ENVIRONMENTAL SCIENCE QUIZ

Flora is the __________ life occurring in a particular region or time

human

plant

animal

microbial

TRUE ANSWER : ?
YOUR ANSWER : ?

How do red and blue light differ?

Red light has a higher intensity.

Blue light has a higher speed of propagation.

Red and blue light have different directions of polarization.

The wavelength of red light is longer.

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the cause of the Exxon Valdez?

none of these.

a ship which wrecked on the coast of India

a plane which crashed and caused death of human life

Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.

TRUE ANSWER : ?
YOUR ANSWER : ?

When human body is infected by infection __________ type of cells are activated to defend the body.

erythrocytes

monocytes

leukocytes

lymphocytes

TRUE ANSWER : ?
YOUR ANSWER : ?

Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for

Ecological succession

Biodiversity loss

Pollution

Population exploitation

Migration

TRUE ANSWER : ?
YOUR ANSWER : ?

A population is a group of

species in a community

individuals in a species

communities in an ecosystem

individuals in a family

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 energy

Ecological pyramid

Pyramid of number

Pyramid of biomass

TRUE ANSWER : ?
YOUR ANSWER : ?

In the figure below, energy is being transported ____.

Downward

Upward

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YOUR ANSWER : ?

What is Canopy?

Uppermost level of the forest

Soil in forest

Ground level of the forest

Climbers on trees

TRUE ANSWER : ?
YOUR ANSWER : ?

Bell-shaped polygonal pyramid indicates

high percentage of young individuals

low percentage of old individuals

low percentage of young individuals

moderate percentage of young individuals

TRUE ANSWER : ?
YOUR ANSWER : ?