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