| Features | Animal Cell | Plant Cell |
| Cell wall | Absent | Present (Formed of cellulose) |
| Shape | Round | Rectangular |
| Vacuole | One or more small vacuoles | One large central vacuole |
| Centrioles | Present | Usually absent (Only present in lower plants) |
| Chloroplast | Absent | Present |
| Plastids | Absent | Present |
| Outer covering | Only cell membrane | Cell wall and cell membrane |
| Lysosomes | Present | Usually not evident |
| Cilia | Present | Very rare |
Chapter#1 Question # 1:How does a person spend his time in old age after retirement? Answer : After retirement when a person becomes old, he has nothing to do. His time seems to pass like lazy cattle moving across a landscape(valley). Question # 2:Why did Chips keep on adjusting his timetable according to the school bells even after the retirement? Answer : After spending more than forty three(43) years at Brookfield, it was not possible for Chips to break his ties with school. He began to live across the road and Mrs. Wickets. That's why it was possible for Chips to keep on adjusting his timetable according to the school bells. Question # 3:How did Chips voice sound in old age? Answer : Although Chips had become old yet he did not loose the zeal and zeast for the life. So his voice remained resonant and lively even in his old age. Question # 4:What did Chips do before going to the bed? Answer : Chips was spending a pleasant and placid time at Mrs. Wickets after his retirem...
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