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: 21/06/2021
QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.
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.
Assertion (A): Snake is a stenotherm.
Reason (R): Organism can tolerate narrow temperature fluctuations
Both A and R are correct R explain A
A is correct R is incorrect
R does not explain A
Both A and R are incorrect
2.
Which two of the following changes (A to D) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more)?
A) Increase in red blood cell size
B) Increase in red blood cell production
C) Increased breathing rate
D) Increase in thrombocyte count
(B) and (C)
(C) and (D)
(A) and (D)
(A) and (B)
3.
Which one of the following is most appropriately defined?
Host is an organism which provides food to another organism.
Amensalism is a relationship in which one species is benefited whereas the other is unaffected.
Predator is an organism that catches and kills other organisms for food.
Parasite is an organism which always lives inside the body of other organism and may kill it.
4.
1000 fish in the volume of water in the pond indicates _____________________
Relative abundance
Ecological density
Crude density
Population density
5.
Van't Hoffs rule describes the impact of ____________ on the environment.
Light
Temperature
Water
Soil
1.
(a)
Both A and R are correct R explain A
2.
(d)
(A) and (B)
3.
(c)
Predator is an organism that catches and kills other organisms for food.
4.
(b)
Ecological density
5.
(b)
Temperature
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
