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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Which of the following statement(s) is/are not correct regarding lysosomes? 
A. The hydrolytic enzymes of lysosomes are active under alkaline pH 
B. Lysosomes are membrane-bound structures 
C. Lysosomes are formed by the process of packaging in the endoplasmic reticulum 
D. Lysosomes have numerous hydrolytic enzymes 
Choose the correct answer from the options given below: 
1. A only  2. B, D Only 
3. A, D Only  4. A, C Only 
Subtopic:  Lysosomes |
 58%
From NCERT
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