O Level

Biology MCQs

O Level Biology MCQs - Complete

Heart: O Level Biology Quizzes Online MCQs p. 80

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"Of the total body mass, the heart weighs", heart o level biology Multiple Choice Questions (MCQ) with choices 0.0049, 0.0039, 0.0059, and 0.0069 for best online colleges for teaching degree. Learn transport in mammals questions and answers to improve problem solving skills for best online colleges for teaching degree.

Heart: O Level Biology Questions and Answers

1.

Of the total body mass, the heart weighs

0.0039
0.0049
0.0059
0.0069

2.

In plants, epicalyx in clitoria is

absent
may be 2
may be 4
more than 4

3.

The disease AIDS stands for

Acquired Iodine Deficiency Syndrome
Acquired Inherited Defective Syndrome
Acquired Immune Deficiency Syndrome
Acquired Immune Deflated Sensations

4.

Prothrombin helps in

fighting against diseases
giving red color to the blood
blood clotting
hormones regulations

5.

In guard cells, Potassium ions (K+) combined with sugars lead to

lower the water potential in guard cells
increase the water potential in guard cells
become turgid
increased temperature of guard cells