Question

are please mujhe important MCQ ya notes de doo 9th class Ki biology Ka Ch 5 the fundamental unit of life​

Answer 1

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
• Anton Von 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 structurally 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

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Answer 2

Answer:

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