Q. No.The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
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 |
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. |
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. |
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. |
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)
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
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)
| 1. | Chloroplasts | 2. | Lysosomes |
| 3. | Nuclei | 4. | Mitochondria |
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