please give that question answer
Q1. Explain why do spinach look green, papaya yellow and the edible part of watermelon red?
Q2. Write down two main functions of
a) Endoplasmic reticulum
b) Lysosome
Q3. What will happen in a cell ifits nucleus is removed? Give reasons in support of your answer.
Q4. Distinguish between the following.
a) Chromoplast and chloroplast
b) Ribosome and centrosome c) Diffusion and osmosis
Q5. Enumerate functions of the plasma membrane.
Q6. Give a brief account of the discovery of the cell.
Q7. Write down the difference between
a) Nucleus and nucleoid
b) Organ and Organelle
c) Prokaryotic and Eukaryotic
Q8. What would happen when eukaryotic cells are placed in hypotonic, hypertonic and isotonic
solutions? Q9. Write the contribution of following scientist in the study of the cell.
a) Robert Hooke
b) Purkinje
c) Robert brown
d) Schleiden and Schwann
Q10. Name the type of plastids more
common in
a)
Leaves of plant b) Colorful flowers c
) Root of plants
Q11. State the main functions of each of the following components of the cell.
Q12. Learn & Revise the whole syllabus covered so far.
Q13. Draw the diagram of the plant cell and animal cell. Label the cell organelles present in them on
A4 size sheet paper.
Note: Homework must be completed in separate holiday homework notebook. Handwriting should be neat and clean.
Surprise recapitulation will be done by the teacher in the month of July.
