Useful Pants and Animals
2. Selection and hybridisation are the two important methods to improve crop plants.
3. There are two types of selection :
a) Mass selection
b) Pedigree method
4. In Mass selection plants with desired characters are selected from a mixed population of plants, seeds collected in bulk and grown.
5. In Pedigree method, plants having desired characters are crossed until a pure breed is evolved.
6. Domestication brought several changes in animals.
7. Horse was domesticated for meat, transport and to help in agriculture.
8. Mule and Henny are hybrids between donkey and horse.
9. The plants from which drugs are obtained are called medicinal plants. Eg : Amla, Datura, Nuxvamica, Digitalis.
10. Sericulture is the rearing of silk worms.
11. Pollination is very essential for seed formation and propagation of the plants.
12. Apiculture is rearing of honeybees.
13. Foraminiferans and Radiolariam form oozes.
14. Modern techniques are now adopted to catch fish.
15. Snakes are useful to control rat menace.
objective bits
1. Scientific name of Asian variety of rice is ………… (Oryza sativa)2. International Rice Research Institute is located in the country ……(Philippines)
3. Indian Rice Research Institute is at ……(Cuttack)
4. Uniform group of plants with desirable characters is called ……… (Pure breed)
5. The present day cultivated plants have evolved from ……… (Wild plants)
6. Give two examples to plants evolved by hybridisation ………, …... (Mango, Rose)
7. The plants with more disease resistance are ………… varieties. (Local)
8. Secondary hair of sheep is called …… (Fleece/wool)
9. The ancestral horse from Central Asia and Russia is called …… horse (Przewalski)
10. Poultry grown specifically for meat are …………… (Broilers)
11. Poultry grown specifically for eggs are …… (Layers)
12. The present day cows produce more than ……… litres of milk per day. (20 – 30)
13. Cattle were domesticated …… years ago.(6,000)
14. Jungle fowl lays about …………… eggs per year. (12 – 20)
15. Domestic fowl lays about ………… eggs per year. (300 )
16. ……………, ………… and ……… are the famous breeds of pig.
(Berkshire, Yorkshire, Land race)
17. Pelt is obtained for …… breed of sheep.(Corridale)
18. The stiff and straight hair of sheep is called ………… hair. (Primary)
19. Hybrid between female horse and male donkey is called …… (Mule)
20. Heavy loads on mountains are carried by ……… and ……… (Mules, Hennys)
21. Horse was domesticated some ……… years ago. (4,000)
22. Corridale breed of sheep belong to ………… country. (New Zealand)
23. The scientific name of silk moth is ……(Bombyx mori)
24. Domesticated animals like cats are called …………… (Pet animals )
25. In western countries horses are used for ……… operations. (Agricultural)
26. ……………… clothes have good heat retaining capacity. (Woollen)
27. Karakul breed of sheep is from ………… (Central Asia)
28. Variety of Buffalo yielding large amounts of milk is ……… (Murra)
29. Andhra Pradesh produces…… of the total egg production in the country. (1/5th)
30. The scientific name of wheat is ……… (Triticum aestivum)
31. Millets and cereals belong to the family ……………… (Gramineae)
32. Lavender oil is an example for … (Aromatic oils)
33. Scientific name for teak is ……… (Tectona grandis)
34. Using plants to cure diseases is described in ………………… (Ayurveda)
35. ……… is obtained by partial burning of wood. (Coal)
36. Coal and petrol are derivatives of ………. (Plants)
37. Plants which have been buried in earth for several thousands of years give rise to ………………… (Crude oil)
38. Wood in the form of …………… is used in making paper. (Pulp)
39. The plant product, ……………… is used in making clothes. (Fibres)
40. Plants produce carbohydrates by a process called ……… (Photosynthesis)
