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Biology 12 Ch-27 BIOLOGY AND HUMAN WELFARE- 26
1.
What is the important basis of agricultural development throughout the world?
Husbandry
Plant introduction
Backcross
Hybridization
2.
When was ground nut introduced?
In 15th century
In 21th century
In 17th century
In 19th century
3.
Which of the following eatable was introduced by Philippines?
Water-melon
Melon
Mangoes
Ground nut
4.
By which of the following, ground nut was introduced?
Africa
Scotland
Philippines
France
5.
Which of the following eatable was introduced by West Indies?
Papayas
Mangoes
Melon
Water-melon
6.
By which of the following, Papayas was introduced?
France
Africa
Scotland
West Indies
7.
Which of the following eatable was introduced by South America?
Water-melon
Melon
Mangoes
Potato
8.
By which of the following, Potato was introduced?
France
Scotland
South America
Africa
9.
Which of the following eatable was introduced by Brazil?
Water-melon
Date-palm
Mangoes
Melon
10.
By which of the following, date-palm was introduced?
Brazil
Africa
France
Scotland
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