Bio 114 biology practical Pass question paper

 Bio 114 biology practical 

 Objective Questions (Multiple Choice)

1. Which of the following is used to observe microscopic organisms?  

   a) Telescope              b) Microscope  

   c) Stethoscope            d) Periscope  

2. The part of the microscope that controls the amount of light reaching the specimen is called:  

   a) Eyepiece              b) Diaphragm  

   c) Objective lens               d) Stage  

3. Which of the following is a unicellular organism?  

   a) Hydra             b) Amoeba  

   c) Fern               d) Earthworm  

4. The process by which green plants make their food is called:  

   a) Respiration               b) Photosynthesis  

   c) Transpiration           d) Digestion  

5. Which of the following is a function of the root in plants?  

   a) Photosynthesis              b) Absorption of water  

   c) Reproduction               d) Transpiration  

6. The cell organelle responsible for energy production is the:  

   a) Nucleus            b) Mitochondrion  

   c) Ribosome             d) Golgi apparatus  

7. Which of the following is a vertebrate?  

   a) Spider           b) Snail  

   c) Frog              d) Earthworm  

8. The process of converting light energy into chemical energy occurs in the:  

   a) Chloroplast             b) Nucleus  

   c) Mitochondrion              d) Ribosome  

9. Which of the following is NOT a part of the cell theory?  

   a) All living things are made of cells  

   b) Cells are the basic unit of life  

   c) Cells arise from non-living matter  

   d) Cells come from pre-existing cells  

10. The instrument used to measure the growth of plants is called:  

    a) Thermometer              b) Hygrometer  

    c) Auxanometer                d) Barometer  

11. The nucleus is the control center of the cell. (True/False)  

12. All living organisms are made up of more than one cell. (True/False)  

13. Photosynthesis occurs only in the leaves of plants. (True/False)  

14. The diaphragm is part of the respiratory system. (True/False)  

15. Amoeba moves using pseudopodia. (True/False)  

16. The mitochondria are responsible for protein synthesis. (True/False)  

17. Insects have an exoskeleton made of chitin. (True/False)  

18. The human heart has three chambers. (True/False)  

19. Transpiration is the loss of water from plant leaves. (True/False)  

20. The cell wall is present in both plant and animal cells. (True/False)  

21. The process by which plants lose water through their leaves is called __________.  

22. The __________ is the basic unit of life.  

23. The __________ is the part of the microscope that holds the slide in place.  

24. The green pigment in plants that absorbs light is called __________.  

25. The __________ is the organelle responsible for protein synthesis.  

26. The process by which cells divide to produce two identical daughter cells is called __________.  

27. The __________ is the largest organ in the human body.  

28. The __________ is the part of the flower that produces pollen.  

29. The process by which organisms produce energy in the absence of oxygen is called __________.  

30. The __________ is the part of the plant that transports water and nutrients.  

Essay Questions

1a. Explain the steps involved in preparing a temporary slide of an onion peel for microscopic observation.  

1b. Describe the process of photosynthesis and its importance to living organisms.  

1c. Discuss the differences between plant and animal cells.  

2a. Explain the role of the microscope in biological studies.  

2b. Describe the adaptations of a fish to its aquatic habitat.  

2c. Discuss the importance of classification in biology.  

3a. Explain the process of osmosis and its significance in plant cells.  

3b. Describe the structure and function of the human heart.  

3c. Discuss the importance of enzymes in biological reactions.