Q1)Differentiate between the plant cell and animal cell.
Q2)What are the functions of:
a)cell wall
b)Plastids
In a plant cell?
Q3)Name the cell organelles called as:
a)kitchen of the cell
b)powerhouse of the cell
c)suicidal bags of the cell
d)protein factories of the cell.
Q4)Draw and describe the structure and composition of the nucleus.
Q5)Give the functions of:
a)Ribosomes
b)Endoplasmic reticulum
c)Golgi apparatus
d)Nucleolus
e)Chromosomes
f)Mitochondria.
Answers
Answer: Plant Cell Animal Cell
Cell Shape
Square or rectangular in shape Irregular or round in shape
Cell Wall
Present Absent
Plasma/Cell Membrane
Present Present
Endoplasmic Reticulum
Present Present
Nucleus
Present and lies on one side of the cell Present and lies in the centre of the cell
Lysosomes
Present but are very rare Present
Centrosomes
Absent Present
Golgi Apparatus
Present Present
Cytoplasm
Present Present
Ribosomes
Present Present
Plastids
Present Absent
Vacuoles
Few large or a single, centrally positioned vacuole Usually small and numerous
Cilia
Absent Present in most of the animal cells
Mitochondria
Present but fewer in number Present and are numerous
Mode of Nutrition
Primarily autotrophic Heterotrophic
Explanation:
Answer:
Plant cell Animal cell
1. Have a cellulose cell wall outside the cell membrane. 1. Have no cell wall.
2. Have a cell membrane. 2. Have no chloroplasts.
3. Have cytoplasm. 3. Have only small vacuoles.
4. Have a nucleus. 4. Often irregular in shape.
5. Often have chloroplasts containing chlorophyll. 5. Do not contain plastids.
6. Have prominent one or more vacuoles. 6. Have complex and prominent Golgi apparatus.
7. Often regular in shape. 7. Cytoplasm fills almost the entire cell.