Economic Biology Book Back Questions 9th Science Lesson 23
9th Science Lesson 23
23] Economic Biology
Book Back Questions with Answer and Do You Know Box Content
Do You Know?
Government of Tamil Nadu has launched Uzhavan (farmer) mobile application. It can be used by farmers to gather information on farm subsidies, farm equipments, crop insurance and weather conditions. It also provides information on available stock of seeds and fertilizers in local government and private stores.
Pradhan Mantri Fasal Bima Yojana (PMFBY) : It is an agricultural crops insurance scheme of Indian government. Under this scheme the central government provides insurance cover and financial assistance to farmers. It was launched on 18th February 2016.
Bio-fertilizer Scheme: Tamil Nadu Government has recently launched “Bio-fertiliser Scheme”. It is aimed at better management of natural farming and helps to boost and maintain soil fertility.
The Council of Scientific and Industrial Research (CSIR) and National Botanical Research Institute (NBRI) and Central Institute for Medicinal and Aromatic Plants (CIMAP) have jointly launched India’s first anti diabetic ayurvedic drug BGR-34 (BGR-Blood Glucose Regulator). It contains 34 identified active phytoconstituents from herbal resources. It works by controlling blood sugar levels.
Indigenous Draught Breeds- Native to Tamil Nadu:
Kangayam: It originated in Kangayam and is observed in Dharapuram, Perundurai, Erode, Bhavani and part of Gobichettipalayam taluk of Erode and Coimbatore district.
Pulikulam: This breed is commonly seen in Cumbum valley of Madurai district in Tamil Nadu. It is also known as Jallikattu madu, they are mainly used for penning in the field and useful for ploughing.
Dr. Verghese Kurein, was the founder of National Dairy Development Board (NDDB) and was called the Architect of India’s Modern Dairy Industry and the Father of White Revolution. NDDB designed and implemented the world’s largest dairy development programme called OPERATION FLOOD.
Tamil Nadu is a leading state endowed with rich fishery resources from Marine, Inland and Coastal Aquaculture. The marine fisheries potential of the state is estimated at 0.719 million tonnes. The inland fishery resources have a potential to yield 4.5 lakh metric tonnes of fishes. Tamil Nadu ranks sixth among the maritime states in coastal farming.
The Central Marine Fisheries Research Institute (CMFRI) was established by the Government of India in 1947 at Cochin, Kerala State. Its main focus is on marine fisheries landings, research on taxonomy and bio-economic characteristics of marine organisms.
The Central Institute of Brackish Water Aquaculture (CIBA) was established in 1987 with its headquarters at Chennai. The objective of CIBA is management of sustainable culture system for fin fish and shell fish in brackish water. CIBA assists small aqua-farmers in fin fish and shrimp farming by providing sustainable modern technologies.
Honey bee visits 50 to 100 flowers during a collection trip. Average bee will make only 1/12th of a teaspoon of honey in its lifetime. One kilogram of honey contains 3200 calories and is an energy rich food.
Choose the best answers:
1. The production and management of fish is called.
(a) Pisciculture
(b) Sericulture
(c) Aquaculture
(d) Monoculture
2. Which one of the following is not an exotic breed of cow?
(a) Jersey
(b) Holstein-Friesan
(c) Sahiwal
(d) Brown Swiss
3. Which one of the following is an Italian species of honey bee?
(a) Apis Mellifera
(b) Apis Dorsata
(c) Apis Florae
(d) Apis Cerana
4. Which one of the following is not an Indian major carp?
(a) Rohu
(b) Catla
(c) Mrigal
(d) Singhara
5. Drones in the honey bee colony are formed from
(a) Unfertilized egg
(b) Fertilized egg
(c) Parthenogenesis
(d) Both b and c
6. Which of the following is a high milk yielding variety of cow?
(a) Holstein-Friesan
(b) Dorset
(c) Sahiwal
(d) Red Sindhi
7. Which Indian variety of honey bee is commonly used for apiculture?
(a) Apis Dorsata
(b) Apis Florea
(c) Apis mellifera
(d) Apis Indica
8. _______________ is the method of growing plants without soil.
(a) Horticulture
(b) Hydroponics
(c) Pomology
(d) None of these
9. The symbiotic association of fungi and vascular plants is
(a) Lichen
(b) Rhizobium
(c) Mycorhizae
(d) Azotobacter
10. The plant body of mushroom is
(a) Spawn
(b) Mycelium
(c) Leaf
(d) All of these
Fill in the blanks:
1. Quinine drug is obtained from __________.
2. Carica papaya leaf can cure ___________ disease.
3. Vermicompost is a type of soil made by __________ and microorganisms.
4. ____________ refers to the culture of prawns, pearl and edible oysters.
5. The larges member in a honey bee hive is the __________.
6. ____________ is a preservative in honey.
7. ___________ is the method of culturing different variety of fish in a water body.
State true or false. If false, correct the statement:
1. Mycorrhiza is an alga.
2. Milch animals are used in agriculture and transport.
3. Apis florae is a rock bee.
4. Ongole is an exotic breed of cattle.
5. Sheep manure contains high nutrients than farm yard manure.
Match the following:
Column A Column B
1. Lobsters – Marine fish
2. Catla – Pearl
3. Sea bass – Shell fish
4. Oysters – Paddy
5. Pokkali – Fin fish
6. Pleurotus sps – Psoriosis
7. Sarpagandha – Oyster mushroom
8. Olericulture – Reserpine
9. Wrighta tinctoria – Vegetable farming
Answers:
Choose the best answers:
1. Pisciculture 2. Sahiwal 3. Apis mellifera 4. Singhara 5. fertilized egg 6. Holstein- Friesan 7. Apis indica 8. Hydroponics
9. Mycorhizae 10. Leaf
`Fill in the blanks:
1. Cinchona officinalis 2. Dengue fever 3. Earthworms 4. Aquaculture 5. Queen 6. Formic acid 7. Polyculture
State true or false. If false, correct the statement:
1.False
Correct answer: Mycorrhiza is Fungi
2.False
Correct answer: Milch animals are used in milk production only
3.False
Correct answer: Apis florea is a little bee
4.False
Correct answer: Ongole is a dual purpose breed of cattle
5.True
Match the following:
1.Lobsters- Shell fish
2.Catla – Fin fish
3.Sea bass – Marine fish
4.Oysters – Pearl
5.Pokkali – Paddy
6.Pleurotus sps – Oyster mushroom
7.Sarpagandha – Reserpine
8.Olericulture – Vegetable farming
9.Wrighta tinctoria – Psoriosis