Biology - Mock Test 183

Question 1821

Which of the following is a food systhesising tissue?

A) Chlorenchyma B) Sclerenchyma C) Chornchyma D) Aerenchyma

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Question 1822

Radial V.B are found in?

A) Leaf B) Stem C) Flower D) Root

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Question 1823

Safranin stains?

A) Thick walled cells B) Lignified cells C) Suberized cells D) Living cells

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Question 1824

Which of the following element of xylem is living?

A) Trachaea B) Tracheids C) Parenchyma D) fibres

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Question 1825

Sieve tuabe is characterized by?

A) Presence of lignin B) Absence of Cytoplasm C) Presence of Pectin D) Absence of Nuclens

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Question 1826

Which type of thickening is found in protoxylem?

A) Reticulated B) Spiral C) Pitted D) Sclariform

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Question 1827

The element of xylem in which end walls are absent are called?

A) Protoxylem B) Tracheids C) Metaxylem D) Trachaea

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Question 1828

Companion calls are found in?

A) Xylem B) Stomata C) Phloem D) Endodermis

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Question 1829

Cuticle is always present on the surface of?

A) Root B) Leaf only C) Stem only D) Leaf and stem both

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Question 1830

Sclereids are also known as?

A) Accessory cells B) Companian cells C) Stone cells D) Guard cells

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