Select the incorrect statement(s)  with respect to functions of various cellular components

a.  Middle lamella works as glue to hold the adjacent cells together.

b.  Mitochondria, chloroplast and vacuoles are part of the endomembrane system as their functions are coordinated.

c.  Lipoidal steroid hormones are synthesized by ER component which is not associated to 80 S ribosomes.

1.  Only b

2.  Only a

3.  Both a and c

4.  Both b and c 

Subtopic:  Cell Wall | Endomembrane System |
 52%
From NCERT
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Select the correct match

1.  70 'S' ribosome         -    Bacterial mesosome

2.  Cytoskeleton             -    Lipoproteins

3.  Kinetochore                -    Centromere

4.  Lysosome                  -   Catalase

 

Subtopic:  Nucleus: Chromosomes |
 71%
From NCERT
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Thin, amorphous, and cementing layer between two adjacent cells, is

1. Primary wall

2. Middle lamella

3. Secondary wall

4. Plasma membrane 

Subtopic:  Cell Wall |
 91%
From NCERT
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Both chloroplast and mitochondria show similarity in

1. Presence of DNA with more AT

2. Presence of 70s ribosome

3. Presence of porins

4. More than one option is correct

Subtopic:  Plastids | Mitochondria |
 64%
From NCERT
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Choose incorrect match

1.  Chloroplast   -   Thylakoid

2.  Golgi bodies  -   Cristae

3.  Mitochondria  -  Oxisome

4.  Centriole       -   Microtubules 

Subtopic:  Golgi Apparatus |
 67%
From NCERT
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How many microtubules are associated with the structure of centriole?

1. 11

2. 18

3. 20

4. 27

Subtopic:  Centrosomes |
 53%
From NCERT
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The endomembrane system of the cell includes

1.  ER + Golgi body + Mitochondria

2.  ER + Golgi body + Vacuole + Microtubules

3.  ER + Golgi body + Lysosome + Vacuole

4.  ER + Golgi body + Chloroplast + Lysosome 

Subtopic:  Endomembrane System |
 91%
From NCERT
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Kinetochores are associated with

1. Outer part of primary constriction

2. Centromere in its inner central part

3. Secondary construction

4. Satellite 

Subtopic:  Nucleus: Chromosomes |
 55%
From NCERT
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Cilia and flagella in a eukaryotic cell

1.  Are motile at base

2.  Are made of 20 microtubules

3.  Are devoid of matrix and flagellar sheath

4.  Shows rotatory movement

 

Subtopic:  Cilia & Flagella |
From NCERT
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Eukaryotic cells contain

1.  70 'S' ribosomes 

2.  70 'S' and 80 'S' ribosome

3.  80 'S' ribosomes

4.  70 'S' and 60 'S' ribosomes

 

Subtopic:  Ribosome and Inclusion Bodies |
 67%
From NCERT
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