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Q. No.Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:
1.
protein
2.
mRNA
3.
rRNA
4.
tRNA
Subtopic: Nucleus |
65%
Level 2: 60%+
NEET - 2019
Hints
Which of the following nucleic acids is present in an organism having 70 S ribosomes only?
| 1. | Single-stranded DNA with a protein coat |
| 2. | Double-stranded circular naked DNA |
| 3. | Double-stranded DNA enclosed in nuclear membrane |
| 4. | Double-stranded circular DNA with histone proteins |
Subtopic: Details of Prokaryotic Cell Structure |
70%
Level 2: 60%+
NEET - 2019
Hints
Match Column-I with Column-II.
| Column-I | Column-II | ||
| (a) | Golgi apparatus | (i) | Synthesis of protein |
| (b) | Lysosomes | (ii) | Trap waste and excretory products |
| (c) | Vacuoles | (iii) | Formation of glycoproteins and glycolipids |
| (d) | Ribosomes | (iv) | Digesting biomolecules |
Choose the right match from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iv) | (iii) | (i) | (ii) |
| 3. | (iii) | (ii) | (iv) | (i) |
| 4. | (i) | (ii) | (iv) | (iii) |
Subtopic: Eukaryotic Cell Orgenelle |
86%
Level 1: 80%+
NEET - 2019
Hints
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 |
77%
Level 2: 60%+
NEET - 2019
Hints
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 |
88%
Level 1: 80%+
NEET - 2019
Hints
The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
Subtopic: Eukaryotic Cell Orgenelle |
95%
Level 1: 80%+
NEET - 2019
Hints
Select the wrong statement from the following:
| 1. | Both chloroplast and mitochondria contain an inner and an outer membrane. |
| 2. | Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane. |
| 3. | Both chloroplasts and mitochondria contain DNA. |
| 4. | The chloroplasts are generally much larger than mitochondria. |
Subtopic: Mitochondria |
79%
Level 2: 60%+
AIPMT - 2007
Hints
Which one of the following is not a constituent of the cell membrane?
1. Cholesterol
2. Glycolipids
3. Proline
4. Phospholipids
Subtopic: Cell Membrane |
87%
Level 1: 80%+
AIPMT - 2007
Hints
Vacuole in a plant cell:
| 1. | is membrane-bound and contains storage proteins and lipids |
| 2. | is membrane-bound and contains water and excretory substances |
| 3. | lacks membrane and contains air |
| 4. | lacks membrane and contains water and excretory substances |
Subtopic: Vacuole |
86%
Level 1: 80%+
AIPMT - 2008
Hints
Polysome is formed by:
| 1. | several ribosomes attached to a single mRNA |
| 2. | many ribosomes attached to a strand of endoplasmic reticulum |
| 3. | a ribosome with several subunits |
| 4. | ribosomes attached in a linear arrangement |
Subtopic: Ribosome and Inclusion Bodies |
90%
Level 1: 80%+
AIPMT - 2008
Hints
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