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IGCSE O Level Biology Entrance Tests: Mock Test 72

Online Education: Biology Multiple Choice Questions (MCQs) PDF Download - 72

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The MCQ: In leaves of grasses and maize; "Online Education: Biology" App (Free Android & iOS) with answers: petiole is absent, midrib is absent, leaf base is absent, and lamina is absent for ACT practice test. Practice Nutrition in Plants Questions and Answers, Google eBook to download free sample for GRE test.

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

MCQ: 356

In leaves of grasses and maize

  1. midrib is absent
  2. petiole is absent
  3. lamina is absent
  4. leaf base is absent
MCQ: 357

Pain and touch receptors are found in

  1. dermis
  2. epidermis
  3. hypodermis
  4. all of above
MCQ: 358

In hypothalamus, activation of heat gain center results in

  1. vasodilation
  2. rapid breathing
  3. lower metabolic activity
  4. loss of less latent heat
MCQ: 359

The purpose of the sphincter muscle is to

  1. allow the urine to flow in ureter
  2. hold urine in bladder
  3. relax and allow the urine to flow
  4. connect urine to urethra
MCQ: 360

Veins do not require thick walls

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

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