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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 3

Stomata and Functions Quiz PDF: Questions and Answers - 3

The Stomata and Functions Quiz Questions and Answers PDF, Stomata and Functions Quiz Answers PDF Download e-Book Ch. 13-3 to solve IGCSE O Level Biology Practice Tests. Learn Nutrition in Plants MCQ Questions PDF, Stomata and Functions Multiple Choice Questions (MCQ Quiz) to learn online IGCSE courses. The Stomata and Functions Quiz App Download: Free educational app for stomata and functions, red blood cells and haemoglobin, mode of action of heart, gastric juice, circulatory system test prep for colleges that offer online classes.

The Quiz: Guard cells of stoma are; "Stomata & Functions" App (iOS & Android) with answers: Convex in shape; Irregular in shape; Long and cylindrical in shape; Kidney-shaped; for colleges that offer online classes. Study Nutrition in Plants Questions and Answers, Google eBook to download free sample for online colleges for science.

Stomata & Functions Questions and Answers PDF Download: Quiz 3

MCQ 11:

Guard cells of stoma are

  1. irregular in shape
  2. convex in shape
  3. long and cylindrical in shape
  4. kidney-shaped
MCQ 12:

Special kind of protein containing iron is called as

  1. hormones
  2. hemoglobin
  3. fibrinogen
  4. globulins
MCQ 13:

In the cardiac system, systole means

  1. a "lub" sound
  2. ventricular relaxation
  3. closure of semilunar valves
  4. a "dub" sound
MCQ 14:

The pH of succus entericus is

  1. below 7
  2. neutral
  3. above 7
  4. depending upon the type of food to be digested
MCQ 15:

Pulmonary veins carry

  1. red oxygenated blood
  2. bluish red deoxygenated blood
  3. deoxygenated blood from heart to the lungs
  4. oxygenated blood from lungs to heart

IGCSE O Level Biology Exam Prep Tests

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Stomata & Functions App (Android & iOS)

Stomata & Functions App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Cell Biology App (Android & iOS)

Cell Biology App (Android & iOS)

MCAT Biology App (Android & iOS)

MCAT Biology App (iOS & Android)