I. Choose the correct answer :
Question 1.
Consider the following statements and choose the right option.
i) Cereals are members of grass family
ii) Most of the food grains come from monocotyledon
a) (i) is correct and (ii) is wrong
b) Both (i) and (ii) are correct
c) (i) is wrong and (ii) is correct
d) Both (i) and (ii) are wrong
Answer:
b) Both (i) and (ii) are correct
Question 2.
Assertion: Vegetables are important part of healthy eating.
Reason : Vegetables are succulent structures of plants with pleasant aroma and flavours.
a) Assertion is correct, Reason is wrong
b) Assertion is wrong, Reason is correct
c) Both are correct and reason is the correct explanation for assertion.
d) Both are correct and reason is not the correct explanation for assertion.
Answer:
a) Assertion is correct, Reason is wrong
Question 3.
Groundnut is native of ……………..
a) Philippines
b) India
c) North America
d) Brazil
Answer:
d) Brazil
Question 4.
Statement A : Coffee contains caffeine
Statement B : Drinking coffee enhances cancer
a) A is correct, B is wrong
b) A and B – both are correct
c) A is wrong, B is correct
d) A and B – both are wrong
Answer:
a) A is correct, B is wrong
Question 5.
Tectona grandis is coming under family.
a) Lamiaceae
b) Fabaceae
c) Dipterocaipaceae
d) Ebenaceae
Answer:
a) Lamiaceae
Question 6.
Tamarindus indica is indigenous to ……………..
a) Tropical African region
b) South India, Sri Lanka
c) South America, Greece
d) India alone
Answer:
a) Tropical African region
Question 7.
New world species of cotton
a) Gossipium arboretum
b) G. herbaceum
c) Both a and b
d) G.barbadense
Answer:
d) G. barbadense
Question 8.
Assertion : Turmeric fights various kinds of cancer.
Reason : Curcumin is an anti-oxidant present in turmeric.
a) Assertion is correct, Reason is wrong
b) Assertion is wrong, Reason is correct
c) Both are correct
d) Both are wrong
Answer:
c) Both are correct
Question 9.
Find out the correctly matched pair.
a) Rubber – Shorea robusta
b) Dye – Lawsonia inermis
c) Timber – Cyperus papyrus
d) Pulp – Hevea brasiliensis
Answer:
b) Dye : Lawsonia inermis
Question 10.
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.
a) Statement I is correct
b) Statement II is correct
c) Both statements are correct
d) Both statements are wrong
Answer:
c) Both statements are correct
Question 11.
Observe the following statements and pick out the right option from the following.
Statement I : The drug sources of Siddha include plants, animal parts, ores and minerals.
Statement II: Minerals are used for preparing drugs with long shelf-life.
a) Statement I is correct
b) Statement II is correct
c) Both statements are correct
d) Both statements are wrong
Answer:
Both statements are correct
Question 12.
The active principle trans-tetra hydro canabial is present in
a) Opium
b) Curcuma
c) Marijuana
d) Andrographis
Answer:
c) Marijuana
Question 13.
Which one of the following matches is correct?
a) Palmyra – Native of Brazil
b) Saccharun – Abundant in Kanyakumari
c) Stevecide – Natural sweetener
d) Palmyra sap – Fermented to give ethanol
Answer:
c) Stevecide – Natural sweetener
Question 14.
The only cereal that has originated and domesticated from the New world.
a) Oryza sativa
b) Triticum asetumn
c) Triticum duram
d) Zea mays
Answer:
d) Zea mays
Question 15.
Write the cosmetic uses of Aloe.
Answer:
Aloe gel are used as skin tonic. It has a cooling effect and moisturizing characteristics and hence used in preparation of creams, lotions, shampoos, shaving creams, after shave lotions and allied products. It is used in gerontological applications for rejuvenation of aging skin. Products prepared from aloe leaves have multiple properties such as emollient, antibacterial, antioxidant, antifungal and antiseptic. Aloe vera gel is used in skin care cosmetics.
