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