NEET Biology: Questions 554 - 559 of 3146

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Question number: 554

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Stem

MCQ▾

Question

Conjoint, collateral and closed vascular bundle is found in

Choices

Choice (4) Response
a.

dicot stem

b.

dicot root

c.

monocot stem

d.

monocot root

Question number: 555

» Ecology and Environment » Biodiversity and Its Conservation » National Parks and Sanctuaries

MCQ▾

Question

Kanha National Park is famous for

Choices

Choice (4) Response
a.

Birds

b.

Tiger

c.

Rhino

d.

Crocodile

Question number: 556

» Ecology and Environment » Biodiversity and Its Conservation » Hotspots

MCQ▾

Question

Number of ecological hotspots in the world is

Choices

Choice (4) Response
a.

14

b.

25

c.

16

d.

20

Question number: 557

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Root

MCQ▾

Question

Roots developing from plant parts other than radical are called

Choices

Choice (4) Response
a.

adventitious

b.

epiphyllous

c.

epicaulous

d.

fibrous

Question number: 558

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Which one of the following describes a possible reason for the opening and closing of the guard cells?

Choices

Choice (4) Response
a.

Stomata open in daylight because starch is changed to osmotically active substances which increase the turgidity of the guard cells.

b.

Stomata close in darkness because the starch produced in daylight by photosynthesis; it is changed in to sugars and translocated from the guard cells.

c.

Stomata open in daylight because guard cells have chloroplast osmotic pressure arises.

d.

Stomata open in daylight because photosynthesis occurs in the guard cells producing sugar resulting in higher osmotic pressure.

Question number: 559

» Plant Physiology » Transport in Plants » Water Potential

MCQ▾

Question

Most water absorption in plants takes place through

Choices

Choice (4) Response
a.

Root cap

b.

Root apex

c.

Root hair zone

d.

Meristematic zone

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