Question 16.
What is pseudo cereal? Give an example.
Answer:
Question 17.
Discuss which wood is better for making furniture.
Answer:
Teak wood is the ideal type of wood for making household furnitures because, it is highly durable and shows great resistance against the attack of termites and fungi. Moreover it doesnot split or crack and is a carpenter friendly wood.
Question 18.
A person got irritation while applying chemical dye. What would be your suggestion for alternative?
Answer:
Question 19.
Name the humors that are responsible for the health of human beings.
Answer:
Vatam, Pittam and Kapam.
Question 20.
Give definitions for organic farming?
Answer:
Question 21.
Which is called the “King of Bitters”? Mention their medicinal importance.
Answer:
Andrographis paniculata is called as King of Bitters. Andrographis is a potent hepatoprotective agent and is widely used to treat liver disorders. Concoction of Andrographis paniculata and eight other herbs (Nilavembu Kudineer) is effectively used to treat malaria and dengue.
Question 22.
Differentiate Bio-medicines and botanical medicines.
Answer:
Bio-medicines: Medicinally useful molecules obtained from plants are marketed as drugs. These are called bio-medicines.
Botanical Medicines: Medicinal plants are marketed as powders or in other modified forms. They are called Botanical medicines.
Question 23.
Write the origin and area of cultivation of green gram and red gram.
Answer:
Origin and area of cultivation of Green Gram.
Origin and area of cultivation of Red Gram
Question 24.
What are millets? What are its types? Give example for each type.
Answer:
Millet’s: Small seeds cultivated by ancient people of Africa, Asia. Gluten-free with the less glycemic index.
Finger Millet (Ragi) (Eleusine coracana)
Came to India from East Africa. It is rich in calcium.’
Uses:
Sorghum vulgare.
Native of Africa. Major millet of the world with calcium, iron
Uses:
Fox tail Millet (Setariaitalica)
Oldest traditional millet of India. Domesticated in China about 6000 years.
Uses: Strengthens heart, eye sight, lactation.
Kodo Millet (Paspalum scrobiculatum)
From West Africa.
Uses:
Question 25.
If a person drinks a cup of coffee daily it will help him for his health. Is this correct? If it is correct, list out the benefits.
Answer:
Benefits of Coffee:
Question 26.
Enumerate the uses of turmeric.
Answer:
Turmeric is one of the most important and ancient Indian spices and used traditionally over thousands of years for culinary, cosmetic, dyeing and for medicinal purposes. It is an important constituent of curry powders. Turmeric is used as a colouring agent in pharmacy, confectionery and food industry. Rice coloured with turmeric (yellow) is considered sacred and auspicious which is used in ceremonies. It is also used for dyeing leather, fibre, paper and toys.
Curcumin extracted from turmeric is responsible for the yellow colour. Curcumin is a very good anti-oxidant which may help fight various kinds of cancer. It has anti-inflammatory, anti- ‘ diabetic, anti-bacterial, anti-fungal and anti-viral activities. It stops platelets from clotting in arteries, which leads to heart attack.
Question 27.
What is TSM? How does it classify and what does it focus on?
Answer:
Traditional System of Medicines (TSM)
It is classified into
1. Institutionalized (documented) system
2. Non-institutionalized (oral) system
Institutionalized system:
Non-Institutionalized system:
Focus of TSM:
Siddha system
Ayurveda system:
Folk system of medicine
Question 28.
Write the uses of nuts you have studied.
Answer:
Cashews are commonly used for garnishing sweets or curries, or ground into a paste that forms a base of sauces for curries or some sweets. Roasted and raw kernels are used as snacks.
Question 29.
Give an account of the role of Jasminum in perfuming.
Answer:
Role of Jasminum in perfuming:
Rose:
The average oil yield is a little less than 0.5 g from lOOOg of flowers.
Uses:
Question 30.
Give an account of active principle and medicinal values of any two plants you have studied.
Answer:
A) Medical importance of Keezhanelli (Phyllanthus amarus):
Active principle: Phyllanthus is a major chemical component.
