Q. No.
Thin, amorphous, and cementing layer between two adjacent cells, is
| 1. | Primary wall | 2. | Middle lamella |
| 3. | Secondary wall | 4. | Plasma membrane |
Eukaryotic cells are considered as more efficient than prokaryotic cells, due to
| 1. | compartmentalisation of cytoplasm |
| 2. | infolding of membrane |
| 3. | presence of cell wall |
| 4. | aerobic respiration |
Few chromosome have non-staining secondary constrictions at a constant location, also known as :-
1. Cristae
2. Satellite
3. Kinetochores
4. Hub
The term that is not applicable to bacterial flagellum will be:
| 1. | Tubulin | 2. | Filament |
| 3. | Hook | 4. | Basal body |
In which of the following chromosomes the centromere is present at terminal position and
hence only one arm is appeared?
| 1. | Metacentric chromosome |
| 2. | Sub-metacentric chromosome |
| 3. | Acrocentric chromosome |
| 4. | Telocentric chromosome |
Read the following statements and choose the correct option:
| Statement I: | Polar molecules cannot pass through lipid bilayer of plasma membrane by self. |
| Statement II: | Polar molecules require carrier proteins to facilitate their transport across the membrane. |
1. Both Statements I and II are correct
2. Both Statements I and II are incorrect
3. Only Statement I is correct
4. Only Statement II is correct
State the following statements as true (T) or false (F) and select the correct option.
| A. | Integral proteins are partially or totally buried in the membrane. |
| B. | Human RBC membrane has approximately 52% proteins. |
| C. | Proteins move laterally within overall bilayer of membrane. |
| A | B | C | |
| 1. | T | T | T |
| 2. | F | T | F |
| 3. | T | F | T |
| 4. | F | F | T |
Which of the given is not found in matrix of mitochondria?
1. RNA
2. Proteins
3. 80S ribosomes
4. DNA
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