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 |
 84%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 |
 93%
From NCERT
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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 |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following stain is not used for staining chromosomes?

1.  Basic fuchsin

2.  Safranin

3.  Methylene blue

4.  Carmine

Subtopic:  Nucleus: Chromosomes |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Different cells have different sizes. Given are the following cells:
I. Mycoplasma 
II. Ostrich eggs
III. Human RBC
IV. Bacteria
The correct ascending order of their size of the cells given above will be : 
1.  I, IV, III, II   
2.  I, I, IIL, IV
3.  II, I, III, IV 
4.  III, II, I, IV

Subtopic:  Cell Organisation |
 89%
From NCERT
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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 |
From NCERT
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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 |
 95%
From NCERT
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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 |
 53%
From NCERT
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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 plant cell

4.  cell membrane of plant cell

Subtopic:  Vacuole |
 94%
From NCERT
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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 bound organelles are present

Subtopic:  Cell Wall |
 77%
From NCERT
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