IGCSE O Level Biology Practice Test 169

Atmospheric Pollution Quiz Questions and Answers PDF Download - 169

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The Atmospheric Pollution Quiz Questions and Answers PDF (Atmospheric Pollution Quiz with Answers PDF e-Book) download Ch. 7-169 to learn 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: IGCSE O Level Biology Learning App [Free] 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 aerobic bacteria, and decomposition of organic compounds by anaerobic 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: MCQ 169

MCQ: 841

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

acid rains
fertilizers washed away by rain water
decomposition of organic compounds by anaerobic bacteria
decomposition of organic compounds by aerobic bacteria

MCQ: 842

In excretion process ultrafiltration retains

proteins only
platelets only
water
proteins and platelets

MCQ: 843

Mammals do not produce

salivary amylase
catalase
pancreatic amylase
Cellulose

MCQ: 844

Process of using natural bacteria in mining industry is known as

biodegradation
bio genomics
bioremediation
bioleaching

MCQ: 845

From the root hair cells, the water travels through the

pith cells
epidermis
cuticle
cortex

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