EST Unit III: Ecosysytem & Biodiversity TEST

The shape of the pyramid of biomass for a pond or any aquatic ecosystem is

• 1)Inverted

• 2)Upright

• 3)Linear

• 4)Not Certain

Tadoba National park is in______

• 1)Gujarat

• 2)Maharashtra

• 3)MP

• 4)UP

Island is an example of ______ Ecosystem

• 1) River

• 2) Earth

• 3) Ocean

• 4) None of the above

The reason for certain animals getting endangered are ____

• 1) Hunting

• 2) Pollution of Environment

• 3) Natural calamities

• 4) All of the above

Decomposers helps to send ______ to Producers

• 1) Components

• 2) Nutrients

• 3) Constituents

• 4) None of the above

The Plant which blooms when the light duration is more than 12 hours per day is known as _____

• 1) Long day plants

• 2) Short day plants

• 3) Day neutral plant

• 4) Long day and short night plants

The 'Global zoo Ecoregions' is a system derived to conserve biodiversity. Which of the following has taken this initiatives?

• 1) The world wild-life fund

• 2) Africa

• 3) Latin America

• 4) World ecological fund

Biological diversity is declining day by day due to ___

• 1) Hunting

• 2) Smuggling of animals

• 3) Deforestation

• 4) All a, b and c

Which among the following always decreases in a Food chain across tropic levels?

• 1) Number

• 2) Energy

• 3) Accumulated chemicals

• 4) None of the above

About ____ million species are found in the tropical forest alone

• 1) 5

• 2) 7

• 3) 1

• 4) 100