Characteristics of Living Things MR NIGER D

1. The solar system consists of the sun, the planets, and the _________ Answer: (a) satellites
2. _________ is also known as the dwarf planet Answer: (b) Pluto
3. The third planet in the solar system is called the _________ Answer: (a) Earth
4. The Earth rotates on its own axis once every ________ hours Answer: (c) twenty-four
5. Environmental changes are likely caused by rampant _______ Answer: (a) human activities
6. All the following are examples of natural disasters except ____ Answer: (a) afforestation
7. The _______ vessels carry blood to and fro the heart in the body system Answer: (b) blood
8. The circulatory system is also known as the _____ system of the body because it moves oxygenated blood around the whole body Answer: (a) transport
9. The names of gaseous elements that we breathe in and out are _____ and _____ respectively Answer: (b) oxygen and carbon dioxide
10. The digestive system is made up of the mouth, the, the gullet, the small intestine, and the _____ Answer: (a) large intestine
11. The process whereby food particles are broken down into smaller particles for easy absorption by the body is known as _____ Answer: (a) digestive system
12. The actual assimilation and absorption of food takes place in the _____ Answer: (c) small intestine
13. The skeletal bone that protects the brain is called the _____ Answer: (b) skull
14. ______ is the process whereby living organisms produce young ones that look like their parents. Answer: (a) Reproduction
15. Red, blue, and yellow are examples of _____ colors Answer: (b) Primary
16. The mixture of red and blue in equal quantity will give us color ____ Answer: (a) green
17. ______ resources are God’s given materials that can further be reproduced by man to make life easier and better. Answer: (a) Natural
18. Examples of ______ materials are pencils, drawing board, and ruler. Answer: (b) drawing
19. There are ____ planets in the solar system Answer: (a) eight
20. The mixture of primary colors will produce _____ colors Answer: (c) secondary

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Theory Questions

1. (a) Digestion of food is the process in which complex food substances are broken down into simpler, soluble substances that can be absorbed and used by the body. (b) The organs involved in the digestion of food include the mouth, the stomach, the small intestine, and the pancreas.
2. (a) The Human Circulatory System is a network of blood vessels and the heart that circulates blood throughout the body, providing oxygen and nutrients to cells and removing waste products. (b) The four chambers of the heart are the left atrium, the left ventricle, the right atrium, and the right ventricle.
3. The planets in the solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
4. The acronym “MR NIGER D” is often used to remember the characteristics of living things. Each letter stands for a characteristic:

M – Movement: Living things can move on their own or exhibit some form of motion.

R – Respiration: Living organisms undergo respiration, which is the process of obtaining energy from food.

N – Nutrition: Living things require food or nutrients for energy and growth.

I – Irritability: Living organisms can respond to stimuli or changes in their environment.

G – Growth: Living organisms grow and develop over time.

E – Excretion: Living things produce waste products that need to be removed from their bodies.

R – Reproduction: Living organisms can reproduce and produce offspring.

D – Death: All living things have a finite lifespan and eventually die.

These characteristics collectively help define what is considered a living organism.

First Term Examination Basic Science Primary 6