First Term Examination Questions Biology SS 1 First Term Lesson Notes Week 12

Examination of the Topics Covered in the First Term

Exam Instructions for Teachers and Students

Instructions for Teachers:

1. Ensure all students understand the exam format and the importance of academic honesty.
2. Clearly explain the rules and procedures for the examination day.
3. Monitor the examination closely to prevent any form of malpractices.
4. Provide a quiet environment for the exam to help students concentrate.
5. Remind students to manage their time effectively during the exam.
6. Collect all exam papers promptly at the end of the allotted time.
7. Review the exam materials and ensure they are aligned with the topics covered.

Instructions for Students:

1. Read all instructions carefully before starting the exam.
2. Do not communicate with other students during the exam.
3. Keep your eyes on your own paper at all times.
4. Avoid bringing unauthorized materials (notes, phones) to your desk.
5. If you have a question, raise your hand and wait for the teacher’s assistance.
6. Manage your time wisely; do not spend too long on any one question.
7. Show your work where required, and make your answers clear and legible.
8. Remember, honesty is the best policy—do not engage in cheating.

Part A: Objective Questions (30 Fill-in-the-Blank Questions with Options a, b, c, or d)

1. The smallest unit of life is called a __________.
   a) Tissue
   b) Organ
   c) Cell
   d) Organism
2. __________ is the process by which plants convert sunlight into food.
   a) Respiration
   b) Photosynthesis
   c) Digestion
   d) Excretion
3. The two types of reproduction are __________ and sexual.
   a) Asexual
   b) Budding
   c) Fission
   d) Mitosis
4. The __________ cycle is important in aerobic respiration.
   a) Calvin
   b) Krebs
   c) Glycolysis
   d) Electron
5. __________ is the movement of water across a membrane.
   a) Diffusion
   b) Filtration
   c) Osmosis
   d) Absorption
6. The energy currency of cells is __________.
   a) DNA
   b) RNA
   c) ATP
   d) Protein
7. The process of removing waste from the body is called __________.
   a) Digestion
   b) Excretion
   c) Absorption
   d) Respiration
8. A zygote is formed when __________ occurs.
   a) Mitosis
   b) Fertilization
   c) Budding
   d) Fission
9. __________ are organisms that can make their own food.
   a) Autotrophs
   b) Heterotrophs
   c) Consumers
   d) Decomposers
10. __________ is a process that allows bacteria to exchange genetic material.
    a) Conjugation
    b) Binary fission
    c) Mitosis
    d) Budding
11. The __________ produces energy during cellular respiration.
    a) Nucleus
    b) Ribosome
    c) Mitochondria
    d) Chloroplast
12. __________ respiration does not require oxygen.
    a) Aerobic
    b) Anaerobic
    c) Photosynthetic
    d) Cellular
13. A __________ is a type of organism that cannot produce its own food.
    a) Producer
    b) Consumer
    c) Autotroph
    d) Decomposer
14. __________ nutrients are needed in large amounts for growth.
    a) Micronutrients
    b) Macronutrients
    c) Trace elements
    d) Vitamins
15. The basic unit of heredity is called a __________.
    a) Chromosome
    b) Gene
    c) Cell
    d) Nucleus
16. __________ is the process of breaking down food in cells.
    a) Excretion
    b) Digestion
    c) Absorption
    d) Respiration
17. A __________ is formed after fertilization.
    a) Zygote
    b) Gamete
    c) Embryo
    d) Seed
18. __________ is an example of asexual reproduction in plants.
    a) Seed formation
    b) Budding
    c) Pollination
    d) Fertilization
19. The __________ is a critical part of the respiratory process.
    a) Cytoplasm
    b) Nucleus
    c) Mitochondria
    d) Chloroplast
20. __________ refers to the balance of internal conditions in a cell.
    a) Homeostasis
    b) Metabolism
    c) Growth
    d) Development
21. __________ is the process by which water is absorbed through a membrane.
    a) Filtration
    b) Osmosis
    c) Evaporation
    d) Condensation
22. The __________ cycle is essential for producing ATP.
    a) Krebs
    b) Calvin
    c) Electron transport
    d) Glycolysis
23. __________ refers to organisms that feed on other organisms.
    a) Autotrophs
    b) Heterotrophs
    c) Decomposers
    d) Producers
24. A __________ is a basic structural unit of living organisms.
    a) Tissue
    b) Organ
    c) Cell
    d) System
25. __________ is the process that plants use to convert light energy into chemical energy.
    a) Photosynthesis
    b) Respiration
    c) Fermentation
    d) Digestion
26. __________ are responsible for carrying oxygen in the blood.
    a) Platelets
    b) White blood cells
    c) Red blood cells
    d) Plasma
27. __________ is the process of combining male and female gametes.
    a) Fertilization
    b) Pollination
    c) Conjugation
    d) Mitosis
28. The __________ is the powerhouse of the cell.
    a) Nucleus
    b) Mitochondria
    c) Ribosome
    d) Endoplasmic reticulum
29. __________ are needed in small amounts for proper body function.
    a) Macronutrients
    b) Micronutrients
    c) Fiber
    d) Proteins
30. __________ refers to the energy released during cellular respiration.
    a) ATP
    b) Glucose
    c) Oxygen
    d) Carbon dioxide

