Class 9 Online Courses

Chapter 9: Class 9 Biology Exam Tests

Class 9 Biology MCQs - Chapter 9

Transport Multiple Choice Questions (MCQ) PDF - 36

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Transport Questions & Answers PDF Download: MCQ Quiz 36

MCQ 176: During the night, the plants keep their

A) mesophyll opens
B) chlorophyll blocked
C) stomata opens
D) stomata closed

MCQ 177: The scientist who described the blood circulation pathway for the first time is

A) Ibn-e-Nafees
B) Charles Darwin
C) Ernst Haeckel
D) Rachel Carson

MCQ 178: The meaning of "angina pectoris" is

A) artery death
B) heart death
C) chest pain
D) knee pain

MCQ 179: The macrophages produced by monocytes are responsible for

A) absorbing hydrogen
B) absorbing oxygen
C) engulfing germs
D) preventing clotting

MCQ 180: The time for diastole in one heartbeat is

A) 0.6 seconds
B) 0.8 seconds
C) 0.4 seconds
D) 0.5 seconds

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Transport App (Android & iOS)

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9th Grade Biology App (Android & iOS)

9th Grade Biology App (Android & iOS)

Phylum App (Android & iOS)

Phylum App (Android & iOS)

Zoology App (Android & iOS)

Zoology App (Android & iOS)