Biology - Comprehensive Mock Test 108

Question 1071 Easy

Bulbils take part in ?

A) Sexual reproduction B) Respiration C) Transpiration D) Vegetative reproduction

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Question 1072 Medium

Plants with jointed stem and hollow internodes are known as ?

A) Clums B) Scape C) Ephemerals D) Lianas

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Question 1073 Easy

Phyllotaxy refers to?

A) Arrangement of leaves on stem B) Folding leaf in the bud C) a & b both D) None of the above

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Question 1074 Easy

Leaves are attached to the stem at ?

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

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Question 1075 Medium

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 1076 Easy

Winged petiole is found in?

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

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Question 1077 Medium

Roots are differentiated into adventitious roots by their?

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

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Question 1078 Easy

Sweet potato is a modification of?

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

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Question 1079 Hard

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 1080 Easy

Potatoes are borne on ?

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

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