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 | Microbodies |
 73%
From NCERT
NEET - 2021
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The organelles that are included in the endomembrane system are:

1.  Golgi complex, Mitochondria, Ribosomes, and Lysosomes
2. Golgi complex, Endoplasmic reticulum, Mitochondria, and Lysosomes
3. The endoplasmic reticulum, Mitochondria, Ribosomes, and Lysosomes
4. The endoplasmic reticulum, Golgi complex, Lysosomes, and Vacuoles

Subtopic:  Endomembrane System |
 83%
From NCERT
NEET - 2021
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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:  Plastids | Mitochondria | Golgi Apparatus | Nucleus: Chromosomes |
 90%
From NCERT
NEET - 2021
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When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :

1. Sub-metacentric

2. Acrocentric

3. Metacentric

4. Telocentric

Subtopic:  Nucleus: Chromosomes |
 89%
From NCERT
NEET - 2021
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Match the following columns and select the correct option:

Column I Column II
(a) Smooth endoplasmic reticulum  (i) Smooth endoplasmic reticulum 
(b) Rough endoplasmic reticulum       (ii) Lipid synthesis
(c) Golgi complex      (iii) Glycosylation
(d) Centriole        (iv) Spindle formation
 

Options: (a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (iii) (i) (ii) (iv)
3. (iv) (ii) (i) (iii)
4. (i) (ii) (iii) (iv)
Subtopic:  Golgi Apparatus | Centrosomes | Endomembrane System (Endoplasmic Reticulum) |
 86%
From NCERT
NEET - 2020
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The size of Pleuro Pneumonia Like Organism (PPLO) is:

1. 0.02 μm

2. 1-2 μm

3. 10-20 μm

4. 0.1 μm

Subtopic:  Prokaryotic Cell Organisation |
 63%
From NCERT
NEET - 2020
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The biosynthesis of ribosomal RNA occurs in:

1. Ribosomes

2. Golgi apparatus

3. Microbodies

4. Nucleolus

Subtopic:  Nucleus |
 72%
From NCERT
NEET - 2020
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Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are:

1. Contractile vacuoles

2. Gas vacuoles

3. Centrioles

4. Microtubules

Subtopic:  Ribosome and Inclusion Bodies |
 78%
From NCERT
NEET - 2020
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Match List - I with List - II.

List - I List - II
(a) Metacentric chromosome (i) Centromere situated close to the end forming one extremely short and one very long arms
(b) Acrocentric chromosome (ii) Centromere at the terminal end
(c) Sub-metacentric (iii) Centromere in the middle forming two equal arms of chromosomes
(d) Telocentric chromosome (iv) Centromere slightly away from the middle forming one shorter arm and one longer arm

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iii) (i) (iv) (ii)
3. (i) (iii) (ii) (iv)
4. (ii) (iii) (iv) (i)
Subtopic:  Nucleus: Chromosomes |
 81%
From NCERT
NEET - 2022
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Given below are two statements:
 
Statement I: Mycoplasma can pass through less than 1 micron filter size.
Statement II: Mycoplasma are bacteria with cell walls.

In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect. 
4. Statement I is correct but Statement II is incorrect.
Subtopic:  Prokaryotic Cell Organisation |
 78%
From NCERT
NEET - 2022
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