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: 30/08/2022
QB365 provides a detailed and simple solution for every Possible Creative 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.
Which part of the world is considered as the center of origin of rice?
South Africa
Australia
North America
South East Asia
2.
Identify the mismatched pair:
Holy basil - Ocimum sanctum
Indian gooseberry - Phyllanthus amarus
Vilvam - Aegle marmelos
Veldt grape - Cissus quadrangularis
3.
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
4.
The plant source of Marijuana is ________
Andrograph is paniculata
Phyllanthus maderspatensis
Cannabis sativa
Papaver somniferum
5.
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
6.
Assertion (A): Black pepper is a spice.
Reason (R): Condiments are flavouring substances, generally added after the cooking of food.
A is right R is wrong
R explains A
Both A and R are right. R is not correct explanation for A.
Both A and R are wrong
7.
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.
8.
Statement 1: Aloevera belongs to the family Asphodelaceae.
Statement 2: Jasminum grandiflorum belongs to the family of Oleaceae.
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
9.
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
10.
Statement 1: Chinese discovered the paper.
Statement 2: Eucalyptus and Casuarina are the widely used tree species for making paper pulp.
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
11.
Statement 1: Arachis hypogea belongs to Fabaceae
Statement 2: It is a native of Brazil.
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
12.
Pigeon pea is the common name for _______
Vigna radiata
Vigna mungo
Cajanus cajan
Sorghum vulgare
13.
Identify the Tamil name for flaked rice
Nel
Aval
Pori
Umi
14.
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
15.
Paddy, Wheat and Sorghum, etc., comes under the category of cereals. All the members of cereals belong to which of the following family?
Fabaceae
Poaceae
Leguminoneae
Caesalpinaeceae
1.
(d)
South East Asia
2.
(b)
Indian gooseberry - Phyllanthus amarus
3.
(d)
a and b
4.
(c)
Cannabis sativa
5.
(a)
i and ii only
6.
(c)
Both A and R are right. R is not correct explanation for A.
7.
(d)
A and R are right. R explains A.
8.
(a)
Statement 1 is correct and Statement 2 is also correct
9.
(b)
Statement 1 is correct and Statement 2 is incorrect
10.
(a)
Statement 1 is correct and Statement 2 is also correct
11.
(a)
Statement 1 is correct and Statement 2 is also correct
12.
(c)
Cajanus cajan
13.
(b)
Aval
14.
(a)
A-iii, B-iv, C-ii and D-i
15.
(b)
Poaceae
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
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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