Medical Importance:
B) Nilavembu (Andrographis paniculata) (King of Bitters)
Active principle: Andrographolides.
Medicinal Importance:
Question 31.
Write the economic importance of rice.
Answer:
Rice is the easily digestible calorie rich cereal food which is used as a staple food in Southern and North East India. Various rice products such as Flaked rice (Aval), Puffed rice / parched rice (Pori) are used as breakfast cereal or as snack food in different parts of India. Rice bran oil obtained from the rice bran is used in culinary and industrial purposes. Husks are used as fuel, and in the manufacture of packing material and fertilizer.
Question 32.
Which TSM is widely practiced and culturally accepted in Tamil Nadu? explain.
Answer:
Siddha system of Medicine:
Question 33.
What are psychoactive drugs? Add a note of Marijuana and Opium.
Answer:
Phytochemicals or drugs from some of the plants alter an individual’s perceptions of mind by producing hallucination are known as psychoactive drugs.
1. Marijuana: Marijuana is obtained from Cannabis sativa. The active principle in Marijuana is trans – tetrahydrocannabinol (TCH). It is used as pain killer and reduce hypertension. It is also used in the treatment of Glaucoma, cancer radiotherapy and asthma, etc.
2. Opium: Opium is obtained from the exudates of the fruits of papaver somniferum (poppy plants). It is used to induce sleep and relieve pain. Opium yields morphine which is used as a strong analgesic in surgeries.
Question 34.
What are the King and Queen of Spices? Explain about them and their uses.
Answer:
Queen of Spices: Cardamom (Elettaria Cardamomum)
Origin and area of cultivation:
Uses:
King of Spices: Black Pepper (Piper nigrum)
Origin and area of cultivation:
Uses:
· Question 35.
How will you prepare an organic pesticide for your home garden with the vegetables available from your kitchen?
Answer:
Preparation of Organic Pesticide:
· Step 1: Mix 120 g of hot chilies with 110 g of garlic or onion. Chop them thoroughly.
· Step 2: Blend the vegetables together manually or using an electric grinder until it forms a thick paste.
· Step 3: Add the vegetable paste to 500 ml of warm water. Give the ingredients a stir to thoroughly mix them together.
· Step 4: Pour the solution into a glass container and leave it undisturbed for 24 hours. If possible, keep the container in a sunny location. If not, at least keep the mixture in a warm place.
· Step 5: Strain the mixture. Pom- the solution through a strainer, remove the vegetables and collect the vegetable-infused water and pour into another container. This filtrate is the pesticide. Either discard the vegetables or use it as a compost.
· Step 6: Pour the pesticide into a squirt bottle. Make sure that the spray bottle has first been cleaned with warm water and soap to get rid it of any potential contaminants. Use a funnel to transfer the liquid into the squirt bottle and replace the nozzle.
· Step 7: Spray your plants with the pesticide. Treat the infected plants every 4 to 5 days with the solution. After 3 or 4 treatments, the pest will be eliminated. If the area is thoroughly covered with the solution, this pesticide should keep bugs away for the rest of the season.
I. Choose the correct answer :
Question 1.
Staple food of North India is ………………….
a) Sorghum
b) Millet
c) Paddy
d) Wheat
Answer:
d) Wheat
Question 2.
Folk system of medicine is popular in ………………
a) Nigeria
b) USA
c) India
d) UK
Answer:
c) India
Question 3.
State not growing black gram
a) Uttar Pradesh
b) Tamil Nadu
c) Chattisgarh
d) Karnataka
Answer:
b) Tamil Nadu
Question 4.
The very common rubber yielding plant of Tamilnadu is ……………………
a) Manihot esculenta
b) Ficus elastica
c) Hevea benthamiana
d) Hevea brasiliensis
Answer:
d) Hevea brasiliensis
Question 5.
Not a major cultivar mango in India
a) Alphonsa
b) Neelam
c) Malgova
d) Salem Mango
Answer:
d) Salem Mango
Question 6.
