1. The following organisms are pests of plants exceptA. birds. B. nematodes. C. bacteria. D. rodents. 2. The use of predators or parasites to control pests in the farm is known as A. predator control. B. chemical control, C. biological control. D. animal control. 3. Which of the following is…

1. Which of the following natural resources is non-renewable? A. Water. B. Coal. C. Forest. D. Air. 2. Which of the following statements is not a reason for banning bush burning? It A. allows for quick regrowth of grasses. B. kills soil microorganisms. C. leaves the soil bare of vegetation.…

OBJECTIVES Use the substances listed below to answer questions 1 & 2. I. Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide. 1. The atmosphere can be polluted by A. I only. B. Ill only. C. IV only. D. II and V only. 2. Which of the substances…

OBJECTIVES 1. Special modification which enable an organism to survive in its habitat is known as A. adaptation. B. tolerance. C. mimicry. D. colouration. 2. The inability of an organism to adapt to its habitat can lead to A. dormancy. B. adaptation. C. extinction. D. survival. 3. An animal which…

OBJECTIVES 1. Squirrels easily kill some trees because A. they inject poisonous substances into the trees. B. most trees are susceptible to squirrel bites. C. they feed voraciously on the roots. D. they gnaw the bark and destroy the phloem. 2. Which of the following organisms is an endo-parasite? A.…

OBJECTIVES 1. The part of a leguminous plant where bacteria like Azotobacter can be found is A. at the nodes of the stem. B. at the internodes. C. in the root nodules. D. in the spongy mesophyll. 2. What is the benefit of thunder and lightning to farmers? A. Addition…

1. The diagrams below are parts of a human lung. Which of the labelled parts is diagram Z taken from? A. II. B. III. C. IV. D. V. 2. In the adult frog gaseous exchange takes place through the A. buccal cavity, skin and lungs. B. buccal cavity, skin and…