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 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.
What are psychoactive drugs? Add a note Marijuana and Opium
3.
4.
What is TSM? How does it classified and what does it focuses on?
5.
Write the origin and area of cultivation of green gram and red gram.
6.
Give an account on the role of Jasminum in perfuming
1.
2.
| psychoactive drugs | ||||
| 1 | Opium Poppy | Papaver somniferun (Family: Papaveraceae) |
Native: South East Europe, Western Asia. Cultivated in MP, Rajasthan, UP (With license) | Morphine strong analgesic during surgery - sleep, relieving Pain. |
| 2 | Cannabis/ Marijuana | Cannabis sativa (Family: Cannabiaceae) | Native: Marijuana to China Cultivated in Gujarat, HP, Uttarkand, UR, MP [with license) |
1. Trans - tetrahydrocannabinol (THC) - cures hypertension, Glucoma, nausea of cancer patients of radio and chemotherapy. 2. Cures bronchial disorder, asthma. |
3.
4.
TSM indicates Traditional Systems of Medicines. It has been classified into institutionalized and non institutionalized methods.
| S.No | Institutionalized | Non - Institutionalized |
| 1 | Two thousand years practice | No such records |
| 2 | Prescribed texts are available | Only oral form by rural and tribal peoples |
| 3 | Focuses on symptoms, disease diagnosis, drugs to cure, preparation of drugs, dosage | Focuses on healthy diet for maintaining good health and disease reversal. |
5.
| S.No | Common Name | Botanical name | Origin and area |
| 1 | RED GRAM | Cajanus cajan | Southern India, cultivated in Maharashtra, Andhra Pradesh, Madhya Pradesh Karnataka and Gujarat |
| 2 | GREEN GRAM | Vigna radiate | State of Maharashtra. Cultivated in Madhya Pradesh, Karnata and Tamil Nadu. |
6.
1. Used for worship, ceremonial purposes, incense and fumigants, making perfumed hair oils, cosmetics and soaps.
2. Used for soothing, relaxing antidepressant qualities.
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