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9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 08/12/2020
9th Standard Social Science Biosphere English Medium Free Online Test 1 Mark Questions 2020-2021
Download Tamil Nadu 9th Standard Social Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Social Science Test
1.
A healthy ecosystem provides
clean water
enriched soil
raw materials
All of the above
2.
Zebra and goat come under __________consumers.
Primary
Secondary
Tertiary
None of the above
3.
Abiotic components include
Non-living things
Living things
only plants
only animals
4.
The branch of science that deals with ecosystem is called
Etymology
Geology
Limnology
Ecology
5.
The life supporting layer is known as
Atmosphere
Hydrosphere
Lithosphere
Biosphere
6.
Why is the usage of rainforest biomes for large scale agriculture unsustainable?
because it is too wet
because the temperature is too warm.
because the soil is too thin
because the soil is poor
7.
Nutrients are recycled in the atmosphere with the help of certain microorganisms, referred to as
Producers
Decomposers
Consumers
None of the above
8.
The coldest biome on Earth is
Tundra
Taiga
Desert
Oceans
9.
Assertion (A): Biosphere Reserves are established in India.
Reason (R): Today's loss of biodiversity is habitat alteration caused by human activities
a) Both assertion (A) and reason (R) are true; R explains A
b) Both assertion(A) and reason (R) are true; R does not explain A
c) A is true; R is false
d) Both A and R are false
Both assertion (A) and reason (R) are true; R explains A
Both assertion(A) and reason (R) are true; R does not explain A
A is true; R is false
Both A and R are false
10.
Assertion (A): In temperate grassland biomes pastoral industry becomes the main occupation.
Reason (R): Apart from wheat cultivation, tall and short soft grass are grown in the temperate grassland biomes.
a) Both assertion (A) and reason (R) are true; R explains A
b) Both assertion(A) and reason (R) are true; R does not explain A
c) A is true; R is false
d) Both A and R are false
Both assertion (A) and reason (R) are true; R explains A
Both assertion(A) and reason (R) are true; R does not explain A
A is true; R is false
Both A and R are false
1.
(d)
All of the above
2.
(a)
Primary
3.
(a)
Non-living things
4.
(d)
Ecology
5.
(d)
Biosphere
6.
(a)
because it is too wet
7.
(d)
None of the above
8.
(a)
Tundra
9.
Both assertion (A) and reason (R) are true; R explains A
10.
Both assertion (A) and reason (R) are true; R explains A
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
