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Q. No.In the fluid mosaic model of a plasma membrane:
1.
Upper layer is non-polar and hydrophilic
2.
The polar layer is hydrophobic
3.
Phospholipids form a bimolecular layer in the middle part
4.
Proteins form a middle layer
Subtopic: Cell Membrane |
63%
Level 2: 60%+
AIPMT - 2002
Hints
Subtopic: Ribosome and Inclusion Bodies |
79%
Level 2: 60%+
AIPMT - 2002
Hints
The mitotic spindle is mainly composed of which protein:
1. Actin
2. Tubulin
3. Actomyosin
4. Myoglobin
Subtopic: Cilia & Flagella |
86%
Level 1: 80%+
AIPMT - 2002
Hints
Which of the following ribosomes are engaged in protein synthesis in the animal cell:
| 1. | Ribosomes that occur on the nuclear membrane and E.R. |
| 2. | Ribosomes of only cytosol |
| 3. | Ribosomes of only nucleolus and cytosol |
| 4. | Ribosomes of only mitochondria and cytosol |
Subtopic: Ribosome and Inclusion Bodies |
80%
Level 1: 80%+
AIPMT - 2000
Hints
Extranuclear DNA is found in:
| 1. | Lysosome and chloroplast |
| 2. | Chloroplast and mitochondria |
| 3. | Mitochondria and lysosome |
| 4. | Golgi and E.R. |
Subtopic: Plastids | Mitochondria |
92%
Level 1: 80%+
AIPMT - 2000
Hints
Lysosome contains:
| 1. | Oxidative enzymes | 2. | Hydrolytic enzymes |
| 3. | Reductive enzymes | 4. | Anabolic enzymes |
Subtopic: Lysosomes |
96%
Level 1: 80%+
AIPMT - 2000
Hints
Chromosomes in a bacterial cell can be 1–3 in number and:
| 1. | Are always circular |
| 2. | Are always linear |
| 3. | Can be either circular or linear, but never both within the same cell |
| 4. | Can be circular as well as linear within the same cell |
Subtopic: Details of Prokaryotic Cell Structure |
54%
Level 3: 35%-60%
AIPMT - 2003
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The difference in gram ⊕ and gram bacteria is due to:
| 1. | Cell wall | 2. | Cell membrane |
| 3. | Ribosome | 4. | Cytoplasm |
Subtopic: Bacterial Staining & Shape |
74%
Level 2: 60%+
AIPMT - 2001
Hints
Extranuclear chromosomes occur in:
| 1. | Peroxisome and ribosome | 2. | Chloroplast and mitochondria |
| 3. | Mitochondria and ribosome | 4. | Chloroplast and lysosome |
Subtopic: Plastids | Mitochondria |
88%
Level 1: 80%+
AIPMT - 2001
Hints
Subtopic: Cell Wall |
93%
Level 1: 80%+
AIPMT - 2001
Hints
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