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Published on: 30/08/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Botany - Economically Useful Plants and Entrepreneurial Botany, 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.
2.
Which one of the following matches is correct?
Palmyra - Native of Brazil
Saccharum - Abundant in Kanyakumari
Steveoside - Natural sweetener
Palmyra sap - Fermented to give ethanol
3.
4.
Observe the following statements and pick out the right option from the following:
Statement I: The drug sources of Siddha include plants, animal parts, ores and minerals.
Statement II: Minerals are used for preparing drugs with long shelf-life.
Statement I is correct
Statement II is correct
Both statements are correct
Both statements are wrong
5.
Observe the following statements and pick out the right option from the following:
Statement I – Perfumes are manufactured from essential oils.
Statement II – Essential oils are formed at different parts of the plants.
Statement I is correct
Statement II is correct
Both statements are correct
Both statements are wrong
6.
Find out the correctly matched pair.
Rubber-Shorea robusta
Dye-Lawsonia inermis
Timber-Cyperus papyrus
Pulp-Hevea brasiliensis
7.
8.
New world species of cotton _____.
Gossypium arboretum
G. herbaceum
Both a and b
Gossypium barbadense
9.
10.
Tectona grandis is coming under family _____.
Lamiaceae
Fabaceae
Dipterocaipaceae
Ebenaceae
11.
Statement A: Coffee contains caffeine
Statement B: Drinking coffee enhances cancer
A is correct, B is wrong
A and B – Both are correct
A is wrong, B is correct
A and B – Both are wrong
12.
Groundnut is native of ____.
Philippines
India
North America
Brazil
13.
Assertion: Vegetables are important part of healthy eating.
Reason: Vegetables are succulent structures of plants with pleasant aroma and flavours.
Assertion is correct, Reason is wrong
Assertion is wrong, Reason is correct
Both are correct and reason is the correct explanation for assertion.
Both are correct and reason is not the correct explanation for assertion.
14.
Consider the following statements and choose the right option.
i) Cereals are members of grass family.
ii) Most of the food grains come from monocotyledon.
(i) is correct and (ii) is wrong
Both (i) and (ii) are correct
(i) is wrong and (ii) is correct
Both (i) and (ii) are wrong
1.
(b)
2.
(d)
Palmyra sap - Fermented to give ethanol
3.
(c)
4.
(b)
Statement II is correct
5.
(c)
Both statements are correct
6.
(b)
Dye-Lawsonia inermis
7.
(c)
8.
(d)
Gossypium barbadense
9.
(a)
10.
(a)
Lamiaceae
11.
(a)
A is correct, B is wrong
12.
(d)
Brazil
13.
(a)
Assertion is correct, Reason is wrong
14.
(b)
Both (i) and (ii) are correct
12th Standard Syllabus & Materials
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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
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