41. Food materials in cereals are stored in seed, it is called ……… (Grain)
42. Wild species of wheat are ………… and ………… (Triticum monococcum; Triticum dicoccum)
43. Wheat is a …… crop in India. (winter)
44. Duration of wheat crop is …… months. (4 – 9)
45. Scientific name of rice is ………… (Oryza sativa)
46. Maize is botanically known as …………… (Zea mays)
47. Scientific name of Jowar is ……… (Sorghum vulgare)
48. Scientific name of Bajra is ……… (Pennisetum typhoideum)
49. Scientific name of finger millet is ……… (Elusine coracana)
50. Common name of Phaseolus mungo is …………… (Blackgram)
51. Scientific name of Palm is …………… (Elaeis guinensis)
52. Scientific name of sunflower is ………
(Helianthus annus)
53. Neem seed oil is used as ……………… agent. (Antibacterial)
54. Wood in the form of ………… is used in the construction of houses. (Lumber)
55. Scientific name of Indian Rose Wood is ……… (Dalbergea latifolia)
56. The world's oldest fibre is ………(Cotton)
57. Cotton belongs to the Genus ………… (Gossypium)
58. Jute yielding plant is ……………… (Hibiscus Cannabinus)
59. Sunhemp is obtained from the plant called …………… (Crotalaria juncia)
60. Atropa is commonly called …………… (Deadly night shade)
61. The drug present in Atropa is ………… (Atropine, an alkaloid)
62. Quinine is used to cure ………… (Malaria)
63. Quinine is obtained from the plant called …………………… (Cinchona officinalis)
64. Digitalin is used to treat ……………… diseases. (heart)
65. Drug present in Nuxvomica seeds is …………… (Brucine)
66. Scientific name of Thorn apple is ……… (Datura stramonium)
67. Morphine is the drug present in ………… (Opium poppy)
68. Scientific name of opium is …………… (Papaver somniferum)
69. Common name of Ocimum sanctum is ……… (Tulsi)
70. Coir is obtained from ………………… (Coconut)
71. ……… is the fibre plant used in the preparation of soil cloth and matting. (Crotalaria juncia)
72. Scientific name of Amla is ……………… (Emblica officinalis)
73. Sericulture is the rearing of…… (Silkworms)
74. Scientific name of silk moth is ……… (Bombyxmori)
76. The protein present in silk fibre is ……… ……… (Fibroin)
77. Rearing of honeybees is called … (Apiculture)
78. Eggs of silk moth develop into …… larva. (Caterpillar)
79. Cocoon formation takes … hours. (48)
80. Tasser silk is obtained from ……… (Antheria pamphia)
81. Erisilk is obtained from ………………… (Attacus cynthea)
82. Moonga silk is obtained from ………… (Thiophilea religiosae)
83. Male bees are called ………… (Drones)
84. Bee poison is used to treat a disease called …………… (Rheumatism)
85. Indian Honey bee is …………(Apis indica)
86. Scientific name of lac insect is ………… (Laccifer lac)
87. ………………… are used as a biological control against mosquito larvae. (Fishes)
88. Examples for marine protozoans are ……… and ……(Foraminifer, Radiolaria)
89. Spongin and spicules are present in the skeletons of …… (Sponges)
90. Two shelled molluscs are called .....… (Bivalvians)
91. Snake poison is used in the preparation of …………………… (Antivenom)
92. The famous snake park in India is located at …… near Madras. (Guindy)
93. Birds travelling from place to place for breeding are called …………… birds. (Migratory)
94. ………… is a place where birds and their environment is protected. (Sanctuary)
95. ……… is a place where environment suitable for birds is created artificially. (Aviary)
96. ……… act as biological control for rats. (Snakes)
97. Aviary is similar to …………… (Zoo)
98. Larva of silk moth is called ………… (Caterpillar)
Multiple choice questions
1. Number of wild species of rice are1) 12 2) 18
3) 16 4) 25
2. The present day crops were brought under cultivation before
1) 1000 years 2) 100 years
3) 200 years 4) 2000 years
3. The number of varieties of rice at present are
1) 1300 2) 100
3) 1000 4) 200
4. The Indian Rice Research Institute is located at
