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 |
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 |
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 |
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 |
Question 280
Question MCQ▾
Resin canals are -
Choices
Choice (4) | Response | |
---|---|---|
a. | Lysigenous | |
b. | Schizolysigenous | |
c. | Schizogenous | |
d. | All of the above |
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 |
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 |