Economic Botany Qbjective Type Questions and Answers

Questions

21 Green Revolution in India was possible due to

A Intensive cultivation

B Better irrigation, fertilizers and pesticide facilities

C Exploitation of high yielding varieties

D All the above

View Answer

Answer: All the above

22 Father of Green Revolution is

A N. E. Borlaug

B N. I. Vavilov

C M. S. Swaminathan

D G. S. Khush

View Answer

Answer: N. E. Borlaug

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23 Dry farming is

A Growing crops in unirrigated arid areas

B Farming using sprinkler system

C Farming in deserts

D Planting drought resistant trees in deserts

View Answer

Answer: Growing crops in unirrigated arid areas

24 Cabbage originated in

A Mediterranean

B Mexico and Central America

C Peruvian Andes

D South West Asia

View Answer

Answer: Mediterranean

25 The centre of origin of Almond and Apple is

A Asia Minor and Afghanistan

B China

C South-West Asia

D South-East Asia

View Answer

Answer: Asia Minor and Afghanistan

26 The original home of Rice is

A South-East Asia

B Mediterranean

C South-West Asia

D China

View Answer

Answer: South-East Asia

27 Peruvian Andes are believed to be centre of origin of

A Tomato and Potato

B Tomato, Potato and Chillies

C Potato

D Tomato

View Answer

Answer: Tomato, Potato and Chillies

28 South-East Asia is thought to be centre for the origin of

A Rice, Sugarcane and Mango

B Rice, Sugarcane, Mango and Banana

C Rice

D Rice and Sugarcane

View Answer

Answer: Rice, Sugarcane, Mango and Banana

29 The famous cultivated plant which developed in China is

A Cotton

B Coffee

C Tea

D Orange

View Answer

Answer: Tea

30 The centre of origin of Wheat is

A Mexico

B South-East Asia

C South-West Asia

D Asia Minor and Afghanistan

View Answer

Answer: South-West Asia

31 Improved Wheat varieties are

A Kalyan Sana

B Sonalika

C Sharbati Sonora

D All the above

View Answer

Answer: All the above

32 Polishing of Rice is harmful as

A It coats the grains with harmful chemicals

B It removes embryo

C It removes outer protein and vitamin rich nutritive layer

D Both B and C.

View Answer

Answer: Both B and C.

33 Rice is a crop of

A Clayey loam soils

B Wet areas

C Irrigated areas

D All the above

View Answer

Answer: All the above

34 Resrpine, s drug is extracted from

A Rauwolfia serpentina

B Digitalis purpurea

C Brassica oleraceae

D Atropa belladonna

View Answer

Answer: Rauwolfia serpentina

35 Fibre of great commercial importance derived from epidermis is

A Cotton

B Coir

C Flax

D Hemp

View Answer

Answer: Cotton

36 One of the following plants is a rich variety of timber:

A Dalbergia sissoo

B Cassia fistula

C Acacia arabica

D Morus alba

View Answer

Answer: Dalbergia sissoo

37 Castor oil is obtained from

A Ricinus communis

B Brassica campestris

C Sesamum indicum

D Linum spp

View Answer

Answer: Ricinus communis

38 Centres of early civilisation were in

A Temperate plains

B River valleys

C Tropical plains

D Hills

View Answer

Answer: Temperate plains

39 Ethiopia is the original home of

A Cabbage

B Maize

C Rice

D Coffee

View Answer

Answer: Coffee

40 Maize evolved in

A Mexico and Central America

B Asia Minor and Afghanistan

C U.S.A.

D Brazil

View Answer

Answer: Mexico and Central America

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