Which organelle is extensive and continuous with the outer membrane of the nucleus?
1. Golgi complex
2. ER
3. Vacuole
4. Lysosome

Subtopic:  Nucleus |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A nuclear pore allows

1. Unidirectional movement of DNA

2. RNA movement only

3. RNA and protein movement

4. Protein movement only

Subtopic:  Nucleus |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Ribosomal RNA is actively synthesized in

1. lysosomes

2. nucleolus

3. nucleoplasm

4. ribosomes

Subtopic:  Nucleus |
 77%
From NCERT
NEET - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The outer membrane of the nucleus:

I. is continuous with the Endoplasmic reticulum

II. does not bear ribosomes.

1. Only I is correct

2. Only II is correct

3. Both I and II are correct

4. Both I and II are incorrect

Subtopic:  Nucleus |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The given diagram represents the four different structures which one of these is correct containing material and function:-

 

 

 

 

a.

Nucleolus

NOR

Synthesis of rRNA for formation of 80 S Ribosome

b.

Nuclear Pore

Chromatin

Exchange material between cytoplasm and nucleoplasm

c.

Nucleoplasm Protein

Nucleoplasmin

Formation of nuclear matrix

d.

Nuclear membrane

Ribosome

Cellulose synthesis

1. A

2. B

3. C

4. D

Subtopic:  Nucleus |
 56%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:

1. protein 2. mRNA
3. rRNA 4. tRNA
Subtopic:  Nucleus |
 62%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The content of the nucleolus is continuous with nucleoplasm

1.  Through microtubules

2.  Through nuclear pores

3.  Due to lack of membrane

4.  Due to presence of channels in membrane 

Subtopic:  Nucleus |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The spherical structures present in the nucleoplasm

1. Has contents continuous with the rest of the nucleoplasm.
2. Is a membrane bound structure
3. Is a site of active messenger RNA synthesis
4. Are smaller and more numerous in cells actively carrying out protein synthesis
Subtopic:  Nucleus |
 54%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Read the statements carefully and select the set of correct statements

a. Palade particles are found in all cellular organisms
b. A membrane bound structure in nucleus is the site of ribosomal RNA synthesis
c. The mitochondria can be divide meiotically to produce daughter mitochondria
d. Vacuoles can occupy about 90% of the volume of a plant cell

1. All except b

2. a & c

3. b & d

4. a & d

Subtopic:  Mitochondria | Nucleus | Vacuole |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Find the incorrect statement:

1. Plastids found in plant cells and in euglenoids.

2. Golgi apparatus is site of formation of glycoproteins and glycolipids.

3. Nucleus during interphase has highly extended and elaborate nucleoprotein fibers.

4. Centriole Microtubular organization is referred to as the 9 + 2 and it forms basal body of cilia and flagella.

Subtopic:  Plastids | Golgi Apparatus | Nucleus | Cilia & Flagella |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh