ENVIRONMENTAL SCIENCE QUIZ

Ex situ conservation includes

Zoo

Botanic garden

Germplasm bank

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as

Pyramid of biomass

Pyramid of energy

Pyramid of number

Ecological pyramid

TRUE ANSWER : ?
YOUR ANSWER : ?

Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of

Light

Oxygen

Essential minerals

Food

TRUE ANSWER : ?
YOUR ANSWER : ?

Superbugs are

Radio nucleotide

Synthetic bug

Industries

Bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

As the difference between the air temperature and the dew point increases, the relative humidity:

Remains constant and equal to 100%

Increases

Decreases

Remains constant at a value less than 100%

TRUE ANSWER : ?
YOUR ANSWER : ?

Vermi-composting is a natural method of

Producing compost manure

Managing waste it creates

Producing worms

Destroying worms

TRUE ANSWER : ?
YOUR ANSWER : ?

In July, at middle latitudes in the Northern Hemisphere, the day is long and is with each passing day.

Less than 12 hours; getting shorter

More than 12 hours; getting longer

Less than 12 hours; getting longer

More than 12 hours; getting shorter

TRUE ANSWER : ?
YOUR ANSWER : ?

Energy resources derived from natural organic materials are called

geothermal energy sources

fossil fuels

all of these

biomass

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following regarding ecological pyramids is not correct?

The total energy flow at successive tropical level always decreases

In deep water ecosystem, the pyramid of biomass is upright

In most ecosystems, the pyramid of numbers and biomass are up right

The pyramid of energy expresses mainly the rate of food production

In tree dominated ecosystem the pyramid of numbers is inverted

TRUE ANSWER : ?
YOUR ANSWER : ?

Low clouds retard surface cooling at night better than clear skies because:

The formation of the clouds releases latent heat energy

The clouds absorb and radiate infrared energy back to earth

The clouds start convection currents between them

The water droplets in the clouds reflect infrared energy back to earth

The clouds are better conductors of heat than is the clear night air

TRUE ANSWER : ?
YOUR ANSWER : ?