Cell Structure and Function [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 276 - 282 of 460

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Question 276

Question MCQ▾

Cells of parenchymatous tissues are characterized by-

Choices

Choice (4)Response

a.

Uniform thickening

b.

Intercellular spaces

c.

Lignified walls

d.

Thickening at the corners

Edit

Question 277

Question MCQ▾

Collenchyma differs from sclerenchyma in -

Choices

Choice (4)Response

a.

Being meristematic

b.

Retaining protoplasm at maturity

c.

Having a wide lumen

d.

Having thick walls

Edit

Question 278

Question MCQ▾

When xylem and phloem are on same radius, the vascular bundles are said to be -

Choices

Choice (4)Response

a.

Radial

b.

Conjoint

c.

Exarch

d.

Concentric

Edit

Question 279

Question MCQ▾

According to Histogen theory, during apical organization three histogens are formed. The part differentiated by plerome is-

Choices

Choice (4)Response

a.

Stele

b.

Xylem & phloem

c.

Cortex

d.

Ground tissue system

Edit

Question 280

Question MCQ▾

Resin canals are -

Choices

Choice (4)Response

a.

Lysigenous

b.

Schizolysigenous

c.

Schizogenous

d.

All of the above

Edit

Question 281

Question MCQ▾

Presence of vessels in the xylem is

Choices

Choice (4)Response

a.

An advanced character

b.

A primitive character

c.

A vestigial character

d.

All of the above

Edit

Question 282

Question MCQ▾

Quiescent centre theory for demonstrating apical organisation in root was proposed by

Choices

Choice (4)Response

a.

Nageli

b.

Clowes

c.

Hanstein

d.

Schuepp

Edit