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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