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Differentiate between osmosis and diffusion.
Where are protein synthesised inside the cell?
Where do the lipids and proteins constituting the cell membrane get synthesized?
What is protoplasm? Who coined this term and when?
What is the main function of vacuole in plants and animals?
What name is given to the functional segments of DNA?
Give Reasons for the Following:
Why is the cell called the structural and functional unit of life?
Why is the plasma membrane called a selectively permeable membrane?
Why are lysosomes known as suicide-bags?
Why mitochondria are known as powerhouse of the cell?
Why is it said that, “a cell without a nucleus is without any future”?
Give four differences between prokaryotic and eukaryotic cell.
How vacuoles in plant cells differ from those in animal cells?
Give differences between plant cell and an animal cell.
What is the basic difference between:
Ribosome and Lysosome.
Cell wall and plasma membrane.
How do substances like CO2 and water move in and out of the cell? Discuss.
What would happen to the life of a cell if there was no golgi apparatus?
What may happen to the size of the cell if it is placed in such solutions which vary in their concentration:
i. When placed in Hypotonic solution.
ii. When placed in Hypertonic solution.
iii. When placed in Isotonic solution.
What would happen to the life of a cell if the plasma membrane ruptures or breaks down?
How does an Amoeba obtain its food?
What is nucleoid?
What does chromosome contain?
What is the function of chromatin material?
Why do grass look green, papaya yellow and edible part of watermelon red?
It is generally said that ‘Golgi apparatus works in coordination with Endoplasmic reticulum’. Explain how.
Draw a diagram of a plant cell and Label at least eight important organelles in it.
Draw a diagram of an animal cell and label at least eight organelles in it.
Draw a diagram of a prokaryotic cell and label at least four parts in it.
What happens when egg is first put hydrochloric acid for sometimes and then placed in a concentrated salt solution?
What happens when raisins are placed in:
(a) Water at room temperature
(b) Water at 4°C
(c) Concentrated sugar solution.
Where can you find the following structures:
C. Cell wall
D. Golgi apparatus