Part B: Theory Questions (30 Simple Short Answer Questions)

1. What is a cell, and why is it important for living organisms?
2. Explain the process of photosynthesis.
3. Describe the difference between asexual and sexual reproduction.
4. What role do enzymes play in biological reactions?
5. Define cellular respiration and its two main types.
6. How do autotrophs obtain their energy?
7. What is the significance of the Krebs cycle in cellular respiration?
8. Describe the process of osmosis.
9. What are gametes, and why are they important for reproduction?
10. Explain how plants can reproduce without seeds.
11. What is the function of mitochondria in the cell?
12. How do nutrients support growth in organisms?
13. Describe the waste products produced during cellular respiration.
14. What is the difference between macronutrients and micronutrients?
15. Explain the significance of genetic diversity in a population.
16. How do hormones regulate growth in plants?
17. What is excretion, and why is it important for maintaining homeostasis?
18. Describe the process of conjugation in bacteria.
19. How do environmental factors affect cellular functions?
20. What is the role of chloroplasts in plant cells?
21. Explain the importance of the cell membrane.
22. What are the differences between plant and animal cells?
23. Describe the process of fermentation and when it occurs.
24. What is a zygote, and how is it formed?
25. How does diffusion occur in living organisms?
26. What are some common forms of asexual reproduction in plants?
27. How do cells respond to external stimuli?
28. Explain the function of ribosomes in protein synthesis.
29. What are some examples of waste products in living cells?
30. Describe the role of auxins in plant growth.

Part C: True or False Questions (30 Questions)

1. A cell is the smallest living unit. (True/False)
2. Photosynthesis occurs only at night. (True/False)
3. Asexual reproduction requires two parents. (True/False)
4. The Krebs cycle occurs in the cytoplasm. (True/False)
5. Osmosis involves the movement of water only. (True/False)
6. Enzymes are used to slow down chemical reactions. (True/False)
7. All organisms are either autotrophs or heterotrophs. (True/False)
8. The nucleus contains genetic information. (True/False)
9. Anaerobic respiration does not use oxygen. (True/False)
10. A zygote is formed when two gametes fuse. (True/False)
11. Mitosis results in identical cells. (True/False)
12. The mitochondria are the powerhouse of the cell. (True/False)
13. Plant cells have chloroplasts. (True/False)
14. Genetic diversity helps populations survive changes in their environment. (True/False)
15. Cells can function without a cell membrane. (True/False)
16. Heterotrophs can produce their own food. (True/False)
17. The excretory system is responsible for removing waste. (True/False)
18. All cells undergo cellular respiration. (True/False)
19. Auxins are involved in plant growth regulation. (True/False)
20. Fermentation requires oxygen. (True/False)
21. A gamete is a reproductive cell. (True/False)
22. Micronutrients are needed in large amounts. (True/False)
23. The process of digestion breaks down food into smaller molecules. (True/False)
24. The cell wall is found in animal cells. (True/False)
25. Photosynthesis and respiration are opposites. (True/False)
26. All living organisms can reproduce. (True/False)
27. The process of growth involves cell division. (True/False)
28. Plants can reproduce through cuttings. (True/False)
29. The cytoplasm is where most cellular activities occur. (True/False)
30. Genetic material is found in the mitochondria. (True/False)

Part D: Fill in the Gaps Questions (30 Questions without Options)

1. The __________ is the basic unit of life.
2. __________ is the process by which cells obtain energy from food.
3. In plants, __________ is the process of converting sunlight into food.
4. The __________ cycle is part of aerobic respiration.
5. __________ nutrients are required in large amounts for body function.
6. A __________ is formed when an egg is fertilized by a sperm.
7. __________ are organisms that cannot produce their own food.
8. The __________ is responsible for energy production in the cell.
9. __________ is the movement of water through a semipermeable membrane.
10. The __________ cycle helps in breaking down food for energy.
11. The __________ is the outer boundary of the cell.
12. __________ is the process of removing waste from the body.
13. __________ are specialized cells that perform specific functions.
14. The __________ is where photosynthesis occurs in plant cells.
15. __________ respiration does not require oxygen.
16. The __________ is formed after fertilization occurs.
17. __________ can reproduce through processes like budding and fission.
18. The __________ contains the genetic instructions for cell functions.
19. __________ refers to the growth and development of an organism.
20. The __________ helps in regulating water movement in cells.
21. __________ refers to the breakdown of glucose for energy.
22. A __________ is produced through asexual reproduction.
23. __________ are needed in small amounts but are vital for health.
24. The __________ allows substances to enter and exit the cell.
25. __________ is important for maintaining a stable internal environment.
26. The __________ is where most metabolic reactions occur.
27. __________ is the process that helps in cell division.
28. The __________ helps in transporting nutrients in the body.
29. __________ nutrients include vitamins and minerals.
30. __________ is the term for the chemical processes that occur within a cell.

Conclusion

Be sure to answer each part of the exam honestly and thoroughly. Good luck!