provide me some most important questions on tissues (biology cl 9 ICSE) For the annual or board examination.
Answers
Answer:
How is nitrogen fixation carried out?
Why is the vertebral column curved and not straight?
Mention any two reasons for the rapid increase of population in India.
Describe hyper secretion of cortical hormones.
Write an experiment to prove that air, water and temperature are needed for the germination of seeds.
Describe the mechanism of a scrubber.
State three points of importance of minerals.
State three characteristics of annelids.
Draw the structure of the human alimentary cana
Explanation:
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Answer:
What is the most important tissue?
Epithelium covers most organs and cavities within the body. It forms a barrier to keep different body systems separate. The skin, the lining of the mouth, the lining of blood vessels, lung alveoli and kidney tubules are all made of epithelial tissue.
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