The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as :
1. Microtubules
2. Microfilaments
3. Intermediate filaments
4. Lamins
The osmotic expansion of a cell kept in water is chiefly regulated by :
1. Mitochondria
2. Vacuoles
3. Plastids
4. Ribosomes
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Match the following and select the correct answer :
(a) | Centriole | (i) | Infoldings in mitochondria |
(b) | Chlorophyll | (ii) | Thylakoids |
(c) | Cristae | (iii) | Nucleic acids |
(d) | Ribozymes | (iv) | Basal body cilia or flagella |
A | B | C | D | |
1. | (iv) | (ii) | (i) | (iii) |
2. | (i) | (ii) | (iv) | (iii) |
3. | (i) | (iii) | (ii) | (iv) |
4. | (iv) | (iii) | (i) | (ii) |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following are not membrane-bound?
1. Ribosomes
2. Lysosomes
3. Mesosomes
4. Vacuoles
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following structure is not found in a prokaryotic cell?
1.Ribosome
2.Mesosome
3.Plasma membrane
4.Nuclear envelope
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The structures that help some bacteria to attach to rocks and/or host tissues are:
1. | Fimbriae | 2. | Mesosomes |
3. | Holdfast | 4. | Rhizoids |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Chromatophores take part in :
1. Growth
2. Movement
3. Respiration
4. Photosynthesis
Identify the correct order of organisation of genetic material from largest to smallest:
1. Genome, chromosome, nucleotide, gene
2. Genome, chromosome, gene, nucleotide
3. Chromosome, genome, nucleotide, gene
4. Chromosome, gene, genome, nucleotide
A protoplast is a cell :
1. without nucleus
2. undergoing division
3. without cell wall
4. without plasma membrane
Which one of the following cell organelles is enclosed by a single membrane?
1. | Nuclei | 2. | Mitochondria |
3. | Chloroplasts | 4. | Lysosomes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.