Proteins that are to be used outside the cell are synthesized:

1. in the mitochondria

2. on the rough endoplasmic reticulum

3. on the smooth endoplasmic reticulum

4. on free ribosomes

Subtopic:  Endomembrane System (Endoplasmic Reticulum) |
 67%
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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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Identify the correct statement regarding the part of cell, the structure of which is shown in the given diagram:

 

1. It is not found in the plant cells

2. It serves to provide an attachment with a surface for a bacterial cell

3. The structure is made of a protein called flagellin

4. It can be used for movement by a eukaryotic cell

Subtopic:  Cilia & Flagella |
From NCERT
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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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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 |
 78%
From NCERT
NEET - 2010
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