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