A common characteristic feature of plant sieve tube cells and most mammalian erythrocytes is

1. absence of mitochondria

2. presence of cell wall

3. presence of haemoglobin

4. absence of nucleus

 

 

Subtopic:  Eukaryotic Cell Orgenelle |
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Select which one is not true for ribosome

1. Made up of two sub-units

2. Form polysome

3. May attach to mRNA

4. Have no role in protein synthesis

 

 

Subtopic:  Ribosome and Inclusion Bodies |
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Which one of these is not a eukaryote?

1.  Euglena

2.  Anabaena

3.  Spirogyra

4.  Agaricus

 

 

Subtopic:  Prokaryotic Cell Organisation | Eukaryotic Cell Architecture: Types |
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Which of the following stain is not used for staining chromosomes?

1.  Basic fuschsin

2.  Safranin

3.  Methylene blue

4.  Carmine

Subtopic:  Nucleus: Chromosomes |
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Different cells have different sizes. Arrange the following cells in an ascending order of their size. Choose the correct option among the followings.

I. Mycoplasma 
II. Ostrich eggs
III. Human RBC
IV. Bacteria
1.  I, IV, III, II   
2.  I, I, IIL, IV
3.  II, I, III, IV 
4.  III, II, I, IV

 

 

Subtopic:  Cell Organisation |
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Which of the following features is common to prokaryotes and many eukaryotes?

1.  Chromatin material present

2.  Cell wall present

3.  Nuclear membrane present

4.  Membrane bound sub-cellular organelles present

Subtopic:  Details of Prokaryotic Cell Structure | Eukaryotic Cell Orgenelle |
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Who proposed the fluid mosaic model of plasma membrane?

1.  Camillo Golgi

2.  Schleiden and Schwann

3.  Singer and Nicolson

4.  Robert Brown

 

 

Subtopic:  Evidence for Fluidic Nature of Membrane |
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Which of the following statement is true for a secretory cell?

1.  Golgi apparatus is absent

2.  Rough Endoplasmic Reticulum (RER)is easily observed in the cell.

3.  Only Smooth Endoplasmic Reticulum (SER) is present.

4.  Secretory granules are formed in nucleus.

 

Subtopic:  Endomembrane System |
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What is a tonoplast?

1.  outer membrane of mitochondria 

2.  inner membrane of mitochondria

3.  membrane boundary of the vacuole of plants cell

4.  cell membrane of plant cell

 

 

Subtopic:  Vacuole |
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Which of the following is not true of a eukaryotic cell?

1.  Cell wall is made up of peptidoglycans

2.  It has 80S type of ribosome present in the cytoplasm

3.  Mitochondria contain circular DNA

4.  Membrane boundorganelles are present

 

 

Subtopic:  Cell Wall |
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