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: 05/11/2020
12th Standard Botany - Economically Useful Plants and Entrepreneurial Botany English Medium Online Test 1 Mark Questions with Answer Key
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.
Identify the incorrect statements:
(a) Morphine is used as potent hepatoprotective.
(b) Phyllanthin is used as a strong analgesic in surgery.
(c) Indian Acalypha is used to cure skin diseases.
(d) Cissus quadrangularis is widely used for treating bone fractures.
a and c
a and d
b and c
a and b
2.
Select the new world species of cotton.
(i) Gossypium hirsutum
ii) Gossypium barbadense
(iii) Gossypium arboreum
(iv) Gossypium herbacecum
i and ii only
i and iii only
iii and iv only
ii and iv only
3.
Assertion (A): Turmeric is used to treat cancer.
Reason (R): Curcumin is biomolecule present in turmeric.
A is right R is wrong
Both A and R are wrong
A is wrong R is right
A and R are right. R explains A.
4.
Statement 1: Andrographis paniculata is known as King of Bitters.
Statement 2: The decoction of Andrographis is used against Diabetes mellitus.
Statement 1 is correct and Statement 2 is also correct
Statement 1 is correct and Statement 2 is incorrect
Statement 1 is incorrect 'and Statement 2 is correct
Both the Statements are incorrect
5.
Identify the Tamil name for flaked rice
Nel
Aval
Pori
Umi
6.
Match the common names of the given plant species with their respective binomial
| (A) | Paddy | (I) | Vigna radiata |
| (B) | Lady's finger | (II) | Titicum aestivum |
| (C) | Wheat | (III) | Oryza sativa |
| (D) | Green gram | (IV) | Abelmoschus esculentus |
A-iii, B-iv, C-ii and D-i
A-ii, B-iii, C-i and D-iv
A - i, B - iii, C - iv and D - ii
A - i, B - ii, C - iv and D - iii
7.
8.
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
9.
10.
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.
1.
(d)
a and b
2.
(a)
i and ii only
3.
(d)
A and R are right. R explains A.
4.
(b)
Statement 1 is correct and Statement 2 is incorrect
5.
(b)
Aval
6.
(a)
A-iii, B-iv, C-ii and D-i
7.
(c)
8.
(c)
Both statements are correct
9.
(c)
10.
(a)
Assertion is correct, Reason is wrong
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
