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Q. No.The main arena of various types of activities of a cell is:
1.
Plasma membrane
2.
Mitochondria
3.
Cytoplasm
4.
Nucleus
Subtopic: Cell Organisation |
91%
Level 1: 80%+
AIPMT - 2010
Hints
The plasma membrane consists mainly of:
| 1. | phospholipids embedded in a protein bilayer |
| 2. | proteins embedded in a phospholipid bilayer |
| 3. | proteins embedded in a polymer of glucose molecules |
| 4. | proteins embedded in a carbohydrate bilayer |
Subtopic: Cell Membrane |
84%
Level 1: 80%+
AIPMT - 2010
Hints
Alage 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 |
Subtopic: Cell Wall |
84%
Level 1: 80%+
AIPMT - 2010
Hints
Middle lamella is mainly composed of:
1. hemicellulose
2. muramic acid
3. calcium pectate
4. phosphoglycerides
Subtopic: Cell Wall |
93%
Level 1: 80%+
AIPMT - 2009
Hints
Plasmodesmata are:
| 1. | lignified cemented layers between cells |
| 2. | locomotory structures |
| 3. | membranes connecting the nucleus with plasmalemma |
| 4. | connections between adjacent cells |
Subtopic: Cell Wall |
84%
Level 1: 80%+
AIPMT - 2009
Hints
The cytoskeleton is made up of:
| 1. | calcium carbonate granules |
| 2. | callose deposits |
| 3. | cellulosic microfibrils |
| 4. | proteinaceous filaments |
Subtopic: Cytoskeleton |
78%
Level 2: 60%+
AIPMT - 2009
Hints
Polysome is formed by:
| 1. | several ribosomes attached to a single mRNA |
| 2. | many ribosomes attached to a strand of endoplasmic reticulum |
| 3. | a ribosome with several subunits |
| 4. | ribosomes attached in a linear arrangement |
Subtopic: Ribosome and Inclusion Bodies |
90%
Level 1: 80%+
AIPMT - 2008
Hints
Vacuole in a plant cell:
| 1. | is membrane-bound and contains storage proteins and lipids |
| 2. | is membrane-bound and contains water and excretory substances |
| 3. | lacks membrane and contains air |
| 4. | lacks membrane and contains water and excretory substances |
Subtopic: Vacuole |
87%
Level 1: 80%+
AIPMT - 2008
Hints
Which one of the following is not a constituent of the cell membrane?
1. Cholesterol
2. Glycolipids
3. Proline
4. Phospholipids
Subtopic: Cell Membrane |
87%
Level 1: 80%+
AIPMT - 2007
Hints
Select the wrong statement from the following:
| 1. | Both chloroplast and mitochondria contain an inner and an outer membrane. |
| 2. | Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane. |
| 3. | Both chloroplasts and mitochondria contain DNA. |
| 4. | The chloroplasts are generally much larger than mitochondria. |
Subtopic: Mitochondria |
80%
Level 1: 80%+
AIPMT - 2007
Hints
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