The outer membrane of the nucleus:

I. is continuous with the Endoplasmic reticulum

II. does not bear ribosomes.

1. Only I is correct

2. Only II is correct

3. Both I and II are correct

4. Both I and II are incorrect

Subtopic:  Nucleus |
 71%
From NCERT
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Prokaryotic cells have something unique in the form of:

1. Inclusion bodies

2. Plasmids

3. Cell wall

4. 70 S ribosomes

Subtopic:  Prokaryotic Cell Organisation |
 68%
From NCERT
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Carotenoid pigments are found in:

I. Chloroplasts

II. Chromoplasts

III. Leucoplasts

(1) Only I

(2) Only I and II

(3) Only II

(4) I, II and III

Subtopic:  Plastids |
 59%
From NCERT
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All the following are the part of a eukaryotic cell endomembranous system except:

1. Vacuole

2. Lysosome

3. Golgi complex

4. Mitochondria

Subtopic:  Endomembrane System (Endoplasmic Reticulum) |
 80%
From NCERT
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Chromatophores are:

1. present in liopolysaccharide layer of gram negative bacteria

2. colored pigments present in fluorescent bacteria

3. vesicles that store pigments in prokaryotic cells

4. extensions on membrane in cynobacteria 

Subtopic:  Details of Prokaryotic Cell Structure |
 55%
From NCERT
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The tail of the phospholipid molecule:

1. is hydrophilic and composed of phosphate
2. is hydrophilic and composed of saturated hydrocarbons
3. is hydrophobic and composed of saturated hydrocarbons
4. is hydrophobic and composed of unsaturated hydrocarbons
Subtopic:  Cell Membrane |
 58%
From NCERT
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Unless specifically stained by a vital stain like Janus Green, which of the following will not be visible under a microscope?

1. Rough endoplasmic reticulum

2. Smooth endoplasmic reticulum

3. Golgi apparatus

4. Mitochondria

Subtopic:  Mitochondria |
 78%
From NCERT
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Fat soluble pigments like xanthophylls are present in:

1. Chromoplasts

2. Aleuroplasts

3. Elaioplasts

4. Amyloplasts

Subtopic:  Plastids |
 68%
From NCERT
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The two types of cellular organelles that transform energy are:

(1) Chromoplasts and Leucoplasts

(2) Mitochondria and Chloroplasts

(3) Mitochondria and Endoplasmic reticulum

(4) Chloroplasts and Golgi apparatus

 

Subtopic:  Plastids | Mitochondria |
 82%
From NCERT
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The arrangement of outer and central microtubules in a cilium is called the:

1. 9 + 1 pattern

2. 9 + 0 pattern

3. Flagellin pattern

4. 9 + 2 pattern

Subtopic:  Cilia & Flagella |
 83%
From NCERT
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