Consider the given two statements:
Statement I: Prokaryotic cells lack a defined nucleus and instead have a nucleoid region where the DNA is concentrated.
Statement II: Eukaryotic cells possess a true nucleus enclosed by a nuclear membrane, which houses the cell’s genetic material.
 
1. Both Statement I and Statement II are true.
2. Statement I is true but Statement II is false.
3. Statement I is false but Statement II is true.
4. Both Statement I and Statement II are false.
Subtopic:  Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure | Nucleus |
 94%
From NCERT
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Match List - I with List - II

 List -I  List -II
(a) Cristae (i) Primary constriction in chromosome
(b) Thylakoids (ii) Disc-shaped sacs in Golgi apparatus
(c) Centromere (iii) Infoldings in mitochondria
(d) Cisternae (iv) Flattened membranous sacs in stroma of plastids

Choose the correct answer from the options given below.

(a) (b) (c) (d)
1. (iii) (iv) (i) (ii)
2. (ii) (iii) (iv) (i)
3. (iv) (iii) (ii) (i)
4. (i) (iv) (iii) (ii)
Subtopic:  Mitochondria | Golgi Apparatus | Nucleus | Vacuole |
 94%
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

Which of the following is an incorrect statement?

1. The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm.
2. Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm.
3. Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.
4. Microbodies are present both in plant and animal cells.
Subtopic:  Nucleus |
 85%
From NCERT
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NEET 2026 - Target Batch - Vital

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Consider the given two statements:
Statement I: The nucleolus within the nucleus is primarily involved in the synthesis of rRNA and assembly of ribosomes.
Statement II: Ribosomes are membrane-bound organelles that are only found within the nucleus of eukaryotic cells.
1. Both Statement I and Statement II are true.
2. Statement I is true but Statement II is false.
3. Statement I is false but Statement II is true.
4. Both Statement I and Statement II are false.
Subtopic:  Nucleus |
 89%
From NCERT
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