Question

Q. 1. (a) Name the following :
[5] (i) Condition in which both the alleles are identical.
(ii) The process of uptake of minerals ions against the concentration gradient using energy from cell.
(iii) The stain used to prepare the onion peel slide.
(iv) The process in which water is lost in the form of water droplets. .
(v) The wax like layer on the epidermis of leaves which reduces transpiration.


(b) Choose the correct answer from the options given below: [5] (i) The cell component visible only during cell division : A. Mitochondria B. Chromosome C. Chloroplast
(ii) With decrease in atmospheric pressure, the rate of transpiration will : A. Increase B. Decrease rapidly C. Remains the same
(iii) The specific function of narrow leaves in the process of transpiration is to : A. Reduce excessive loss of water B. Prevent loss of water C. Increase turgor pressure
(iv) What is responsible for guttation : A. Osmotic pressure B. Root pressure C. Capillarity
(v) Chromosomes get aligned at the equator of the cell during : A. Metaphase B. Anaphase C. Prophase

(c) Rewrite and complete the second pair on a similar basis :
[5] (i) Animal cell : furrowing :: plant cell : ____
(ii) Cytoplasm : Cytokinesis :: Nucleus : ______
(iii) Osmosis : cellophane paper :: Transpiration : _______
(iv) Transpiration : stomata :: Guttation : _______
(v) Monohybrid cross : 3 : 1 :: Dihybrid cross : _______


(d) Match the items in Column A with those which are most appropriate in Column B. Rewrite the matching pairs :
[5] Column A Column B
(1) A non dividing phase (a) Meiosis
(2) Asexual reproduction. (b) Mitosis
(3) Sickle cell anaemia. (c) Centromere (4) Pollen Grain. (d) Interphase
(5) Chromosomes (e) M phase. (f) Mutation​

Answer 1

Answer:

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Answer 2

Answer:

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