- 1. The process by which water molecules escape into the atmosphere when heated is called?
A) condensation
B) evaporation
C) distillation
D) filtration
- 2. The movement of water molecule from a region of higher concentration to a region of lower concentration through a semi-permeable membrane is called ______ ?
A) diffusion
B) condensation
C) osmosis
D) distillation
- 3. The movement of molecules from a region of higher concentration to a region of lower concentration is known as ___________ ?
A) osmosis
B) condensation
C) diffusion
D) distillation
- 4. The male sex cell is produced from ________________ ?
A) scrotum sac
B) urethra
C) penis
D) testicles
- 5. The new cell formed by the union of male and female sex gametes is known as a _____________
A) baby
B) zygote
C) embryo
D) foetus
- 6. The union of male and female sex cell is called ____________
A) baby
B) foetus
C) fertilization
D) embryo
- 7. In plant, photosynthesis occurs in _______________
A) chloroplast
B) ribosome
C) cytoplasm
D) nucleus
- 8. The green pigment found in plants leaves is __________
A) cell wall
B) chloroplast
C) cellulose
D) chlorophyll
- 9. What type of energy is required to activate photosynthesis?
A) translational
B) thermal
C) kinetic
D) light
- 10. The leaf has a broad surface because_________
A) it can absorb lots of oxygen
B) it allows space for insects to land
C) it has a large surface area to absorb light
D) it enables the plants to control its temperature
- 11. The hottest layer of the Earth’s atmosphere is ____
A) stratosphere
B) troposphere
C) exosphere
D) thermosphere
- 12. The coldest layer of the Earth’s atmosphere is known as the _______
A) exosphere
B) stratosphere
C) mesosphere
D) troposphere
- 13. The amount of oxygen present in water is an indication of the ______
A) healthiness
B) strongness
C) dirtiness
D) neatness
- 14. The coast of Nigeria is one of the endangered environments in the world due to __________.
A) huge water
B) recreational activities
C) oil spillage
D) heavy
- 15. Man belongs to a group of animals called ________ .
A) primitives
B) monera
C) primates
D) kingdom
- 16. Changes in non-living things are classified into _____ and _______ changes.
A) skeletal and muscular
B) physical and chemical
C) growth and maturity
D) reversible and non-reversible
- 17. The _________ make up more than one -half of our total body weight.
A) skeletal and muscular
B) respiratory
C) circulatory
D) digestive
- 18. The two types of muscles are ____ .
A) tendons and cartilage
B) thick and soft
C) posterior and anterior
D) voluntary and involuntary
- 19. Food gets into our blood stream through the special structures called ______ in the wall of intestine.
A) artery
B) villi
C) vein
D) aorta
- 20. The main parts of the circulatory system include the following except ______
A) capillaries
B) veins
C) villi
D) arteries
- 21. The following except one form the respiratory system.
A) lungs
B) trachea
C) bronchi
D) neck
- 22. The stage in life at which the reproductive organs mature is called ________ .
A) adult
B) child
C) old age
D) puberty
- 23. _________ is the definite temperature at which the liquid state of matter changes to gaseous state.
A) selling point
B) sublimation
C) boiling point
D) vaporization
- 24. Clotting of blood occurs by the activities of ______.
A) red blood cell
B) plasma
C) platelets
D) serum
- 25. Diseases can be prevented by adequate sanitation and _________.
A) commemoration
B) internalisation
C) immunization
D) demoralisation
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