The organell present in the centre of the cheek cell is
A) Mitochondria
B) Golgi
C) Nucleus
D) Ribosomes
1 Answers
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For which of the following objects will the centre of mass NOT be at their geometrical centre?
Correct answer is (D) All, (I), (II) and (III).
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Why do we need to know the centre of mass of an object? For which objects, its position may differ from that of the centre of gravity?
1. Centre of mass of an object allows us to apply Newton’s laws of motion to finite objects (objects of measurable size) by considering these objects as point objects. 2. For...
2 Answers 2 views
1. Smallest cell 2. Longest cell in animals 3. Largest cell
1. Mycoplasma (0.3 µm) 2. Nerve cell 3. Ostrich egg
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1. Smallest cell 2. Longest cell in animals 3. Largest cell
2 Answers
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Define centre of gravity of a body. Under what conditions the centre of gravity and centre of mass coincide?
1. centre of gravity of a body is the point around which the resultant torque due to force of gravity on the body is zero. 2. The centre of mass coincides...
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Name the cell organell that regulates and controls all the functions of a cell.
Correct option is D) Nucleus
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This cell organell contains destructive enzymes. A) Chloroplast
Correct option is D) Lysosomes
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Which one of the following statements is correct about the onion peel cells and cheek cells that we observed under microscope ?
A) Onion cells has cell wall and cell membrane
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1. A cell is the smallest unit of life. 2. Nerve cell is the longest cell. 3. Prokaryotes were the first form of life on earth
1. True 2. True 3. True 4. True 5. True
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Which cell organelle is present in both prokaryotic and eukaryotic cell?
(a) Ribosome
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