O Level Courses

IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 139

Mammalian Skin Quiz PDF: Questions and Answers - 139

The Mammalian Skin Quiz Questions and Answers PDF, Mammalian Skin Quiz Answers PDF Download e-Book Ch. 9-139 to solve IGCSE O Level Biology Practice Tests. Learn Homeostasis in Biology MCQ Questions PDF, Mammalian Skin Multiple Choice Questions (MCQ Quiz) to study online certificate courses. The Mammalian Skin Quiz App Download: Free educational app for mammalian skin, atmospheric pollution, medical drugs: antibiotics, health pyramid, gcse biology test prep for colleges that offer online degrees.

The Quiz: Tissue respiration is most active in; "Mammalian Skin" App (iOS & Android) with answers: Muscles; Lungs; Liver; Stomach; for colleges that offer online degrees. Study Homeostasis in Biology Questions and Answers, Google eBook to download free sample for colleges that offer online degrees.

Mammalian Skin Questions and Answers PDF Download: Quiz 139

MCQ 691:

Tissue respiration is most active in

  1. lungs
  2. muscles
  3. liver
  4. stomach
MCQ 692:

Sulfur dioxide (SO2) may be reduced in air, if

  1. catalytic converters are used in cars
  2. car pools are used
  3. filters or scrubbers are used in chimneys
  4. ozone friendly products are introduced
MCQ 693:

Drugs useful against bacteria resistant to penicillin include

  1. Cephalosporin only
  2. Erythromycins only
  3. Augmentin
  4. Cephalosporin and Erythromycins
MCQ 694:

In Healthy Diet Pyramid, fruits and vegetables are at the

  1. level 1
  2. level 2
  3. level 3
  4. level 4
MCQ 695:

More carbon dioxide (CO2) can be removed from the body if

  1. more water is removed from the body
  2. animal has a thick skin
  3. thinly lined lungs or gills are present
  4. more water is present

IGCSE O Level Biology Exam Prep Tests

Mammalian Skin Learning App: Free Download Android & iOS

The App: Mammalian Skin Quiz App to learn Mammalian Skin textbook, O Level Biology Quiz App, and 10th Grade Biology Quiz App. The "Mammalian Skin Quiz" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Free download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Mammalian Skin App (Android & iOS)

Mammalian Skin App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

Cell Biology App (Android & iOS)

Cell Biology App (iOS & Android)