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Nupoor1234
Nupoor1234
@nupoor1234
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Joined: Jan 25, 2021
Last seen: May 7, 2021
Topics: 0 / Replies: 2002
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Answer to: Distinguish between prokaryotes and eukaryotes.

Prokaryotes: (i) The organisms having prokaryotic cells are called prokaryotes. (ii) In prokaryotes, there is no nuclear membrane in cells. (iii...

5 years ago
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Answer to: Tomatoes are red and leaves are green. Why?

Tomatoes are red because of chromoplasts in their cells. Leaves are green because of chloroplasts in their cells.

5 years ago
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Answer to: Name the largest and the smallest cells in the living world.

Largest – Ostrich’s egg. Smallest – PPLO (Pleuro Pneumonia Like Organisms).

5 years ago
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Answer to: Why are plant cells more rigid in shape than animal cells?

Plant cells are more rigid in shape than animal cells due to the presence of cell wall.

5 years ago
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Answer to: Name any three elements which form major part of protoplasm.

Protoplasm is made up of compounds of carbon, hydrogen, nitrogen and oxygen.

5 years ago
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Answer to: Draw diagrams to show the difference between plant cell and animal cell.

The difference between plant cell and animal cell.  2s.png

5 years ago
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Answer to: Give the functions of cell wall.

It provides rigidity to the cell wall. It provides protection against plant viruses and pathogens.

5 years ago
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Answer to: Name the organelle known as “suicide bags”? Why is it called so?

Lysosomes are known as suicide bags. They contain enzymes which help in breaking down or destroying the various materials.

5 years ago
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Answer to: What features are possessed by both plant cells and animal cells?

All plant and animal cells have three parts - cell membrane, cytoplasm and nucleus.

5 years ago
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Answer to: Name an organ system in the human body and the major organs that make up that system.

Organ system - Digestive system. It is made up of organs such as intestines, liver, stomach, pancreas, gall bladder.

5 years ago
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Answer to: Differentiate between an organ and a system.

Several different types of tissues that work together to perform one or more life activities is known as an organ. An organ system is a group of org...

5 years ago
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Answer to: What is the difference between tissue and organ?

Group of cells of the same type make up the different tissues of the organisms, e.g., muscle tissue. Several different types of tissues together for...

5 years ago
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Answer to: What are the “building blocks of life”? Why are they so called?

Cells are building blocks of life because all living things are made up of one or more cells.

5 years ago
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Answer to: Are the cells of an elephant larger than cells of a rat?

No, the size of the cell has no relation with the size of the body of the animal or plant.

5 years ago
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Answer to: Why are mitochondria known as the “power house of the cell”?

Mitochondria is known as the power house of the cell because they perform the function of respiration and provide the cell with energy.

5 years ago
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Answer to: What is a cell? Name the longest cell in human body. Draw its diagram also.

All organisms are made of basic units known as Cell. Nerve Cell is the longest cell in human body.  2s.png

5 years ago
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Answer to: Name the basic structural and functional unit of life.

Cell the basic structural and functional unit of life.

5 years ago
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Answer to: Which cells in our body grow and divide all through life?

The cells of the skin grow and divide all through the life.

5 years ago
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