Q. No.In the given diagram of chloroplast, enzymes required for the synthesis of carbohydrates and proteins are located in:
1.
A
2.
B
3.
C
4.
D
In the given diagram, what is true for both A and B?
| 1. | They are involved in protein synthesis |
| 2. | They synthesize steroidal hormones in animal cells |
| 3. | They are a part of endomembranous system of a eukaryotic cell |
| 4. | They are continuous with the inner membrane of the nucleus |
Consider the following statements:
| I: | In animal cells, lipid like steroidal hormones are synthesized in SER. |
| II: | Golgi apparatus is the important site for formation of glycoproteins & glycolipids. |
| III: | Lysosomes carry alkaline hydrolases. |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Which of the following structure is not found in a prokaryotic cell?
(1) Nuclear envelope
(2) Ribosome
(3) Mesosome
(4) Plasma membrane
Algae have cell wall made up of
1. cellulose, galactans and mannans
2. hemicellulose, pectins and proteins
3. pectins, cellulose and proteins
4. cellulose, hemicellulose and pectins
Pigment-containing membranous extensions in some cyanobacteria are
(1) heterocysts
(2) basal bodies
(3) pneumatophores
(4) chromatophores
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
1. Bacillus2. Pseudomonas
3. Mycoplasma
4. Nostoc
Select the mismatch.
| 1. | Gas vacuoles — Green bacteria Cells |
| 2. | Large central vacuoles — Animal cells |
| 3. | Protists — Eukaryotes |
| 4. | Methanogens — Prokaryotes |
Select the wrong statement.
| 1. | Bacterial cell wall is made up of peptidoglycan |
| 2. | Pili and fimbriae are mainly involved in motility of bacterial cells |
| 3. | Cyanobacteria lack flagellated cells |
| 4. | Mycoplasma is a wall-less microorganism |
Microtubules are the constituents of
| 1. | spindle fibres, centrioles and cilia |
| 2. | centrioles, spindle fibres and chromatin |
| 3. | centrosome, nucleosome and centrioles |
| 4. | cilia, flagella and peroxisomes |
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