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Chromosomes are made up of

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Important Questions on Biology

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The process of copying genetic information from one strand of DNA into RNA is termed as
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Which of the following statement is correct
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Who discovered the nucleus in the cell?
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Most viruses that infect plants possess ___.
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In meiosis, each of the four daughter cells have one set of chromosomes. Due to the randomness of the process of chromosome separation in meiosis, a larger number of chromosome combinations can form gametes. How many such chromosome combinations in the gametes are possible in case of humans, assuming there is no crossing-over taking place?
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In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells
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In typical cell divisions by mitosis and meiosis, all of the following contributes to genetic variation except :
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Which one of the following is not found in animal cells ?
 

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Which of the following is not found in prokaryotes except?
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Which of the following is/are correct statement(s)?
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Lysosome is formed from which of the following cell organelles?
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DNA, present in the nucleus, was named as 'Nuclein' by
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Which one of the following cell organelles is known as 'suicide bags' of a cell?
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Match List I with List II and select the correct answer using the code given below the lists:

List I                                       List II

(Cell Organelle)                  (Function)
A. Mitochondria             1. Photosynthesis
B. Chloroplast                2. Protein synthesis
C. Ribosomes               3. Intracellular Digestion
D. Lysosomes               4. ATP formation

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Which one of the following cell organelles contains DNA?

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Which one of the following functions is not carried out by smooth endoplasmic reticulum?

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Which one of the following cell organelles mainly functions as storehouse of digestive enzymes?
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An exception to cell theory is
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DNA synthesis occurs in which stage of cell cycle.
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What is the number of chromosomes in an individual with Turner's syndrome?