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12th Biology Weekly Test - 4 ( Botany - Environmental Issues )

St. Britto Hr. Sec. School - Madurai

12th Biology Weekly Test - 4 ( Botany - Environmental Issues )-Aug 2020

Time : 1.00 Hours

Part - A

Multiple Choice Question - Answer All Question

The satellite __________ is used for border surveillance.

INSAT 3DR
SCATSAT- I
CARTOSAT- 2
GSAT- 6A

Deforestation does not lead to

Quick nutrient cycling
soil erosion
alternation of local weather conditions
Destruction of natural habitat weather conditions

The plants which are grown in silivpasture system are

Sesbania and Acacia
Solenum and Crotalaria
Clitoria and Begonia
Teak and sandal

TAP stands for

Tamil Nadu Administration Project
Tamil Nadu Achievement Project
Tamil Nadu Afforestation Project
Tamil Nadu Agrochemical Project

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancer?

Ammonia
Methane
Nitrous oxide
Ozone

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancer?

Ammonia
Methane
Nitrous oxide
Ozone

Find the wrongly matched pair.

Endemism - -Species confined to a region and not found anywhere else.
Hotspots - Western ghats
Ex-situ - Zoological parks
Alien sp. oflndia -Water hyacinth

People’s movement for the protection of environment in Sirsi of Karnataka is

Chipko movement
Amirtha Devi Bishwas movement
Appiko movement
None of the above

One green house gas contributes 14% of total global warming and another contributes 6%. These are respectively identified as

N₂O and CO₂
CFC_s and N₂O
CH₄and CO₂
CH₄ and CFCS

Biochar is another long term method to store

Hydrogen
Oxygen
Heavy metal
Carbon

____________is not helpful in carbon sequestration.

Chlamydomonas
Rhizobium
Cinnamomum
Chlorella

Which of the following would most likely help to slow down the greenhouse effect.

Converting tropical forests into grazing land for cattle.
Ensuring that all excess paper packaging is buried to ashes.
Redesigning landfill dumps to allow methane to be collected.
Promoting the use of private rather than public transport.

The plants which are grown in silivpasture system are

Sesbania and Acacia
Solenum and Crotalaria
Clitoria and Begonia
Teak and sandal

Environmental impact assessment is an

Environment management tool
Trees and plants management tool
Rain harvesting management tool
Supporting tool for biodiversity

Montreal protocol was based on________________

CDM
Carbon sequestration
Ozone depletion
Global warming

With respect to Eichhornia
Statement A: It drains off oxygen from water and is seen growing in standing water.
Statement B: It is an indigenous species of our country.

Statement A is correct and Statement B is wrong
Both Statements A and B are correct
Statement A is correct and Statement B is wrong.
Both statements A and B are wrong

Tree cultivation in private lands was implemented in the state from

2007-08 to 2011
2004-05 to 2010
2002-03 to 2011
2008-09 to 2012

The International treaty called the Montreal protocol was held in.

America
Italy
Canada
England

Deforestation does not lead to

Quick nutrient cycling
soil erosion
alternation oflocal weather conditions
Destruction of natural habitat weather conditions

There are ______________ megacentres of endemism.

3
4
7
6

Jadav "Molai" Payeng transformed ________________ into a forest.

Sundarbans
Majuli
Saintri hills
Sirsi

The main atmospheric layer near the surface of earth is

Troposphere
Mesophere
Ionosphere
stratosphere

Lichens are useful in the studies of atmospheric pollution because they

can grow is greatly polluted atmosphere
can readily multiply in polluted atmosphere
Effectively purify the atmosphere
very sensitive to pollutants

_____________ has single - handedly planted a forest in the middle of a barren wasteland.

Jawaharlal Nehru
Jadav "Molai'' Payeng
Sundarlal Bahuguna
Panduranga Hegde

The unit for measuring ozone thickness

Joule
Kilos
Dobson
Watt

Nitrates from fertilizers reduces oxygen uptake results in.

Acquired Immunodeficiency syndrome
Blue baby syndrome
Down syndrome
Acute chest syndrome

Which of the following would most likely help to slow down the greenhouse effect?

Converting tropical forests into grazing land for cattle.
Ensuring that all excess paper packaging is buried to ashes.
Redesigning landfill dumps to allow methane to be collected.
Promoting the use of private rather than public transport.

People's movement for the protection of environment in Sirsi of Karnataka is

Chipko movement
Amirtha Devi Bishwas movement
Appiko movement
None of the above

_____________ is the most damaging type of UV radiation.

UV A
UV B
UV C
UV II

The gases that capture heat are called green house gases which include.

only CO₂
Methane
N₂O and CFC
All of these

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