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Write the functional activity of the following structure:
DNA
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Multiple Choice Question
DNA structure was discovered by:
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Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Potometer is an instrument, used for measuring the rate of transpiration
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State the Location: Thylakoid
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State the Location: Stomata
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State the Function: Vitamin K
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The structural and functional unit of the kidney is ______.
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Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Xylem, Soil water, Cortical cells, Root hair.
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Expand the abbreviation - DNA.
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Which one of the following helps in the opening of stomata?
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Adjusting the focal length of the eye lens to view objects at different distances is done by ______.
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Mention two adaptations in roots for absorption of water from the soil.
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Write any two limitations of using a Ganong's potometer to demonstrate the uptake of water.
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Sam observed a slide containing the lower epidermis of a leaf under a microscope. A number of tiny openings between the epidermal cells were present as shown below in the diagram:
What are these tiny openings called?
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Sam observed a slide containing the lower epidermis of a leaf under a microscope. A number of tiny openings between the epidermal cells were present as shown below in the diagram:
Name the cells that regulate the opening and closing of the structures.
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Sam observed a slide containing the lower epidermis of a leaf under a microscope. A number of tiny openings between the epidermal cells were present as shown below in the diagram:
Which ion is responsible for the opening and closing of the openings?
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Mention one characteristic of roots for absorbing water from the soil.
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Which of the following is a living, semi-permeable membrane?
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The apparatus used to measure the rate of transpiration is ______.
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Match the terms given in column A with column B:
| Column A | Column B | ||
| (a) | Hydathodes | (i) | Photosynthesis |
| (b) | Stomata | (ii) | Respiration |
| (c) | Cuticle | (iii) | Regulates opening and closing of stomata |
| (d) | Lenticels | (iv) | Reduces loss of water |
| (e) | Guard cells | (v) | Guttation |
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