First Term Examination
Class : SSS 2
Subject : Biology
Duration : 1 Hour 30 Minutes
1. Which of the following element is required in large amounts by plants? (a) Molybdenum (b) Boron (c) Copper (d) Phosphorus
2. Which of the following pair of organization are photosynthetic? (a) Amoeba and Paramecium (b) Volvo and Rhizopus (c) Chlamydomonas and Euglena (d) Nostoc and plasmodium
3. Which of the following organism causes syphilis? (a) Mycobacterium Tuberculosis (b) Bordetelka pertussis (c) Treponema palladium (d) Clostridium tetanus
4. An effective management of natural resources to ensure their continued yield from generation may involves all the following except (a) Protection of wild life (b) Prevention of habitat destruction (c) Biological control of pests (d) Disposal of raw sewage into the sea
5 Air pollution can be reduced by the following methods except (a) Building tall factory chimney (b) Passing wastes gases through filters and absorbers (c) Using lead free petrol in car (d) Recycling tin, cans and bottles
6. The following are natural resources except (a) Rubbers (b) Soil (c) Water (d) cellophane
7. One of the properties of cells responsible for the continuity of species is (a) Growth (b) Reproduction (c) Nutrition (d) Excretion
8. Which of the following structures or organelles is used for the elimination of liquid waste in Paramecium? (a) food vacuole (b) Oral groove (c) Anal pore (d) Contractile vacuole
9. Amoeba is able to move by means of (a) Flagellum (b) Cilia (c) Pseudopodia (d) Nucleus
10. Growth may broadly be defined as (a) The increase in height of a plant (b) The increase in height of a stem (c) A permanent change in size, complexity and form of organism (d) A change in form animals
11. All the following animal have endoskeleton except (a) Pigeon (b) Lizard (c) Grasshopper (d) Tilapia
12. Which of the following is the method of asexual reproduction in yeast? (a) Binary fission (b) Bidding (c) mating (d) conjugation
13. The following practices contribute towards the conservation except (a) Afforestation (b) Deforestation (c) contour ploughing (d) Establishment of games reserves
14. Which of the following organs in mammals and s not excretory in function? (a) Liver (b) Kidney (c) Pancreas (d) Lung
15. Which of the following substance is not an excretory production in mammals? (a) Carbon dioxide (b) water. (c) faces (d) urea
16. The following life process are common to both plant and animals except (a) Respiration (b) Growth (c) Reproduction (d) Photosynthesis
17. Which of these organelles is common to body of plant and animal cell? (a) Chloroplast (b) Centriole (c) Mitochondrion (d) Pyrenoid
18. Which of the following process does not contribute towards growth? (a) Cell division (b) Cell enlargement (c) Cell differentiation (d) Cell plasmolysis
19. The example of auto tropic organisms include the following except (a) Euglena (b) Chlamydomonas (c) Hydra (d) Spirogyra
20. Which of the following feeds both autotrophically and heterotropically? (a) Hydra (b) Paramecium (c) Mucor (d) Euglena
Section B : Theory
Answer Question One (1) and any other two (2) questions..
1a. Define Excretion.
1b. State organisms with their excretory organs.
1c. State one function of each of the following :
i. Mitochondria ii. Cilia iii. Ribosome
2a. Define Respiration
2b. Mention two (2) importance of respiration to animals.
2c. State two organisms and its respiratory organ.
3a. Define skeleton.
3b. Explain the types of skeleton with examples.
3c. List four (4) examples of macro elements.
4a. Define Cellular Respiration.
4b. State three (3) differences between aerobic and anaerobic respiration.
5a. What is reproduction?
5b. Explain two (2) importance of breast feeding.
5c. State two (2) differences between sexual and asexual reproduction.