Biology - Mock Test 173

Question 1721

Leaves are attached to the stem at ?

A) Apical meristem B) Internode C) Nodes D) Axillary meristem

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Question 1722

In one of the following the stem performs the function of storage and propagation?

A) Ginger B) Wheat C) Radish D) Groundnut

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Question 1723

Winged petiole is found in?

A) citrus B) acacia C) radish D) peepal

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Question 1724

Roots are differentiated into adventitious roots by their?

A) Function B) appearance C) place of origin D) position

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Question 1725

Sweet potato is a modification of?

A) Primary root B) leaf C) underground root D) Adventitious root

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Question 1726

Some plans have rhizome and roots as underground structures. Which characteristics of rhizome would distinguish them from roots?

A) Rhizomes are thicker than roots. B) Rhizomes have scaly leaves C) Rhizome are thinner than roots D) None of the above

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Question 1727

Potatoes are borne on ?

A) Primary roots B) axil of scaly leaves C) Lateral roots D) Adventitious roots

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Question 1728

Epiphytic roots are found in?

A) Indian rubber B) Orchid C) Tinospora D) Cuscuta

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Question 1729

Form which pont of root, root hairs develop ?

A) Region of maturation B) Region of elongation C) Meristematic region D) Region of root cap

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Question 1730

Food present in bulbil occurs in?

A) Root B) Stem C) Leaf base D) Petioles

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