9. Major source of emissions in a motor vehicle: crackcase, carburettors, fuel tank and

Crackcase Fuel tank The engine exhaust All of above

10. Which of following are colloidal materials present in domestic sewage?

Calcium Sand Ammonia Fecal matter

View all Chapter and number of question available From each chapter from Biology-MCQS

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Chapter:

Chlorine

Microorganisms

Duricrust.

All of above

Fecal matter

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The Living World

Biological Classification

Plant Kingdom

Animal Kingdom

Morphology of Flowering Plants

Anatomy of Flowering Plants

Structural Organisations in Animals

Cell : The Unit of Life

Biomolecules

Cell Cycle and Cell Division

Transport in Plants

Mineral Nutrition

Photosynthesis in Higher Plants

Respiration in Plants

Plant Growth and Development

Digestion and Absorption

Breathing and Exchange of Gases

Body Fluids and Circulation

Excretory Products and Elimination

Locomotion and Movement

Neural Control and Coordination

Chemical Control and Coordination

Reproduction in Organisms

Sexual Reproduction in Flowering Plants

Human Reproduction

Reproductive Health

Principles of Inheritance and Variation

Molecular Basis of Inheritance

Evolution

Human Health and Disease

Strategies for Enhancement in Food Production

Microbes in Human Welfare

Biotechnology Principles and Processes

Biotechnology and its Applications

Organisms and Populations

Ecosystem

Biodiversity and Conservation

Environmental Issues

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Biology mcqs

Free radicals of bromine are more destructive than _______ in case of ozone depletion.

Name any two sources of e-waste and write two different ways for ir disposal.

How will climate changes affect various animal species?

Who utilizes maximum amount of oxygen in upstream of sewage discharge?

The hard mineral crust formed at or near surface of soil is known as

What is cause of depletion of Ozone layer?

Given is a representation of a type of pollution. Study picture and answer question. State one gaseous compound that leads to depletion of ozone layer and creates 'Ozone holes'.

"Determination of Biological oxygen Demand (BOD) can help in suggesting quality of a water body". Explain.

Major source of emissions in a motor vehicle: crackcase, carburettors, fuel tank and

Which of following are colloidal materials present in domestic sewage?

Guest
You need to login to ask any Questions from chapter Ecosystem of Biology-MCQS

Given is a representation of a type of pollution. Study picture and answer question.
State one gaseous compound that leads to depletion of ozone layer and creates 'Ozone holes'.