Vacuoles in animal cells:
I: are small in size, if present
II: are bound by a double membrane
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:  Vacuole |
 60%
Please attempt this question first.
Hints

Cell membrane proteins can be classified as integral and peripheral on the basis of
1. Their size 2. Their function
3. Ease of extraction 4. Chemical nature
Subtopic:  Cell Membrane |
 84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion (A): Plant cells are capable of forming a spindle apparatus during cell division.
Reason (R): All plant cells have centrioles.
 
1. Both (A) and (R) are True and (R) correctly explains (A).
2. Both (A) and (R) are True and (R) does not correctly explain (A).
3. (A) is True; (R) is False
4. Both (A) and (R) are False
Subtopic:  Centrosomes |
Please attempt this question first.
Hints

advertisementadvertisement

The chlorophyll in photosynthetic bacteria is associated with:
1. Infoldings of cell membrane
2. Extensions of cell wall
3. Plastids                
4. Plasmids
Subtopic:  Details of Prokaryotic Cell Structure |
 61%
Please attempt this question first.
Hints

Chloroplasts, in addition to chlorophyll, also contain various yellow or orange pigments called as:
1. Melanins                
2. Carotenoids
3. Retinols                
4. Terpenes
Subtopic:  Plastids |
 89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Name the German botanist who, for the first time, stated that all plant tissues are composed of individual cells:
1. Theodor Schwann
2. Rudolf Virchow
3. Matthias Schleiden 
4. Alfred Russel Wallace
Subtopic:  Cell Theory |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

When kept in a very dilute solution, all the following cells can withstand pressure exerted by water entering them without bursting except:
1. Plant cell 2. Bacterial cell
3. Fungal cell 4. Red blood cells
Subtopic:  Cell Organisation |
 72%
Please attempt this question first.
Hints

Which of the following cellular structures will not be found in E. coli?
1. Plasma membrane
2. Ribosome
3. Cell wall
4. Nuclear envelope
Subtopic:  Prokaryotic Cell Organisation |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The channels that connect the adjacent plant cells through their walls are called:
1. Plasmodesmata 2. Desmosomes
3. Gap junctions 4. Intercalated discs
Subtopic:  Cell Wall |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Carotenoid pigments like carotene and xanthophylls:
I: are present on chromoplasts.
II: are not lipid soluble.
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:  Plastids |
 68%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.