What is true regarding the chromosome shown in the diagram given below?

    

1. It is a metacentric chromosome with A called satellite and B called secondary constriction

2. It is a metacentric chromosome with B called satellite and A called secondary constriction

3. It is a submetacentric chromosome with A called satellite and B called secondary constriction

4. It is a submetacentric chromosome with B called satellite and A called secondary constriction

Subtopic:  Nucleus: Chromosomes |
 71%
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In the given diagram of chloroplast, enzymes required for the synthesis of carbohydrates and proteins are located in:

  

1. A 2. B
3. C 4. D
Subtopic:  Plastids |
 66%
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In the given diagram, what is true for both A and B?

 

1. They are involved in protein synthesis

2. They synthesize steroidal hormones in animal cells

3. They are a part of endomembranous system of a eukaryotic cell

4. They are continuous with the inner membrane of the nucleus

Subtopic:  Endomembrane System |
 72%
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Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

(protein filament)

Column II

(function)

I. Microfilaments

II. Microtubules

III. Intermediate filaments

1. prototplasmic streaming

2. movement of chromosomes

3. animal cell-cell junctions

Codes:

                I            II            III

1.             1            2             3 

2.             2            3             1

3.             2            1             3

4.             3            2             1

Subtopic:  Cytoskeleton | Cilia & Flagella |
From NCERT
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Which of the following structure is not found in a prokaryotic cell?

(1) Nuclear envelope

(2) Ribosome

(3) Mesosome

(4) Plasma membrane

Subtopic:  Prokaryotic Cell Organisation |
 87%
From NCERT
NEET - 2015
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Algae have cell wall made up of

1. cellulose, galactans and mannans

2. hemicellulose, pectins and proteins

3. pectins, cellulose and proteins

4. cellulose, hemicellulose and pectins

Subtopic:  Cell Wall |
 79%
From NCERT
NEET - 2010
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Pigment-containing membranous extensions in some cyanobacteria are

(1) heterocysts

(2) basal bodies

(3) pneumatophores

(4) chromatophores

Subtopic:  Prokaryotic Cell Organisation |
 86%
From NCERT
NEET - 2013
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Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

1. Bacillus
2. Pseudomonas
3. Mycoplasma
4. Nostoc
Subtopic:  Prokaryotic Cell Organisation |
 93%
From NCERT
NEET - 2017
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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

(1) Lysosome

(2) Ribosome

(3) Chloroplast

(4) Mitochondrion

Subtopic:  Mitochondria |
 87%
From NCERT
NEET - 2017
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Select the mismatch.

1. Gas vacuoles — Green bacteria Cells

2. Large central vacuoles — Animal cells

3. Protists — Eukaryotes

4. Methanogens — Prokaryotes

Subtopic:  Vacuole |
 84%
From NCERT
NEET - 2016
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