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 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 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
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
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.