MEDIUM
10th CBSE
IMPORTANT
Earn 100

What are stomata? What function do they perform? With the help of diagram explain the opening and closing of stomata.

Important Questions on Life Processes

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 5

Draw sectional view of human heart and label

(i) Pulmonary artery (ii) Aorta (iii) Septum (iv) Ventricles.

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 5
Arteries have thick walls while veins have valves. Explain.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 5
Why are valves needed in the heart?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 5
Leakage of blood from vessels reduces the efficiency of the pumping system. How is the leakage prevented?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 6
How many times the blood goes through the heart during one cycle in fish and why?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 6
List the respiratory pigment present in our body. Where is it present?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 6
Why are valves present in heart and veins?
HARD
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 1 - Life Processes>EXERCISE>Q 7
Explain in brief the mechanism of circulation of blood in the human body.