CTET Solved Paper - RTET Feburary 2011 Paper2
121. In a typical plant cell the position of nucleus is
- Option : B
- Explanation : Peripheral concerned with relatively minor or near surface or outside of external.
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122. Which of the following cell organelles is known as power house of the cell?
- Option : D
- Explanation : Mitochondria is the power house of the cell.
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123. The longest stage of mitosis is
- Option : A
- Explanation : Prophase is the longest stage of mitosis because most of the process occur in it.
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- Option : A
- Explanation : Polio; also known as Poliomyelitis is a highly contagious disease caused by a virus that attacks the nervous system.
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125. Which of the following deficiencies in food causes nightblindness disease?
- Option : C
- Explanation : Nightblindness is caused by vitamin A deficiency. It is a disorder of the cells in the retina.
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