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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard Biology English Medium Botany - Economically Useful Plants and Entrepreneurial Botany 2 Mark Book Back Question Paper and Answer Key 2022 - 2023

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.

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Std: 12th Standard - Biology

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Questions:

Generic 2

4 x 2 = 8

Give definitions for organic farming?

Name the humors that are responsible for the health of human beings.

What is pseudo cereal? Give an example.

Write the cosmetic uses of Aloe.

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Answers Key:

Generic 2

4 x 2 = 8

Organic farming is an alternative agricultural system in which plants/crops are cultivated in natural ways by using biological inputs to maintain soil fertility and ecological balance thereby minimizing pollution and wastage.

Vatam, Pittam and Kapam.

1. It is used to describe foods that are prepared and eaten as a whole grain.
2. Ex. Quinoa. (Seeds from the Chenopodium quinoa) belong to the family Amaranthaceae.
3. Has carbohydrate protein have been eaten for 6000 years in Andes hilt region.

1. Aloin - a mixture of glucosides.
2. Its gel used as skin tonic.
3. Cooling effect and moisturizing effect helps in creams, lotions, shampoos, shaving creams, after shave lotions preparation.
4. Used has emollient, antibacterial, antioxidant, antifungal and antiseptic.