NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2864 - 2869 of 3511

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Question number: 2864

» Plant Physiology » Transport in Plants » Phloem Transport

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Appeared in Year: 2001

MCQ▾

Question

Sieve tubes differ from sieve cells in - (DPMT)

Choices

Choice (4) Response

a.

Being shorter

b.

Having sieve pores at end walls

c.

Being dead

d.

Lacking nuclei

Question number: 2865

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

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Appeared in Year: 1995

MCQ▾

Question

Periderm includes (MP PMT)

Choices

Choice (4) Response

a.

Cork cambium (phellogen), cork (phellem) and secondary cortex (phelloderm)

b.

Cork

c.

Cork cambium and cork

d.

Cork and secondary phloem

Question number: 2866

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

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Appeared in Year: 1991

MCQ▾

Question

Velamen found in epiphytic roots is meant for [CPMT]

Choices

Choice (4) Response

a.

Absorption of water from air

b.

Protection

c.

Absorption of water from host

d.

Perennation

Question number: 2867

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

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Appeared in Year: 1997

MCQ▾

Question

Functional xylem of dicot tree is - [JIPMER]

Choices

Choice (4) Response

a.

Autumn wood

b.

Sap wood

c.

Hard wood

d.

Heart wood

Question number: 2868

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

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Appeared in Year: 1999

MCQ▾

Question

Sap-wood is - (BHU)

Choices

Choice (4) Response

a.

Outer functional part of secondary xylem

b.

Outer as well as inner part of secondary xylem

c.

Inner nonfunctional part of secondary xylem

d.

Question does not provide sufficient data or is vague

Question number: 2869

» Plant Physiology » Transport in Plants » Cell to Cell Transport

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Appeared in Year: 1998

MCQ▾

Question

Vessel elements differ from other elements of xylem in having (AMU)

Choices

Choice (4) Response

a.

Simple and bordered pits on end walls

b.

Simple perforation on their end walls

c.

Bordered pits on their lateral walls

d.

Simple pits on their radial walls