Which of the following statement are correct:-
1. | Lysosome contain a hydrolytic enzyme which acts in pH= 5 |
2. | Glycosylation complete in the Golgi body. |
3. | Mitochondria are stained with vital stain Janus green B. |
4. | All of the above. |
Chloroplast differs from mitochondria in
1. | Having circular DNA and 70S ribosomes |
2. | Phase of division or duplication during cell cycle |
3. | Having porins in outer membrane |
4. | Having enzymes for carbohydrate synthesis in stroma |
Which one is incorrect
1. | Mycoplasmas are greater than bacteria |
2. | largest isolated cell is ostrich egg |
3. | Nerve cells are longest cells |
4. | The shape of the cell may vary with the function they perform |
Nerve cell is
1. largest and branched
2. longest and branched
3. longest and unbranched
4. largest and unbranched
The diagram below is a diagrammatic representation showing
1. Section of a centriole
2. A cartwheel 9 + 0 structure of microtubular organisation
3. Internal structure of an eukaryotic flagella
4. Internal structure of a centrosome
Which cell organelle principally performs the function of packaging materials, to be delivered either to the intra-cellular targets or secreted outside the cell?
1. | Rough endoplasmic reticulum |
2. | Golgi apparatus |
3. | Smooth endoplasmic reticulum |
4. | Lysosomes |
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) |
Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:
1. | protein | 2. | mRNA |
3. | rRNA | 4. | tRNA |
Which organelle is extensive and continuous with the outer membrane of the nucleus?
1. Golgi complex
2. ER
3. Vacuole
4. Lysosome
Choose the incorrectly matched pair.
1. | Contractile vacuole - Excretion. |
2. | SER - Steroidal hormones synthesis. |
3. | Xanthophyll - Fat soluble pigment. |
4. | Eukaryotic flagellum - Extension of basal body. |