Online E-Quiz on Environment and Ocean Sciences

Online E-Quiz on Environment and Ocean Sciences

 

1. Which of the following country will host the World Environment Day 2021 event? 

Germany

Pakistan

India

Canada

Answer: Pakistan

 

2. What is the theme of World Environment Day 2021?

Ecosystem Restoration

Restore Our Earth

Connecting People with Nature

Seven Billion Dreams

Answer: Ecosystem Restoration

 

3. What percentage of the planet’s land is covered by forests? 

28%

25%

40%

31%

Answer: 31%

 

4. When and where was the Environment Day Anthem launched? 

Nepal, 1995

US, 2000

India, 2013

UK, 2006

Answer: India, 2013

 

5. The relationship in which two co-habiting or cooperating organisms benefit each other is called 

Symbiosis

Coevolution

Commensalism

Mutualism

Answer: Mutualism

 

6. The following are phycocolloid extracts of marine algae having economic value 

Algin and carrageenan

Phycobilins and carotenoids

Fucoxanthin

All of the above

Answer: Algin and carrageenan

 

7. The following is known to apply to red tides 

All red tides involve phytoplanktonic neurotoxins that do not kill shellfish, but may harm people that eat the shellfish

All red tides involve phytoplankton that make neurotoxins harmful to all animals

Only some involve phytoplankton neurotoxins that harm all animals including people

Only some involve phytoplankton neurotoxins that do not kill shellfish, but may harm people that eat the shellfish

Answer: Only some involve phytoplankton neurotoxins that do not kill shellfish, but may harm people that eat the shellfish

 

8. Coral reefs are being threatened and destroyed by

Dynamite and cyanide fishing

Clearing of terrestrial forests for agriculture

An increase in bacterial and fungal diseases

All of the above

Answer: All of the above

 

9. When is worlds environment day celebrated every year? 

June 5th

July 5th

January 5th

September 5th

Answer: June 5th

 

10. The biotic components in the ecosystem which make their food self are called 

decomposers

producers

donors

rotifiers

Answer: producers

 

11. Which region is declared as the first Hotspot in India? 

Ooty

Kodaikanal

Nilgiris

Wayanad

Answer: Nilgiris

 

12. The method of soil conservation in the coastal and dry regions where rows of trees are planted to check the wind movement to protect soil cover is called

Mulching

Contour barriers

Rock dam

Shelter belts

Answer: Shelter belts

 

13. The Earth summit was organised by 

UNESCO

UNCED

WHO

UNICEF

Answer: UNCED

 

14. Which of the following aquatic plant is effective in preventing the water-pollution caused by industrial waste?

Water Hyacinth

Elephant Grass

Parthenium

Cyprus

Answer: Water Hyacinth

 

15. Where are the most stable Ecosystems found? 

Soil

Sludge

Ocean

Air

Answer: Ocean

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