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Describe the structure of the chromosome in brief.
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Give one main function of the following:
Chloroplast
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Fill in the blank with a suitable word:
The single-celled alga ______ measures 10 cm in length.
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Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
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Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
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Fill in the blank with a suitable word:
______ controls all the metabolic activities of the cell.
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Match the items in column A with the appropriate items in column B:
| column A | column B |
| 1. Platform or workplace for the synthesis of proteins | a. Golgi complex |
| 2. A powerhouse of cells | b. Ribosomes |
| 3. Help in the formation of cell plate during cell division | c. Chloroplast |
| 4. Site for photosynthesis | d. Mitochondria |
| 5. Control tower of cell | e. Chromosomes |
| 6. A structure bearing genes | f. Nucleus |
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Who studied the cell first?
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Which is the longest human cell?
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Name the longest cell.
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Where is energy stored in a cell?
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Which is the smallest cell?
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the question has four options. Choose the correct answer:
Cell theory states
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the question has four options. Choose the correct answer:
Chromosomes are made up of
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the question has four options. Choose the correct answer:
Mitochondria were first seen by
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the question has four options. Choose the correct answer:
The word cell was given by
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the question has four options. Choose the correct answer:
The cell was discovered by
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Write in detail the structure of a typical flower studied by you with the help of a labelled diagram.
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Define the following term and mention its main functions:
Incomplete flower
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What is the significance of flowers in the plant?
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