Online Cambridge O Level Courses

O Level Biology MCQs

O Level Biology MCQs - Topic

Pollution Sewage as Cause MCQ with Answers PDF

Pollution Sewage as Cause Multiple Choice Questions (MCQ), Pollution Sewage as Cause quiz answers PDF with o level biology live worksheets for online degrees. Solve effects of human activity on ecosystem Multiple Choice Questions and Answers (MCQs), Pollution Sewage as Cause quiz questions for ACT test. Pollution Sewage as Cause MCQ PDF: soil erosion, conservation: renewable resources, deforestation and pollution test prep for online colleges that offer certificate programs.

"In ecosystem, Endemics include" MCQ PDF on pollution: sewage as cause with choices malaria, plague, cholera, and typhoid for ACT test. Solve pollution sewage as cause quiz questions for merit scholarship test and certificate programs for free online college classes.

MCQs on Pollution Sewage as Cause Quiz

MCQ: In ecosystem, Endemics include

malaria
plague
cholera
typhoid

MCQ: Bacteria grow and multiply rapidly in

aerobic environment
anaerobic environment
water
soil

MCQ: An excellent habitat for bacterial growth is

chlorofluorocarbons based products
burning of garbage
untreated sewage
all of above

MCQ: Untreated sewage may cause

outbreak of epidemic
cholera outbreaks
typhoid outbreaks
all of above

MCQ: Hydrogen sulfide (H2S) and ammonia (NH3) are produced from

the chimneys of factories
use of chlorofluorocarbon in foam packaging
decomposition of organic compounds by anaerobic bacteria
treatment of acidic wastes with alkalis

More Topics from O Level Biology App

Shop now

Wilton Excelle Elite 3-Tier Cooling Rack

This three-layered cooling rack just tackled your concerns about baking. "Wilton Excelle Elite 3-Tier Cooling" Rack grows to 3 shelves stacked on top of one another so you can cool clumps of treats and cake layers simultaneously. The enormous limit of this rack makes it a valuable device for baking on any occasion. The built-up non-stick covering gives simple delivery and speedy cleanup. For best outcomes, wash in warm before and after each utilization. Get these exclusive cooling racks to ease your baking.

Bowers & Wilkins PI7 Wireless Headphones

Try featuring Bluetooth 5.0 with Qualcomm aptX Technology. "Bowers & Wilkins PI7 Wireless" Headphones have dual hybrid drivers with individual amplifiers; the B&W PI7 true wireless headphones ensure high fidelity 24-bit streaming. The PI7 has a multi-function button on the left earbud that lets you choose between three levels of adaptive noise cancellation. They also have four microphones for improved call clarity. It comes with a sturdy fast charging case with audio retransmission that allows music streaming by connecting it to a media source via a USB-C cable. A 15-minute quick charge provides up to 2 hours of playback. Buy this must-have gadget today.

Metal Wall Art Geometric Horse and Tree Decor

Try out beautiful artistic metallic wall decor. "Metal Wall Art Geometric Horse and Tree" Decor is made of high quality, lightweight metal with a static powder coating. wall art is available in different colours like white, silver, bronze, gold and grey and is easy to hang. A unique yet stylish wall decor for both indoors and outdoors.

Skullcandy Indy Evo True Wireless In-Ear Earbuds

Review latest water, sweat, and dust-resistant earbuds. "Skullcandy Indy Evo True Wireless" Earbuds have a long battery life of up to 30 hours plus a rapid charge. Each bud has full media controls and can be used with either of the Bud Solo 3 EQ modes, i.e. Music, Movie, Podcast. Genuine Black with Built-in Tile Technology gives you an elegant style.