12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 27/08/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Zoology - Organisms and Population, 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.
Some organisms are able to maintain homeostasis by physical means _______
Conform
Regulate
Migrate
Suspend.
2.
Animals that can move from fresh water to sea called as______
Stenothermal
Eurythermal
Catadromous
Anadromous
3.
Which of the following is correct for r-selected species
Large number of progeny with small size
large number of progeny with large size
small number of progeny with small size
small number of progeny with large size
4.
The relationship between sucker fish and shark is__________
Competition
Commensalism
Predation
Parasitism.
5.
6.
Match the following and choose the correct combination from the options given below.
| Column I | Column II |
| A. Mutalism | 1. Lion and deer |
| B. Commensalism | 2. Round worm and man |
| C. Parasitism | 3. Birds compete with squirrels for nuts |
| D. Competition | 4. Sea anemone on hermit crab |
| E. Predation | 5. Barnacles attached to Whales. |
A- 4, B-5, C-2, D –3, E-1
A- 3, B-1, C-4, D – 2, E-5
A- 2, B-3, C-1, D – 5, E-4
A- 5, B-4, C-2, D – 3, E-1
7.
8.
Competition between species leads to
Extinction
Mutation
Amensalism
Symbiosis
9.
Predation and parasitism are which type of interactions?
(+,+)
(+, O)
(--, --)
(+, --)
10.
The interaction in nature, where one gets benefit on the expense of other is...
Predation
Mutualism
Amensalism
Commensalism
11.
Organisms which can survive a wide range of temperature are called
Ectotherms
Eurytherms
Endotherms
Stenotherms
12.
All populations in a given physical area are defined as
Biome
Ecosystem
Territory
Biotic factors
1.
(b)
Regulate
2.
(c)
Catadromous
3.
(a)
Large number of progeny with small size
4.
(b)
Commensalism
5.
(a)
6.
(a)
A- 4, B-5, C-2, D –3, E-1
7.
(b)
8.
(a)
Extinction
9.
(d)
(+, --)
10.
(d)
Commensalism
11.
(b)
Eurytherms
12.
(a)
Biome
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் 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
