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Browse complete papersWhich of the following metals respond only to UV light to cause electron emission from its surface ?
Sodium
Potassium
Zinc
Caesium
Correct answer
Sodium
A vehicle starts from point P and run 10 km towards north direction. Turns to its right and run 15 km. It then turns to right again and runs another 10 km to reach point Q. After taking the second turn, in which direction will the vehicle be run ?
East
West
North
South
Correct answer
East
How many dots lie opposite to the face having three dots, when the given figure is folded to form a cube?
5
4
2
6
Correct answer
5
Considering the identities, choose the correct option
(1) sin2θ + cos2θ = 1
(2) tan2θ + sec2θ = 1
(3) cosec2θ – cot2θ = 1
Only (1) and (2) are correct
Only (1) and (3) are correct
Only (2) and (3) are correct
All (1), (2) and 3 are correct
Correct answer
Only (1) and (2) are correct
'World Economic Outlook' is published by which one of the following organizations?
World Bank
World Trade Organization
International Monetary Fund
United Nations Development Programme
Correct answer
World Bank
An orchid growing as an epiphyte on a tree is an example of which interaction?
Mutualism
Commensalism
Amensalism
Parasitism
Correct answer
Mutualism
What were the forest dwellers known as in ancient India ?
Mandasor
Malecchas
Nishadas
Panikers
Correct answer
Mandasor
Debsa Pass is situated in which of the following states of India ?
Uttarakhand
Sikkim
Himachal Pradesh
Arunachal Pradesh
Correct answer
Uttarakhand
The pollen grains of which of the following plants causes allergy in humans ?
Wheat
Parthenium
Rose
Jasmine
Correct answer
Wheat
Which one of the following is not a part of Xylem Tissue?
Tracheids
Vessels
Sieve Tubes
Fibers
Correct answer
Tracheids