Double unit membrane is absent in:
1.  Ribosomes
2.  Nucleus
3.  Plastids
4.  E.R

Subtopic:  Ribosome and Inclusion Bodies |
 77%
Level 2: 60%+
AIPMT - 1999
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The genetic material of prokaryotic cell:

1. Non histonic double-stranded DNA
2. Histonic double-stranded DNA
3. Histone & DNA both are absent
4. Histone without DNA
Subtopic:  Details of Prokaryotic Cell Structure |
 69%
Level 2: 60%+
AIPMT - 1999
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Which cell organelle is concerned with the glycosylation of protein:

1. Ribosome

2. Peroxisome

3. Endoplasmic reticulum

4. Mitochondria

Subtopic:  Endomembrane System (Endoplasmic Reticulum) |
 65%
Level 2: 60%+
AIPMT - 2000
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The function of telomeres in the nucleus:

1. Pole ward movement
2. To initiate the RNA synthesis
3. To seal the ends of chromosome
4. To recognize the homologous chromosome
Subtopic:  Nucleus: Chromosomes |
 60%
Level 2: 60%+
AIPMT - 2000
Hints

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 |
 62%
Level 2: 60%+
AIPMT - 2002
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Which of the following occurs more than one and less than five in a chromosome:

1. Chromatid

2. Chromomere

3. Centromere

4. Telomere

Subtopic:  Nucleus: Chromosomes |
Level 3: 35%-60%
AIPMT - 2002
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Ribosomes are produced in:
1. Nucleolus
2. Cytoplasm
3. Mitochondria
4. Golgibody

Subtopic:  Ribosome and Inclusion Bodies |
 78%
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 |
 85%
Level 1: 80%+
AIPMT - 2002
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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

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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 |
 91%
Level 1: 80%+
AIPMT - 2000
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