Question

BIOLOGY
Answer these questions in your biology notebook.
Q1.How are ER, nucleus and Golgi bodies closely associated? Explain with respect to their functioning?
Q2. Draw a well labelled diagram of a plant cell and animal cell.
Q3. Describe the structure of mitochondrion. How does the structure facilitate its function?
Q4. Give i casons for the following:
a) Neurons are often long and wire like.
b) Alveoli in lungs have thin membrane.
C) Plasma membrane plays an important role in generating immune responses.
d) Nucleus occupies a peripheral position i mature plants cells.
Q5. Pickles are often preserved in high salt concentration. How does this prevent microbial growth on pickles?
Q6. Viruses lack cellular organisation. Can they be called living?
PRACTICAL BASED QUESTIONS.
Q7. What kind of cells are human cheek cells? Geithelial cells
Q8. Can water be used as a mounting medium instead of glycerine? Why? Cilycerire i hygroscopic in nature
yang hence des not allows
Q10. What precautions would you observe while preparing the temporary stained mount of an onion peel?
the cells to
Ootto
Read lesson 6 - Tissues and answer the following questions.
dry up​

Answer 1

1. plant cell

2. animal cell

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