The biosynthesis of ribosomal RNA occurs in:
1. Ribosomes
2. Golgi apparatus
3. Microbodies
4. Nucleolus
Subtopic: Nucleus |
74%
Level 2: 60%+
NEET - 2020
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Subtopic: Prokaryotic Cell Organisation |
67%
Level 2: 60%+
NEET - 2020
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Match the following columns and select the correct option:
| Column-I | Column-II | ||
| (a) | Smooth endoplasmic reticulum |
(i) | Protein synthesis |
| (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) |
89%
Level 1: 80%+
NEET - 2020
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Identify the statement which is incorrect.
| 1. | Sulphur is an integral part of cysteine. |
| 2. | Glycine is an example of lipids. |
| 3. | Lecithin contains a phosphorus atom in its structure. |
| 4. | Tyrosine possesses an aromatic ring in its structure. |
Subtopic: Amino Acids | Lipids |
77%
Level 2: 60%+
NEET - 2020
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Links
Match the following:
| Column-I | Column-II | ||
| (a) | Aquaporin | (i) | Amide |
| (b) | Asparagine | (ii) | Polysaccharide |
| (c) | Abscisic acid | (iii) | Polypeptide |
| (d) | Chitin | (iv) | Carotenoids |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iii) | (i) | (ii) | (iv) |
Subtopic: Proteins | Carbohydrates |
81%
Level 1: 80%+
NEET - 2020
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Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:
| 1. | Anaphase | 2. | Telophase |
| 3. | Prophase | 4. | Metaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
80%
Level 1: 80%+
NEET - 2020
Hints
In a mitotic cycle, the correct sequence of phases is
1. S, , , M
2. , S, , M
3. M, , , S
4. , , S, M
Subtopic: Intro to Cell Cycle & Interphase |
92%
Level 1: 80%+
NEET - 2020
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During Meiosis 1, in which stage synapsis takes place?
| 1. | Pachytene | 2. | Zygotene |
| 3. | Diplotene | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
86%
Level 1: 80%+
NEET - 2020
Hints
Match the following events that occur in their respective phases of cell cycle and select the correct option:
| Column-I | Column-II | ||
| (a) | G1 phase | (i) | Cell grows and organelle duplication |
| (b) | S phase | (ii) | DNA replication and chromosome duplication |
| (c) | G2 phase | (iii) | Cytoplasmic growth |
| (d) | Metaphase in M-phase | (iv) | Alignment of chromosomes |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Intro to Cell Cycle & Interphase |
88%
Level 1: 80%+
NEET - 2020
Hints
What happens to the mass number and the atomic number of an element when it emits \(\gamma\text{-}\)radiation?
| 1. | mass number decreases by four and atomic number decreases by two. |
| 2. | mass number and atomic number remain unchanged. |
| 3. | mass number remains unchanged while the atomic number decreases by one. |
| 4. | mass number increases by four and the atomic number increases by two. |
Subtopic: Types of Decay |
84%
Level 1: 80%+
NEET - 2020
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