- 1. The process by which water molecules escape into the atmosphere when heated is called?
A) distillation
B) filtration
C) evaporation
D) condensation
- 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) diffusion
B) condensation
C) distillation
D) osmosis
- 4. The male sex cell is produced from ________________ ?
A) testicles
B) urethra
C) penis
D) scrotum sac
- 5. The new cell formed by the union of male and female sex gametes is known as a _____________
A) zygote
B) foetus
C) baby
D) embryo
- 6. The union of male and female sex cell is called ____________
A) fertilization
B) baby
C) embryo
D) foetus
- 7. In plant, photosynthesis occurs in _______________
A) nucleus
B) cytoplasm
C) chloroplast
D) ribosome
- 8. The green pigment found in plants leaves is __________
A) cell wall
B) chlorophyll
C) chloroplast
D) cellulose
- 9. What type of energy is required to activate photosynthesis?
A) translational
B) kinetic
C) light
D) thermal
- 10. The leaf has a broad surface because_________
A) it enables the plants to control its temperature
B) it allows space for insects to land
C) it has a large surface area to absorb light
D) it can absorb lots of oxygen
- 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) exosphere
B) mesosphere
C) stratosphere
D) troposphere
- 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) oil spillage
B) heavy
C) recreational activities
D) huge water
- 15. Man belongs to a group of animals called ________ .
A) monera
B) kingdom
C) primates
D) primitives
- 16. Changes in non-living things are classified into _____ and _______ changes.
A) physical and chemical
B) reversible and non-reversible
C) skeletal and muscular
D) growth and maturity
- 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) thick and soft
B) voluntary and involuntary
C) posterior and anterior
D) tendons and cartilage
- 19. Food gets into our blood stream through the special structures called ______ in the wall of intestine.
A) vein
B) artery
C) villi
D) aorta
- 20. The main parts of the circulatory system include the following except ______
A) villi
B) veins
C) capillaries
D) arteries
- 21. The following except one form the respiratory system.
A) trachea
B) neck
C) bronchi
D) lungs
- 22. The stage in life at which the reproductive organs mature is called ________ .
A) old age
B) adult
C) puberty
D) child
- 23. _________ is the definite temperature at which the liquid state of matter changes to gaseous state.
A) boiling point
B) selling point
C) vaporization
D) sublimation
- 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) immunization
B) internalisation
C) commemoration
D) demoralisation
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