens

Study the following diagram on the stucture of a nerve cell and answer the questions that follows

• Name the parts labeled A, B, C and D
• Where does the neurone in the figure above carry impulses to?
• Name two other types of nerve cells found in the nervous system of vertebrates and state their functions.

State four differences between nervous communication and endocrine communication

Name the five sense organs and their functions

A neurone that carries sensory information towards the central nervous system is called ?

1. Interneurone
2. Efferent neurone
3. Afferent neurone
4. Motor neurone
5. Relay neurone

The diagrams in Figures 1 and 2 represent sideand front views of a human eye in two different light intensities

1. Name the parts labeled A, B, C and D
2. which diagram represents the eye in bright light and which represents it in dim light? Give reasons.