How many of the given statements are true?
I: All cells arise from pre-existing cells.
II: Prokaryotic cells do not have any organelles.
III: Eukaryotic cells have only membrane bound organelle.
IV: Centrosome helps in cell division in plants and animals.
1. 1
2. 2
3. 3
4. 4
Subtopic:  Cell Theory | Eukaryotic Cell Orgenelle | Lysosomes | Ribosome and Inclusion Bodies |
 57%
From NCERT
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Ribosomes are the site of protein synthesis. Identify the correct statement:
I: Several ribosomes may attach to a single mRNA and form a chain called polyribosomes or polysome.
II: The ribosomes of a polysome translate the mRNA into different proteins.
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Ribosome and Inclusion Bodies |
From NCERT
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