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: 13/05/2022
QB365 provides detailed and simple solution for every book back questions in class 12 Biology subject.It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload 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.
The following diagram represents
pyramid of number in a grassland ecosystem
pyramid of number in a pond ecosystem
pyramid of number in a forest ecosystem
pyramid of biomass in a pond ecosystem
2.
Significance of food web is / are ______.
it does not maintain stability in nature
it shows patterns of energy transfer
it explains species interaction
b and c
3.
Which one is in descending order of a food chain?
Producers \(\rightarrow \) Secondary consumers \(\rightarrow \) Primary consumers \(\rightarrow \) Tertiary consumers
Tertiary consumers \(\rightarrow \) Primary consumers \(\rightarrow \)Secondary consumers \(\rightarrow \) Producers
Tertiary consumers \(\rightarrow \) Secondary consumers \(\rightarrow \) Primary consumers \(\rightarrow \) Producers
Tertiary consumers \(\rightarrow \) Producers \(\rightarrow \) Primary consumers \(\rightarrow \) Secondary consumers
4.
Ecosystem consists of ____.
decomposers
producers
consumers
all of the above
5.
Which of the following ecosystem has the highest primary productivity?
Pond ecosystem
Lake ecosystem
Grassland ecosystem
Forest ecosystem
1.
(c)
pyramid of number in a forest ecosystem
2.
(d)
b and c
3.
(c)
Tertiary consumers \(\rightarrow \) Secondary consumers \(\rightarrow \) Primary consumers \(\rightarrow \) Producers
4.
(d)
all of the above
5.
(d)
Forest ecosystem
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
