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Tissues

Question

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hat are structural and functional difference between plants and animals?

Solution

. No.	Plants	Animals
1.	Most of the tissues are supportive to provide structural strength. Most of these tissues are dead.	Most of the tissues they contain are living and contain living protoplasm.
2.	Growth is limited to certain regions only.	there is no demarcation of dividing and non-dividing regions.
3.	The structural organisation of organs and organ system is simple.	The structural organisation of organs and organ system is very specialised and localised.

Some More Questions From Tissues Chapter

How is a prokaryotic cell different from a eukaryotic cell?

What would happen if the plasma membrane ruptures or breaks down?

What would happen to the life of a cell if there was no Golgi apparatus?

Which organelle is known as the powerhouse of the cell? Why?

Where do the lipids and proteins constituting the cell membrane get synthesized?

How does an Amoeba obtain its food?

What is osmosis?

Carry out the following osmosis experiment:

Take four peeled potato halves and hollow each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,

(a) keep cup A empty

(b) put one teaspoon sugar in cup B

(c) put one teaspoon salt in cup C

(d) put one teaspoon sugar in boiled potato cup D.

Keep this setup for two hours. Then observe the four potato cups and answer the following :

(i) Explain why water gathers in the hollowed portion of B and C?

(ii) Why is potato A necessary for this experiment?

(iii) Explain why water does not gather in the hollowed out portions of A and D.

By which instrument you can see internal structure of onion peel cell?

Do different organisms have different types of basic building units ? Briefly explain.

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