Which of the following is not membrane-bound?
1. Vacuoles
2. Ribosomes
3. Lysosome
4. Mesosomes
The structures that help some bacteria to attach to rocks and/or host tissues are?
1. Rhizoids
2. Fimbriae
3. Mesosomes
4. Holdfast
Cellular organelles with membranes are:
1. Nucleus, ribosome and mitochondria
2. Chromosomes, ribosomes and endoplasmic reticulum
3. Endoplasmic reticulum, ribosome and nuclei
4. Lysosomes, Golgi apparatus and mitochondria
The chromosomes in which the centromere is situated close to one end are:
Select the correct matching among the following pairs.
Which one of the following is not an inclusion body found in prokaryotes?
DNA is not present in:
Which of the following structures performs the function of mitochondria in a bacteria?
1. | Nucleoid | 2. | Ribosomes |
3. | Cell wall | 4. | Mesosomes |
The osmotic expansion of a cell kept in water is chiefly regulated by:
1. Mitochondria
2. Vacuoles
3. Plastids
4. Ribosomes
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