Toddy is from ……………… tree
a) Palmyra
b) Coconut
c) Mango
d) Sugar cane
Answer:
a) Palmyra
Question 7.
Chillies are a good source of:
a) Vitamin A, C and E
b) Vitamin K
c) Vitamin D
d) Vitamin B complex and Vitamin D
Answer:
a) Vitamin A, C and E
Question 8.
Gingeelly or sesame is originated in ……………………..
a) Asia
b) Africa
c) China
d) Europe
Answer:
b) Africa
Question 9.
Coffee is native of ……………….
a) Nigeria
b) Cuba
c) Ethiopia
d) Egypt
Answer:
c) Ethiopia
Question 10.
India is the largest producer of
a) Chilly
b) Tamarind
c) Turmeric
d) Pepper
Answer:
c) Turmeric
Question 11.
World’s largest turmeric market is in ………………. of Tamil Nadu
a) Coimbatore
b) Erode
c) Madurai
d) Nagercoil
Answer:
b) Erode
Question 12.
Asia contributes …………… % of latex in world production.
a) 80
b) 90
c) 70
d) 50
Answer:
b) 90
Question 13.
……………….. is the largest producer of latex
a) Kerala
b) Karnataka
c) Andhra
d) Delhi
Answer:
a) Kerala
Question 14.
…………….. is native of Sudan
a) Henna
b) Aloe
c) Jasmine
d) Turmeric
Answer:
b) Aloe
Question 15.
Thovalai of Tamil Nadu produces ………………..
a) Aloe
b) Tamarind
c) Turmeric
d) Jasmine
Answer:
d) Jasmine
Question 16.
Paste of this plant is used in bone fracture
a) Ocimum
b) Phyllanthus
c) Cissus
d) Acalypha
Answer:
c) Cissus
Question 17.
Find the Matching Pair
a) Ocimum – Antiseptic
b) Phyllanthus – Ringworm disease
c) Acalypha – Immune modulator
d) Aegle marmelos – Bone fracture
Answer:
a) Ocimum – Antiseptic
Question 18.
Capsaicin is in ……………..
a) Chilly
b) Pepper
c) tea
d) coffee
Answer:
a) Chilly
Question 19.
Veldt grape is the common name of …………….
a) Ocimum
b) I’hyllanthus
c) Acalypha
d) Cissus
Answer:
d) Cissus
Question 20.
Find the Mismatching Pair
a) Pappaver somniferum – Opium
b) Cannabis sativa – Marijuana
c) Phyllanthus amarus – Keezhanelli
d) Andrographis paniculata – Turmeric
Answer:
d) Andrographis paniculata – Turmeric
Question 21.
Match
a) A-4, B-3, C-l, D-2
b) A-l, B-2, C-3, D-4
c) A-4, B-3, C-2, D-l
d) A-2, B-l, C-4, D-3
Answer:
a) A-4, B-3, C-l, D-2
Question 22.
Vigna mungo is the botanical name of ………………..
a) Black gram
b) Red gram
c) Green gram
d) Brown gram
Answer:
a) Black gram
Question 23.
Match
a) A-4, B-3, C-2, D-l
b) A-l, B-2, C-3, D-4
c) A-2, B-l, C-4, D-3
d) A-3, B-l, C-2, D-4
Answer:
a) A-4, B-3, C-2, D-l
Question 24.
Which one of the following is an incorrect pair?
a) Turmeric – Erode
b) Cardamom – Queen of spices
c) Rubber – Kerala
d) Banana – National fruit of India
Answer:
d)Banana – National fruit of India
Question 25.
Assertion (A): Rice is the staple food for most of people in the world.
Reason (R): It is easily digestible and calorie-rich food.
a) (A) correct; (R) wrong
b) (A) wrong; (R) correct
c) (A) correct; (R) correct; but (R) does not explain (A)
d) (A) correct; (R) correct; (R) explains (A)
Answer:
d) (A) correct; (R) correct; (R) explains (A)
Question 26.