1) Bombay 2) Vijayawada
3) Cuttack 4) Kolkata
5. International Rice Research Institute is located at
1) Tokyo 2) New York
3) Manila 4) Delhi
6. Wild plants have the following characters
1) Thorns are present
2) They can thrive in water logged soils
3) They are resistant to drought conditions
4) All the above
7. Rice belongs to the genus
1) Oryza 2) Sativa
3) Indica 4) Japanica
8. The most common technique used for improving crops is
1) Watering 2) Deweeding
3) Hybridisation 4) Ploughing
9. In Germplasm collection
1) Seeds are collected
2) Flowers are collected
3) Plants are collected
4) Leaves are collected
10. One of the ancient method of crop improvement is
1) Mass selection 2) Pedigree method
3) Hybridisation 4) None
11. Pure breed is obtained in this selection
1) Mass selection 2) Clonal selection
3) Pedigree method 4) All
12. Seeds are useful for one season only in this selection
1) Mass selection 2) Pedigree method
3) Clonal selection 4) Hybridisation
13. Pork is the meat of
1) Cattle 2) Horse
3) Pig 4) None
14. Merino breed of sheep are famous for
1) Milk 2) Meat 3) Wool 4) Skin
15. Poultry birds grown specially for meat are
1) Layers 2) Broilers
3) Turkeys 4) None
16. Hybrid of a male horse and female donkey is
1) Mule 2) Henny
3) Both 4) None
17. Rhode Island Red and White Leghorn are breeds popular in
1) Japan 2) India
3) China 4) All the above
18. Corridale is the breed of this country
1) Spain 2) Central Asia
3) New Zealand 4) Japan
19. Karakul is a breed of
1) Cattle 2) Sheep 3) Oxen 4) Cows
20. Livestock means
1) Cows 2) Buffaloes
3) Bulls 4) All the above
21. Breed of Pigs is/are
1) Berkshire 2) Land race
3) Yorkshire 4) All the above
22. Secondary hair of sheep is also called
1) Fleece 2) Wool
3) Both the above 4) None of these
23. Plants produce Carbohydrates in the presence of
1) Light 2) Water
3) Carbon dioxide 4) All the above
24. Zea mays is the scientific name for
1) Rice 2) Paddy
3) Maize 4) Jowar
25. Which of the following is a pulse crop ?
1) Neem 2) Redgram
3) Banana 4) Apple
26. Fossil fuels are
1) Coal 2) Petroleum
3) Both 4) None
27. Uzi fly destroys
1) Silkworm 2) Roundworm
3) Pinworm 4) Seatworm
28. Number of queen bees in a honey comb
1) 3 2) 2 3) 5 4) 1
29. Apis indica is the scientific name of
1) Bumble bee 2) Honey bee
3) Cockroach 4) House fly
30. D.D.T. is an example for
1) Fungicide 2) Weedicide
3) Insecticide 4) None of the above
31. Pheromones are useful for
1) Digestion 2) Respiration
3) Flying 4) Reproduction
32. Rearing of silkworms is called
1) Sericulture 2) Apiculture
3) Olericulture 4) None
33. Rearing of honey bees is called
1) Sericulture 2) Apiculture
3) Olericulture 4) None
34. Flies used to control caterpillars are
1) Uziflies 2) Butterflies
3) Houseflies 4) Tachnid flies
35. Best quality silk is
1) Moonga 2) Erisilk
3) Mulberry 4) All
36. Rock bee is
1) Apis indica 2) Apis dorsata
3) Apis mellifera 4) None
37. Pearl is made up of
1) Sodium carbonate
2) Calcium carbonate
3) Magnesium carbonate
4) Calcium silicate
38. The great Siberian crane is found at the sanctuaries of
1) Bharatpur 2) Jabalpur
3) Nagpur 4) Rampur
39. Snake park is at
1) Guindy 2) Mandi
3) Dundy 4) Delhi
40. Snakes act as a Biological control for
1) Rats 2) Dogs 3) Cats 4) Flies
41. The animals with shells are
1) Molluscs 2) Echinodermates
3) Both 4) None
42. Rats spread this disease
1) Plague 2) Typhoid
3) Cholera 4) Malaria
Answers
1) 2 2) 4 3) 1 4) 3 5) 3 6) 4 7) 1 8) 3 9) 1 10) 1
11) 3 12) 1 13) 3 14) 3 15) 2 16) 2 17) 2 18) 3 19) 2 20) 4
21) 4 22) 2 23) 4 24) 3 25) 2 26) 3 27) 1 28) 4 29) 2 30) 3
31) 4 32) 1 33) 2 34) 4 35) 3 36) 2 37) 2 38) 1 39) 1 40) 1
41) 1 42) 1
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