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