The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodore Schwann
4. Schleiden

Subtopic:  Cell Theory |
 94%
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

Which of the following pair of organelles does not contain DNA?

1. Nuclear envelope and Mitochondria

2. Mitochondria and Lysosomes

3. Chloroplast and Vacuoles

4. Lysosomes and vacuoles

Subtopic:  Lysosomes | Vacuole |
 87%
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

Which of the following statements is not correct?

1. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
2. Lysosomes have numerous hydrolytic enzymes
3. The hydrolytic enzyme of lysosomes are active under acidic pH
4. Lysosomes are membrane bound structure.

Subtopic:  Lysosomes |
 76%
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

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

Select the correct statement with respect to axoneme of eukaryotic flagella.
1. It is composed of 9 peripheral triplet microfibrils of tubulin proteins.
2. It does not have covering of plasma membrane.
3. Central tubules are enclosed by a central sheath. 
4. It gives rise to spindle apparatus during cell division.

Subtopic:  Cilia & Flagella |
 65%
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

Select the features which are common for both ER and Golgi apparatus.

(A) Both are sites for synthesis of lipids and steroidal hormones.
(B) Both are composed of cisternae, tubules and vesicles.
(C) Both are parts of endomembrane system.
(D) Both help in formation of plasma membrane during cytokinesis.

1. Only (B)

2. Only (B) and (C) 

3. Only (A) and (D)

4. All except (D)

Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum | Golgi Apparatus |
 65%
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

Match the following and select the correct answer: 

Column I Column II
(a) Centriole  (i) Infoldings in mitochondria 
(b) Chlorophyll (ii) Thylakoids
(c) Cristae  (iii) Nucleic acids 
(d) Ribozymes (iv) Basal body of cilia or flagella


1. A-iv B-ii C-i D-iii

2. A-i B-ii C-iv D-iii

3. A-i B-iii C-ii D-iv

4. A-iv B-iii C-i D-ii

Subtopic:  Plastids | Mitochondria | Cilia & Flagella |
 90%
From NCERT
AIPMT - 2014
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

DNA is not present in:

1. chloroplast
2. ribosomes
3. nucleus
4. mitochondria

Subtopic:  Ribosome and Inclusion Bodies |
 88%
From NCERT
NEET - 2015
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

Match the columns and identify the correct option. 

Column I  Column II
A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus
B. Cristae (ii) Condensed structure of DNA
C. Cisternae (iii) Flat membranous sacs in stroma
D. Chromatin (iv) Infolding in mitochondria

1. A → (iv) B → (iii) C → (i) D → (ii)

2. A → (iii) B → (iv) C → (i) D → (ii)

3. A → (iii) B → (i) C → (iv) D → (ii)

4. A → (iii) B → (iv) C → (ii) D → (i)

Subtopic:  Mitochondria | Golgi Apparatus | Nucleus: Chromosomes |
 83%
From NCERT
NEET - 2015
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

Which one of the following cell organelles is enclosed by a single membrane?
1. Chloroplasts
2. Lysosomes
3. Nuclei
4. Mitochondria

Subtopic:  Lysosomes |
 89%
From NCERT
NEET - 2016
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