IGCSE O Level Biology MCQs – Mock Test 72

Online Education: Biology MCQ with Answers PDF Download – Test 72

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Online Education: Biology MCQ – Mock Test 72 PDF Download

MCQ 356: In leaves of grasses and maize:

midrib is absent
petiole is absent
lamina is absent
leaf base is absent

MCQ 357: Pain and touch receptors are found in:

dermis
epidermis
hypodermis
all of above

MCQ 358: In hypothalamus, activation of heat gain center results in:

vasodilation
rapid breathing
lower metabolic activity
loss of less latent heat

MCQ 359: The purpose of the sphincter muscle is to:

allow the urine to flow in ureter
hold urine in bladder
relax and allow the urine to flow
connect urine to urethra

MCQ 360: Veins do not require thick walls:

as they do not have to work harder
they are required only occasionally
the blood pressure declines while it gets to veins
the blood pressures is immense

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