………………… is the largest consumer of coffee in India?
a) Tamil Nadu
b) Andhra
c) Kerala
d) Karnataka
Answer:
a) Tamil Nadu
Question 27.
………………… is the largest coffee producing estate in India
a) Kerala
b) Karnataka
c) Tamil Nadu
d) Andhra
Answer:
b) Karnataka
Question 28.
Curcumin is extracted from
a) Turmeric
b) Chilly
c) Cardamom
d) Tamarind
Answer:
a) Turmeric
Question 29.
Vilvum belongs to ……………………
a) Lamiaceae
b) Rutaceae
c) Vitaceae
d)Euphorbiaceae
Answer:
b) Rutaceae
Question 30.
Dr. Thyagarajan of university of Madras proved effect of Phyllanthus amarus against
a) Hepatitis-B
b) Cirrhosis
c) Cancer
d) Typhoid
Answer:
a) Hepatitis-B
Question 31.
Which one of the following is highly effective against jaundice?
a) Nilavembu
b) Opium poppy
c) Marijuana
d) Phyllanthus
Answer:
d) Phyllanthus
Question 32.
……………… Are gluten free with less Glycemic indess
a) pulses
b) gram
c) vegetables
d) millets
Answer:
d) millets
Question 33.
…………….. is native to tropical region of Africa.
a) Sugar cane
b) Palmyra
c) Peanut
d) Sesame
Answer:
b) Palmyra
Question 34.
Nuts contain ……………. Oil
a) 54%
b) 45%
c) 44%
d) 54%
Answer:
c) 44%
Question 35.
The medicinal plant commonly known as “King of Bitters” is ……………………
a) Nilavembu
b) Holy basil
c) Adathodai
d) Turmeric
Answer:
a) Nilavembu
Question 36.
Pungency of cayenne pepper is ……………….. Scoville Heat Units (SHU)
a) 30,000 to 50,000
b) 1,349,000
c) 2,200,000
d) 1,200,000
Answer:
a) 30,000 to 50,000
Question 37.
Foxtail millet is domesticated in China ……………….. years ago
a) 4000
b) 3000
c) 5000
d) 6000
Answer:
d) 6000
Question 38.
Setaria italica is the scientific name of ……………………
a) kodo millet
b) foxtail millet
c) sorghum
d) finger millet
Answer:
b) foxtail millet
Question 39.
Lady’s finger is not grown in abundance in ……………..
a) Tamil Nadu
b) Assam
c) Maharashtra
d) Gujarat
Answer:
a) Tamil Nadu
Question 40.
Which is the temperature region fruit?
a) Mango
b) Jack
c) Banana
d) plum
Answer:
c) Banana and d) plum
Question 41.
The following are the activities of entrepreneurship
a) Mushroom cultivation
b) Single cell protein production
c) Organi farming
d) Above all
Answer:
d) Above all
Question 42.
…………………. is a bio-pest repellent
a) Tamarind
b) Chilly
c) Sesame
d) Neem
Answer:
d) Neem
Question 43.
Indigenous to western ghats of India
a) Black pepper
b) Cardamom
c) Turmeric
d) Red pepper
Answer:
a) Black pepper
Question 44.
Endosperm of ………………… is a refreshing summer food
a) Coconut
b) Groundnut
c) Gingelly
d) Palmyra
Answer:
d) Palmyra
Question 45.
……………….. Enhances salivary and gastric secretions
a) Cardamom
b) Black pepper
c) Red pepper
d) Turmeric
Answer:
b) Black pepper
Question 46.
………………… is used in gerontological applications
a) Aloe
b) Turmeric
c) Jasmine
d) Phyllanthus
Answer:
a) Aloe
Question 47.
Lacosone (Colouring Matter) is in ……………………
a) Aloe
b) Jasminum
c) Henna
d) Turmeric
Answer:
c) Henna
Question 48.
Paper pulp is made from ………………
a) Eucalyphis
b) Casuarina
c) Neolamarkia
d) all the above
Answer:
d) all the above
Question 49.
