Class 9 Biology Chapter 5 Fundamental Unit of Life - MCQs

Class 9 Chapter 5 Fundamental Unit of Life – MCQs

1. Which plastids are colourless?
   1. Chromoplasts
   2. Chloroplast
   3. Leucoplasts
   4. All of the above
   5. None of the above
2. An unripe green fruit changes colour when it ripens. The reason being:
   1. Chromoplasts changes to chlorophyll
   2. Chromoplasts changes to chromosomes
   3. Chromosomes changes to chromoplasts
   4. Chloroplast changes to chromoplasts
   5. None of the above
3. The phenomenon where cytoplasms shrink in a hypertonic medium is called:
   1. Frontolysis
   2. Plasmolysis
   3. Acidolysis
   4. Allolysis
   5. None of the above
4. ________ is called the energy currency of the cell
   1. Endoplasmic reticulum
   2. Oxygen
   3. ATP
   4. Mitochondria
   5. None of the above
5. ________ is called the powerhouse of the cell
   1. Mitochondria
   2. ATP
   3. Lysosomes
   4. Red blood cells
   5. None of the above
6. ________ coined the term “cell.”
   1. Gorbachev
   2. Himmler
   3. Robert Hooke
   4. Antonie van Leeuwenhoek
   5. None of the above
7. Which of the following statements is incorrect? 
   1. Cytoplasm is also known as protoplasm
   2. Lysosomes are known as the suicide bags of the cell
   3. Mitochondria has its own DNA
   4. All of the above are incorrect
   5. None of the above
8. Which of the following is not a function of the vacuole in plants?
   1. They store toxic metabolic wastes
   2. They help with the process of cell division
   3. They help to maintain turgidity
   4. They provide structural support
   5. None of the above
9. Where are the essential proteins and lipids required for cell membrane, manufactured?
   1. Lysosome
   2. Chromosomes
   3. Endoplasmic reticulum
   4. Mitochondria
   5. None of the above
10. The process by which water moves through a semi-permeable membrane from a region of high concentration to a region of lower concentration, thereby equalizing water concentration is called:
    1. Evaporation
    2. Diffusion
    3. Osmosis
    4. All of the above
    5. None of the above

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