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

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

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

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

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12th Standard English Medium Biology (Botany) Subject Economically Useful Plants and Entrepreneurial Botany Book Back 5 Mark Questions with Solution

Published on: 02/06/2021

QB365 provides detailed and simple solution for every book back questions in class 12 Biology subject.It will helps to get more idea about question pattern in every book back questions with solution.

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

chapter: - Book back Questions

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Questions:

Generic 3

3 x 3 = 9

What are the King and Queen of spices? Explain about them and their uses.

Which TSM is widely practiced and culturally accepted in Tamil Nadu? - explain.

Give an account of active principle and medicinal values of any two plants you have studied.

Generic 5

2 x 5 = 10

What are psychoactive drugs? Add a note Marijuana and Opium

Write the economic importance of rice.

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Answers Key:

Generic 3

3 x 3 = 9

Queen of Spices	King of Spices
Cardamom (Elettaria cardamomum)	Black pepper (Piper nigrum)
Family : Zingiberaceae	Family : Piperaceae

1. Siddha system is widely practiced and culturally accepted in Tamil Nadu.
2. The entire knowledge is documented in the form of poems in Tamil.
3. It is principally based on the Panchabuta philosophy.
4. The drug sources of Siddha include plants, animal parts, marine products and minerals. This system uses about 800 herbs as source of drugs.
5. Great stress is laid on disease prevention, health, promotion, rejuvenation and cure.

1. It is a mixture of glucosides derived from Aloe vera.
2. Gel used as skin tonic. Gives cooling effect.
3. Creams, lotions, shampoos, shaving creams, after shave lotions. Rejuvenation of aging skin. Emollient, antibacterial, antioxidant, antifungal and antiseptic.
4. Capsaicin is an active component has pain relieving properties derived from Capsicum annum.
5. Good source of Vitamin C, A and E.

Generic 5

2 x 5 = 10

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.

Common Name Botanical name Origin and area Uses PADDY/ RICE:Semi
aquatic crop grown in standing water. Second
position next to wheat Oryza sativa South East Asia - China, lndia,
Thailand- Delta of
TamilNadu 1. Staple food with calcium in many southern hill regions of lndia.
2. Made in to Porridge and gruel.
3. Ragi malt - nutrient drink and fermented beverages