Biology - Mock Test 172

Question 1711

Smallest dicotyledonous parasitic plant of the world is?

A) Coryadalis nana B) Primula minutissina C) Arcethobium minustissimum D) Marsilea minuta

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Question 1712

Which would do maximum harm to a tree. The loss of?

A) Half of its branches B) All of its leaves C) Half of its flower D) Half of its bark

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Question 1713

Tiny sacs or bladders are found in?

A) Utriculariya B) salvinia C) nepenthes D) Hydrilla

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Question 1714

Red root is name of?

A) Carrot B) Sweet potato C) Potato D) Beet root

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Question 1715

Grasses are examples of the following type of stem?

A) Suckers B) Runners C) Stolon D) Rhizomes.

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Question 1716

Turmeric is a stem and not a root because ?

A) It stores food material B) It grows parallel to soil surface C) It has nodes and internodes D) It has chlorophyll

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Question 1717

Stem is very much reduced in?

A) Tuber B) Bulb C) Corm D) Rhizome

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Question 1718

Bulbils take part in ?

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

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Question 1719

Plants with jointed stem and hollow internodes are known as ?

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

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Question 1720

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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