General Biology I — 2022 Past Questions

University of Ilorin BIO101: 41 questions.

Topics: Functions of cellular organelles, Cell structure and organisation, Characteristics and classification of living things, Interrelationships of organisms, Elements of ecology and types of habitat, Chromosomes, genes, their relationships and importance, General reproduction

1. Which of the following is not an organ of a plant?
   1. Epidermis
   2. Stomata
   3. Lenticels
   4. Cuticle
2. Who discovered the ribosome?
   1. Robert Hooke
   2. George Palade
   3. Anton van Leeuwenhoek
   4. Rudolf Virchow
3. Who was the first scientist to discover the cell?
   1. Robert Hooke
   2. Anton van Leeuwenhoek
   3. Matthias Schleiden
   4. Theodor Schwann
4. A cytologist can also be called?
   1. Biochemist
   2. Cell biologist
   3. Geneticist
   4. Microbiologist
5. Which of these is not found in prokaryotic cells?
   1. None of the options
   2. Lysosomes
   3. Nucleus
   4. Endoplasmic reticulum
6. The types of endoplasmic reticulum are?
   1. Smooth & rough
   2. Straight & curved
   3. Smooth & linear
   4. Rough & curved
7. Which of the following is not a major excretory product of plants?
   1. Water Vapour
   2. CO2
   3. Excess water
   4. Water
8. Which of the following is not involved in the movement of water molecules through root hairs?
   1. Transpiration
   2. Osmosis
   3. Cohesive and adhesive forces
   4. Diffusion
9. Eukaryotic cells are contained in which of the following organisms?
   1. Plants and animals
   2. Protista
   3. Fungi
   4. All of the above
10. What is the function of the nucleus?
    1. Coordination of cellular activities
    2. Powerhouse of the cell
    3. Site for protein synthesis
    4. Transport of materials
11. Translocation is the process by which?
    1. Xylem transports water upward
    2. Products of photosynthesis are transported through phloem
    3. Phloem transports water
    4. Xylem transports the product of photosynthesis
12. Which of the following is the most appropriate definition of excretion?
    1. Excretion is the removal of wastes from the body
    2. Excretion is the removal of waste products of metabolism and other non-useful products from the body
    3. Excretion is the removal of waste products of metabolism
    4. Excretion is the process of removing wastes
13. Respiration takes place in the cytoplasm of?
    1. Prokaryotes
    2. Plants and Animals
    3. None
    4. Cells
14. Which of these is responsible for intracellular digestion?
    1. Ribosome
    2. Vacuoles
    3. Golgi body
    4. Lysosome
15. Transportation of water and dissolved nutrients from the root is done?
    1. Radially
    2. Laterally
    3. Upwards
    4. None of the above
16. Organisms that are made up of an aggregate of cells are?
    1. Unicellular
    2. Conjugate
    3. Multicellular
    4. Biocellular
17. Those who study cell division, also known as cytology, are called?
    1. Embryologist
    2. Cell biologist
    3. None of the above
    4. Musician
18. Which of these is not membrane-bound?
    1. Endoplasmic reticulum
    2. Ribosome
    3. Nucleolus
    4. Mitochondria
19. Which is part of the protein cytoskeleton?
    1. Microtubules
    2. Microfilament
    3. Intermediate filament
    4. All of the above
20. Which of the following are double membrane-bounded organelles?
    1. Endoplasmic reticulum
    2. Golgi body
    3. Mitochondria
    4. Chloroplast
21. Blue-green algae are?
    1. Prokaryotic
    2. Eukaryotic
    3. None of the above
    4. All of the above
22. The cell wall contains?
    1. Proteins
    2. Starch
    3. Cellulose
    4. Lipids
23. When was the cell theory stated?
    1. 1829
    2. None of the above
    3. 1839
    4. All of the above
24. Prokaryotes lack ____
    1. Nucleus
    2. Lysosomes
    3. Mitochondria
    4. Endoplasmic reticulum
25. The outer boundary of the cell is ____
    1. Plasma membrane
    2. Nuclear membrane
    3. None of the above
    4. Cytoplasm
26. Organisms with a single chromosome that reproduce by fission or budding are called?
    1. Prokaryotes
    2. Bacteria
    3. Algae
    4. None of the above
27. Which of the following has a single membrane?
    1. Nucleus
    2. Endoplasmic reticulum
    3. Ribosome
    4. Lysosome
28. Which egg is the biggest?
    1. Ostrich egg
    2. Lizard egg
    3. Duck egg
    4. Hen egg
29. ___ regulates the movement of materials in and out of the cell?
    1. Plasma membrane
    2. Cytoplasm
    3. Nucleus
    4. Cell wall
30. Who concluded that cells come from pre-existing cells?
    1. Robert Hooke
    2. Rudolf Virchow
    3. Theodor Schwann
    4. Matthias Schleiden
31. Which of the following is a plastid?
    1. Chloroplast
    2. Chromoplast
    3. Leucoplast
    4. None of the above
32. The cytoplasm can also be called?
    1. Nuclear membrane
    2. Plasma membrane
    3. All of the above
    4. None of the above
33. In chemiosmosis, which is the co-efficient gradient?
    1. Na+
    2. H+
    3. O2
    4. None of the above
34. Which of the following are double membrane-bound organelles?
    1. Lysosome, Golgi bodies
    2. Mitochondria, Chloroplast, Nucleus
    3. Lysosome, ER
    4. None of the above
35. During respiration, which of the following is false?
    1. Potential energy is converted to kinetic energy
    2. Kinetic energy is converted to potential energy
    3. Oxygen is absorbed
    4. CO2 is released
36. Which of the following contains genetic material?
    1. Cytoplasm
    2. Nucleus
    3. None of the above
    4. All of the above
37. Living organisms can only survive through?
    1. Narrow range temperature
    2. Wide range temperature
    3. None of the above
    4. All of the above
38. The cell membrane is majorly composed of?
    1. Carbohydrates only
    2. Carbohydrates & proteins
    3. Proteins & lipids
    4. Lipids & carbohydrates
39. Which of the following is not multicellular?
    1. Animal
    2. Human
    3. Plant
    4. Bacteria
40. What is the function of ice floating on water?
    1. To maintain topography
    2. To preserve the organisms living at the bottom of the ocean
    3. To prevent evaporation
    4. To maintain salinity
41. The integral part of the cytoplasm is known as?
    1. Cytosol
    2. Nucleoli
    3. Nucleus
    4. All of the above

Register free to unlock all 41 questions with answers and explanations