UPSC CSE Prelims
Question 66
Which of the following statements are correct regarding the general difference between plant and animal cells?
- Plant cells have cellulose cell walls whilst animal cells do not.
- Plant cells do not have plasma membrane unlike animal cells which do.
- Mature plant cell has One large vacuole whilst an animal cell has many small vacuoles.
Select the correct answer using the code given below
View correct answer and explanation
Correct answer: C
Correct Option: C (1 and 3 only)
Explanation: Typical plant cells have cellulose cell walls plus a plasma membrane and often one large central vacuole; animal cells lack cellulose walls and usually have smaller vacuoles.
Statement / Pair / Item-wise Analysis:
1. Correct - Plant cell walls are cellulose-rich, unlike animal cells.
2. Incorrect - Plant cells possess a plasma membrane beneath the wall, like animal cells.
3. Correct - Mature plant cells usually have a large central vacuole; animal-cell vacuoles are typically smaller.
Option-wise Analysis:
A. Incorrect-includes incorrect item 2 (Plant cells possess a plasma membrane beneath the wall, like animal cells); omits correct item 3 (Mature plant cells usually have a large central vacuole; animal-cell vacuoles are typically smaller).
B. Incorrect-includes incorrect item 2 (Plant cells possess a plasma membrane beneath the wall, like animal cells); omits correct item 1 (Plant cell walls are cellulose-rich, unlike animal cells).
C. Correct-includes all and only valid statements/items 1, 3.
D. Incorrect-includes incorrect item 2 (Plant cells possess a plasma membrane beneath the wall, like animal cells).