CBSE Class 7 Science Life Processes in Plants (Class 7 NCERT New) Quiz 11

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CBSE › Class 7 › Science › Life Processes in Plants (Class 7 NCERT New)

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1. What is the beating sound of the heart caused by?

A Blood flowing through arteries B The opening and closing of heart valves C The contraction of lung muscles D The movement of the diaphragm

2. Which part of the human excretory system stores urine before it is released from the body?

A Kidney B Ureter C Urinary bladder D Urethra

3. What is the process called when the kidneys filter blood and remove waste to form urine?

A Digestion B Osmoregulation C Ultrafiltration D Transpiration

4. Which of the following animals uses Malpighian tubules for excretion?

A Fish B Insects C Frogs D Earthworms

5. What is the average number of times the human heart beats per minute at rest?

A 40 to 50 times B 100 to 120 times C 70 to 80 times D 150 to 160 times

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