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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 169

Atmospheric Pollution Quiz Questions and Answers PDF - 169

The Atmospheric Pollution Quiz Questions and Answers PDF, Atmospheric Pollution Quiz with Answers PDF Download e-Book Ch. 7-169 to prepare IGCSE O Level Biology Practice Tests. Solve Effects of Human Activity on Ecosystem MCQ with answers PDF, Atmospheric Pollution Multiple Choice Questions (MCQ Quiz) for schools that offer online degrees. The Atmospheric Pollution Quiz App Download: Free learning app for atmospheric pollution, ultrafiltration, enzymes: o level biology, introduction to biotechnology, structure of root test prep for SAT test prep classes.

The Quiz: Nitrates (NO3-1) and phosphates (PO4-3) reach underground water with; "Atmospheric Pollution" App Download (Free) with answers: Fertilizers washed away by rain water; Acid rains; Decomposition of organic compounds by anaerobic bacteria; Decomposition of organic compounds by aerobic bacteria; for schools that offer online degrees. Learn Effects of Human Activity on Ecosystem Questions and Answers, Apple eBook to download free sample to study online GCSE courses.

Atmospheric Pollution Questions and Answers PDF Download: Quiz 169

MCQ 841:

Nitrates (NO3-1) and phosphates (PO4-3) reach underground water with

  1. acid rains
  2. fertilizers washed away by rain water
  3. decomposition of organic compounds by anaerobic bacteria
  4. decomposition of organic compounds by aerobic bacteria
MCQ 842:

In excretion process ultrafiltration retains

  1. proteins only
  2. platelets only
  3. water
  4. proteins and platelets
MCQ 843:

Mammals do not produce

  1. salivary amylase
  2. catalase
  3. pancreatic amylase
  4. Cellulose
MCQ 844:

Process of using natural bacteria in mining industry is known as

  1. biodegradation
  2. bio genomics
  3. bioremediation
  4. bioleaching
MCQ 845:

From the root hair cells, the water travels through the

  1. pith cells
  2. epidermis
  3. cuticle
  4. cortex

IGCSE O Level Biology Exam Prep Tests

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Atmospheric Pollution App (Android & iOS)

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O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (iOS & Android)