Test Sample Welcome to your Biology 1. The major building block of an organism is... Deselect Answer Nitrogen Carbon Water Sulphur None 2. The process by which plants loss water to the atmosphere is Deselect Answer transpiration guttation translocation evaporation None 3. The formation of cilia and flagella in living cells is carried out with the help of Deselect Answer ribosome lysosome centriole plastid None 4. The food nutrient with the highest energy value is Deselect Answer protein carbohydrate lipid minerals None 5. Bilateral symmetry,cylindrical bodies and double openings are characteristic features of Deselect Answer nematodes hydra protozoa protists None 6. Mouth part adapted for piercing and sucking is found in Deselect Answer housefly grasshopper mosquito cockroach None 7. The web-feet of frogs and toads is basically for Deselect Answer leaping walking swimming mating None 8. The part of the inner ear that is responsible for hearing is Deselect Answer sacculus cochlea utriculus ampullae None 9. The changes of living organisms over generation is referred to as Deselect Answer human evolution organic evolution physical evolution chemical evolution None 10. In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr? Deselect Answer $\frac{1}{2}$ 1 2 $\frac{1}{4}$ None 11. One main feature of trees in the savanna habitat is the possession of Deselect Answer large, leathery leaves straight slender stems with branches near the top thin, smooth barks thick, corky bark None 12. Which of the following structures enables the exchange of gases in insects? Deselect Answer skin tracheae Malpighian tubules flame cell None 13. The total number of ATP produced during glycolysis is Deselect Answer 3 molecules 2 molecules 4 molecules 6 molecules None 14. Bile is a greenish alkaline liquid which is stored in the Deselect Answer gall bladder liver stomach pancreas None 15. A medium texture soil with high organic matter is Deselect Answer clay loamy humus sandy None 16. One of the following is an example of discontinuous variation Deselect Answer shape of the head blood group body complexion pointed nose None 17. The type of variation where there are no remarkable differences between the two extreme individuals is called Deselect Answer continuous variation continuous variation morphological variation discontinuous variation None 18. The transmission of diseases through contamination of food is an economic importance of Deselect Answer mosquitoes cockroaches butterflies bees None 19. Bryophyte is an intermediate group between higher algae and Deselect Answer thallophyte pteridophyte spermatophyte tracheophyte None 20. Ecological succession can result from Deselect Answer newly formed habitat habitat with abundant food habitat with space and light population of plants on a fertile land None
