12th Standard Syllabus & Materials
12th Standard
TN 12th English Poem - 6 - Incident of the French Camp Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 6 - On the Rule of the Road Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 5 - The Chair Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 4 - The Midnight Visitor Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 4 - Ulysses Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 4 - The Summit Sample Question Papers Study Material - QB365 Set A
Published on: 30/08/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Biology Subject - Botany - Environmental Issues, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Biology 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 Biology Test1.
Which is not a true statement regarding rainwater harvesting?
Mitigates groundwater quality
Reduces soil erosion
Decreases soil salinity
No wastage of land for storing
2.
How many numbers of sacred grooves were documented in Tamil Nadu?
484
844
488
448
3.
Which is not true with respect to prosopis julifiora?
Invasive species native to Mexico
Arrest wind erosion
Absorb hazardous chemical from soil
Decreases O2 content of water bodies
4.
Pick out the odd one out _____________
Biosphere reserve
National parks
Wild life sanctuaries
Botanical gardens
5.
Invasive species _______________
alter the soil system
are more adapted
are fast growing
all the above
6.
Who is celebrated as Forest Man of India?
Anand Mohan Chakrabarthy
Dr. M.S. Swaminathan
Jadav Molai Payeng
Choudhary Ram Dhan
7.
Total number of forestry extension centres in Tamil Nadu is ______________
16
32
18
51
8.
Identify the potent cause for deforestation.
Agriculture
Soil erosion
Afforestation
Forest fire
9.
Which is not reduced by deforestation?
Amount of habitat
Amount of animal population
Amount of biodiversity
Amount of agricultural land
10.
Which is not a beneficial aspect of Agroforestry?
Nutrient cycling is improved
Balance in O2 - CO2 composition
Suitable for wetland where rainfall is maximum
Reduces water run-off problem
11.
Methane is ________________ times as effective as CO2 at trapping heat.
5
10
20
100
12.
The total ozone layer over the earth surface is ____________________
30 DU
300 DU
3000 DU
0.3 DU
13.
Identify the incorrect statement with regard to Global warming
Leads to species enrichment
Decrease irrigation
Increases vector population
Frequent heat waves
14.
Which is not a greenhouse gas?
CO2
N2O
O3
CFC
15.
___________ is not a method of waste water treatment.
oxidation ponds
Anaerobic lagoons
Catalytic converter
Anaerobic bioreactor
1.
(a)
Mitigates groundwater quality
2.
(d)
448
3.
(d)
Decreases O2 content of water bodies
4.
(d)
Botanical gardens
5.
(d)
all the above
6.
(c)
Jadav Molai Payeng
7.
(b)
32
8.
(a)
Agriculture
9.
(a)
Amount of habitat
10.
(c)
Suitable for wetland where rainfall is maximum
11.
(c)
20
12.
(b)
300 DU
13.
(a)
Leads to species enrichment
14.
(c)
O3
15.
(c)
Catalytic converter
12th Standard Syllabus & Materials
12th Standard
TN 12th English Supplementary - 3 - The Hour of Truth (Play) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 3 - All the World’s a Stage Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 3 - In Celebration of Being Alive Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 2 - Life of Pi Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
