Death of protoplasm is a pre-requisite for vital function like

  1. Transport of sap
  2. Transport of food
  3. Absorption of water
  4. Gaseous exchange
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Dicotyledonous leaf is also known as

(A)Dorsiventral leaf

(B)Bi-facial leaf

(C)Both A and B

(D)Isobilateral leaf

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The main parts of the lamina of the dorsiventaral leaf are

(A)epidermis

(B)mesophyll tissues

(C)vascular system

(D)All of the above

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The upper and lower surface of the dicots leaf are known as

(A)adaxial and abaxial respectively

(B)abaxial and adaxial respectively

(C)Both A and B

(D)anterior and posterior respectively

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In dicot leaf, stomata is more present on the

(A)adaxial surface

(B)abaxial surface

(C)equally on both surfaces

(D)stomata is absent

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In dicot leaf , cuticle is present on the

(A)adaxial epidermis

(B)abaxial epidermis

(C)lateral epidermis

(D)Both A and B

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The tissues present between the adaxial and abaxial epidermis are

(A)mesophyll

(B)chlorophyll

(C)vascular bundle

(D)Both A and C

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In dicot leaf, mesophyll is differentiated into

(A) palisade parenchyma

(B)spongy parenchyma

(C)prosenchyma

(D)Both A and B

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Which of the following is true for palisade parenchyma?

(A)adaxially placed

(B)elongated cells

(C)vertically and parallely placed

(D)All of the above

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Which one is true for spongy parenchyma

(A)abaxially placed to palisade parenchyma

(B)oval or round & loosely arranged cells

(C) extends to the abaxail epidermis

(D)All  of the above

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