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