MEDIUM
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IMPORTANT
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The given figure is present in

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Important Questions on Anatomy of Flowering Plants

EASY
NEET
IMPORTANT
The given figure shows which of the following cells?
MEDIUM
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IMPORTANT
Match column I with II and select the correct option from the given codes.
  I   II
(a) Vessels (i) Cells are living, with thin cellulosic cell walls
(b) Tracheids (ii) Cells possess highly thickened walls with an obliterated central lumen
(c) Xylem fibres (iii) Individual members are interconnected through perforations in their common walls
(d) Xylem parenchyma (iv) Elongated tube-like cells with thick, lignified walls and tapering ends
MEDIUM
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IMPORTANT
Match the scientists in column I with the related terms coined by them in column II and select the correct option from the given codes.
  I   II
(a) N. Grew (i) Hadrome and leptome
(b) Nageli (ii) Tissue
(c) Haberlandt (iii) Quiescent centre
(d) Clowes (iv) Term meristem
MEDIUM
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Three types of tissue system have been recognised in plants on the basis of their functions. Select the correct option regarding this.
MEDIUM
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IMPORTANT
Identify the plants (from the list i - vi) which possess the given type of guard cells (as shown in the diagram) in their leaves.

(i) Grass
(ii) Tomato
(iii) Banana
(iv) Brinjal
(v) Soybean
(vi) Lily
EASY
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IMPORTANT
Select the mismatched pair.
(i) Root hair Unicellular
(ii) Stem hair Multicellular
(iii) Trichomes Cause water loss
(iv) Guard cells Regulate opening and closing of stomata

 

HARD
NEET
IMPORTANT
Which of the following causes almost unbearable irritation of the skin?