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Multiple Choice Question:
Karyokinesis is the division of
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Multiple Choice Question:
The nuclear membrane disappears in
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Multiple Choice Question:
The nuclear membrane and nucleolus become indistinguishable during
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Write the functional activity of the following structure:
Colchicine
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Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the terms in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Anaphase | (a) Chromosomes become arranged in a horizontal plane at the equator. |
| (ii) Prophase | (b) Daughter chromosomes move to opposite poles of the spindle. |
| (iii) Telophase | (c) Chromosomes become visible as fine, long threads. |
| (iv) Metaphase | (d) Chromosomes lose their distinctiveness and gradually become transformed into chromatin network. |
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The karyotype (set of chromosomes) shown below is taken from a dividing cell in a certain individual.
(i) Is the individual male or female? Explain your answer.
(ii) How would you expect
(a) a female cell and
(b) sperm cell to differ in chromosome composition?
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Differentiate between:
Turgid and Flaccid.
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Differentiate between the following
Turgor pressure and Root pressure
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Differentiate between the following:
Plasmolysis and Deplasmolysis.
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The below diagram represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Cell wall
2. Plasma membrane.
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow :
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of a strong sugar solution which features: would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.
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Give Technical Term for the following.
A cell in a fully extended condition.
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Give Technical Term for the following.
The pressure exerted by cell contents on a plant cell wall.
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Name the following:
The process by which wilting or drooping of leaves occurs.
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Name the following:
The condition in which the contents of a cell exert pressure against the cell wall making it distended.
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Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Flaccidity is the reverse of turgidity.
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Fill in the Blank
The condition opposite to turgid is ___________.
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Fill in the Blank
Wilting and drooping of leaves is due to loss of ________.
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Multiple Choice Question:
When cell is fully turgid, which of the following will be zero?
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