Class 9 Biology MCQs - Chapter 9

Transport Trivia Questions & Answers PDF Download - 36

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The Transport Trivia Questions and Answers PDF (transport Quiz Answers PDF e-Book) download Ch. 9-36 to study Grade 9 Biology Course. Practice Opening and Closing of Stomata MCQ PDF, Transport Quiz Questions and Answers to learn online schools courses. The Transport Trivia App Download: Free certification app for opening and closing of stomata, human blood circulatory system, myocardial infarction, white blood cells, pulmonary and systemic circulation test prep for online school classes.

The Quiz: During the night, the plants keep their; "Transport" App APK Download with answers: Chlorophyll blocked; Mesophyll opens; Stomata opens; Stomata closed; to learn online schools courses. Practice Opening and Closing of Stomata MCQ Questions, download Kindle eBook (Free Sample) for online degrees.

Transport Test Questions and Answers PDF Download: MCQ 36

MCQ 176:

During the night, the plants keep their

mesophyll opens
chlorophyll blocked
stomata opens
stomata closed

MCQ 177:

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

Ibn-e-Nafees
Charles Darwin
Ernst Haeckel
Rachel Carson

MCQ 178:

The meaning of "angina pectoris" is

artery death
heart death
chest pain
knee pain

MCQ 179:

The macrophages produced by monocytes are responsible for

absorbing hydrogen
absorbing oxygen
engulfing germs
preventing clotting

MCQ 180:

The time for diastole in one heartbeat is

0.6 seconds
0.8 seconds
0.4 seconds
0.5 seconds

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