Eco friendly packaging material is ……………………
a) cotton
b) latex
c) wood pulp
d) jute
Answer:
d) jute
Question 50
……………….. is a ingredient of Ponga I of Tamil Nadu
a) Green gram
b) Red gram
c) Black gram
d) Brown gram
Answer:
a) Green gram
II Two Marks
Question 1.
Name the 3 grass species of food plants?
Answer:
Rice, Wheat, Maize.
Question 2.
What are the nutrients provided by cereals?
Answer:
Carbohydrates, proteins, fibres, vitamins and minerals.
Question 3.
Classify cereals based on size? Give example.
Answer:
Question 4.
Comment on Maida?
Answer:
Question 5.
Explain the rice products?
Answer:
Question 6.
What are millet’s?
Answer:
A variety of very small seeds. These were originally cultivated by ancient people in Africa. It is gluten free, less glycemic index.
Question 7.
Enlist the uses of finger millet?
Answer:
Question 8.
How is Sorghum useful?
Answer:
Question 9.
Discuss the medicinal uses of Fox tail millet?
Answer:
Question 10.
Kodo Millet is medicinally useful – Discuss?
Answer:
Question 11.
Which is the only pulse native to southern India? Give it’s uses?
Answer:
Red gram (Pigeon pea) Cajanus cajan is the only pulse native to south India.
Uses:
Question 12.
Enlist the nutrients in vegetables?
Answer:
Potassium, fibre, folic acid, vitamin A, E, C
Question 13.
Molecular farming plants are different from natural medicinial plants. How?
Answer:
Question 14.
What are the major cultivating states of okra in Tamil Nadu?
Answer:
Coimbatore, Dharmapuri, Vellore.
Question 15.
Classify fruits based on the climatic region in which they grow?
Answer:
Question 16.
Which is the National fruit of India? Give its origin and area of cultivation?
Answer:
Mango (Mangifera Indica)
Origin and area of cultivation.
Question 17.
Name the Major Cultivars of Mango in India.
Answer:
Alphonsa, Banganapalli, Neelam, Malgova.
Question 18.
Which food is the source of antioxidants?
Answer:
Dry fruits with hard shell and edible kernel are nuts. They are the good source of health fat, fibre, protein, vitamin, mineral, antioxidants.
Question 19.
Name the plants ideal for the extraction of commercial sugar?
Answer:
Sugar Cane, Palmyra
Question 20.
What is sugar?
Answer:
It is the generic name for sweet tasting soluble carbohydrate. They are used in food, beverages.
Question 21.
Give the sources of sugar?
Answer:
Roots of Sugar beet, Stems of Sugar cane, Fruits of Apple, Palmyra sap.
Question 22.
How is cultivated Saccharum officinarum evolved?
Answer:
By repeated back crossing of Saccharum officinarum of new guinea with wild Saccharum Spontaneum.
Question 23.
Toddy-Comment?
Answer:
The sap from Palmyra inflorescence is fermented to get toddy.
Question 24.
Name the 2 kinds of oils?
Answer:
Question 25.
Define Essential oil?
Answer:
They evaporate or volatilize in contact with air. So, they are called volatile oils.
Question 26.
Give the sources of essential oils?
Answer:
Flowers of jasmine, fruits of orange and roots of ginger.
Question 27.
Comment on vegetable oil?
Answer:
These are non-volatile oils or fixed oils. They do no evaporate. Eg. Whole seeds or endosperm are the sources.
Question 28.
What are spices?
Answer:
Aromatic plant products. They are of sweet or bitter taste. They give flavour and improve the palatability of food.
Question 29.
Comment on condiments?
Answer:
Flavouring substances with sharp taste. They are added to food after cooking Eg. Curry leaves.
Question 30.
Dates of India – Discuss.
Answer:
Tamarindus is an Arabian word. It means dates of India (Tamar – Taste; Indus – India)
Question 31.
Write any two uses of THC.
