Biology - Comprehensive Mock Test 109

Question 1081 Easy

Epiphytic roots are found in?

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

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Question 1082 Easy

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 1083 Easy

Food present in bulbil occurs in?

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

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Question 1084 Easy

In which of following, the plants have all roots?

A) Podostemon B) Lemna C) Wolffia D) Utricularia

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Question 1085 Medium

Which one of the following statements pertaining to plant structure is correct?

A) Cork lacks stomata, but lenticels carry out transpiration B) Passage cess help in transfer of food from cortex to phloem. C) Sieve tube elements possess cyto plasm but no nuclei. D) The short apical meristem has a quiescent centre.

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Question 1086 Medium

Cork cambium results in the formaation of cork which becomes impermeable to water due to the accumulation of?

A) Resin B) Suberin C) Starch D) Tanin

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Question 1087 Easy

Companion cells are associated with?

A) Vessels B) Male gamate C) Sieve tube D) Guard cells

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Question 1088 Hard

In plant organ which is covered by periderm and in which the stomata ar absent, Some gaseous exchange takes place through?

A) Aerenchyma B) Trichomes C) Pneumato phores D) Lenticels

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Question 1089 Easy

The sugarcane plant has?

A) Dumbelled shaped guard cells B) Pentamerous flowers C) Reticulate venation D) Capsular fruits

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Question 1090 Easy

Passage cells are found in?

A) Dicot stem B) Monocot root C) Arial root D) Monocot stem

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