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Important Questions on Respiration and Circulation

EASY

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Think about it>Q 1

Why is it difficult to hold one's breath beyond a limit?

HARD

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Can you recall?>Q 1

Which type of circulation is present in cockroach? How is it different from that of humans?

HARD

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Use Your brain Power>Q 1

What is the co-relationship between activeness of organism and complexity of transport system?

HARD

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Think about it>Q 1

Why and when do the leucocytes perform diapedesis?

EASY

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Think about it>Q 1

What are the granules in granulocytes? 

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 1

What is blood clotting? How and when does it occur?

EASY

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 2

What is immunity? Name its types.

MEDIUM

12th Maharashtra Board

IMPORTANT

Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 3

Why does the platelet count decrease in dengue patient?