Answer:
THC is used in treating Glaucoma a condition in which presšure develops in the eyes.
III. Three Marks
Question 1.
Suggest the 4 commercial cotton species?
Answer:
Question 2.
Give the uses of cotton?
Answer:
Manufacturing of textile, hosiery products, toys. UsedinFlospitals.
Question 3.
Name the 2 species of plants from which Jute is derived?
Answer:
Question 4.
Define Vulcanization?
Answer:
Heating rubber with sulphur under pressure at 150°C. It overcomes defect in rubber articles. (Vulcan is the Roman god of fire)
Question 5.
Name the woods used for making paper pulp?
Answer:
Question 6.
Dyeing is in use since that ancient times? Substantiate?
Answer:
Question 7.
Give the significance of Henna?
Answer:
Question 8.
What do the south Indian people traditionally for skin and hair care?
Answer:
People of South India use turmeric, green gram powder, henna, sigaikai and usilai for skin, hair care.
Question 9.
What does the word’perfume’mean?
Answer:
Question 10.
Give an account of NCB?
Answer:
The Narcotics Control Bureau is the drug law enforcement and intelligence agency of India. It is responsible for drug trafficking and abuse of illegal substances.
Question 11.
Can we create new business using plant resources?
Answer:
Entrepreneurial botany is the study of new business created using plant resources.
Question 12.
What is entrepreneurship?
Answer:
Developing ideas to create new ventures among young people.
Question 13.
What is the role of an Entrepreneur?
Answer:
Question 14.
Discuss about ‘Capsaicin’
Answer:
Question 15.
Name some plants used in making paper pulp?
Answer:
Question 16.
Give the uses of purified dissolving pulp?
Answer:
It helps to manufacture rayon, artificial silk, fabrics, transparent films (cellophane, cellulose, acetate films), plastic. Viscose process of making rayon is common.
Question 17.
Which the second geographical Indication tag after Mysore Malli? How?
Answer:
Question 18.
Name the major tribal communities in Tamil Nadu known for their medicinal knowledge?
Answer:
Irulas, Malayalis, Kurumbas, Paliyans and Kaanis
Question 19.
Discuss the origin and area of cultivation of black gram?
Answer:
Question 20.
Suggest the nutrients in fruits?
Answer:
Potassium, dietary fibre, folic acid, vitamins.
Question 21.
What is rayon?
Answer:
Question 22.
What is known as sustainable development of agriculture?
Answer:
IV . Five Marks
Question 1.
What kind of cereal can be eaten as a whole grain? Discuss?
Answer:
Question 2.
Suggest the attributes of cereals as food plants?
Answer:
Question 3.
How will you prepare a Bio-pest repellent?
Answer:
Question 4.
Tabulate the uses of common medicinal plants?
Answer:
Question 5.
Give a detailed account on the ‘National Fruit of India’?
Answer:
Mango (Mangifera indica) belongs to the family Anacardiaceae
Origin and area of cultivation.
Uses:
Question 6.
Enlist the uses of Sugar cane.
Answer:
Botanical Name : Saccharum officinarum of
Poaceae family
Uses:
Question 7.
Detail on the State Tree of Tamil Nadu.
Answer:
Botanical Name : Borassus flabellifer of Arecaceae family
Origin and area of cultivation
Uses:
Question 8.
Enlist the uses of Chilly / Red pepper?
Answer:
Botanical Name : Capsicum annuum of
Solanaceae family
Uses:
Question 9.
Which plant contributes to 90% of world production by Asia? Detail the uses?
Answer:
Rubber (Hevea brasiliensis) of Euphorbiaceae.
Origin and Cultivation
Uses:
Question 10.
Which system of medicine originated from Brahma? Explain?
Answer:
Question 11.
Which system of medicine survives as oral tradition? Explain?
Answer:
Folk system of Medicine:
Question 12.
Jute Industry occupies an important place in the national economy of India. Explain?
Answer:
Question 13.
Organic farming is considered as the movement towards the philosophy of Back to Nature. Explain
Answer: