Most effective controlling floods is Reforestation

1.More than 70% of world's fresh water is contained in
(a) Ponds
(b) Glaciers and polar ice caps
(c) Green land
(d) Oceans
Answer: (b)
2.Most effective controlling floods is
(a) Deforstation
(b) Constructing dams
(c) Reforestation
(d) Dagging canal
Answer: (c)
3.Most of the endangered species are victims of
(a) Acid rain
(b) Competition with exotic species
(c) Over hunting
(d) Habitat Destruction
Answer: (d)
4.Natural resource which have definite cycle is
(a) Exhaustible Non-renewable
(b) Inexhaustible
(c) Non conventional
(d) Exhaustible Renewable
Answer: (d)
5.Natures hydrogical cycle involves
(a) Evaporation, condensation
(b) Condensation, precipitation
(c) Evaporation, precipitation
(d) Evaporation, condensation and precipitation
Answer: (d)
6.Out of total amount of water, the water found in seas and oceans is about
(a) 70%
(b) 90%
(c) 97%
(d) 85%
Answer: (c)
7.Planned management of natural resources is
(a) Not  possible
(b) Not easy
(c) called conservation
(d) Called depletion
Answer: (c)
8.Plantation of trees along with monocot crops is known
(a) Agroforestry
(b) Silviculture
(c) Social forestry
(d) Afforestation
Answer: (a)
9.Planting of trees on unused farm land, road and rail sides etc is called
(a) Social forestry
(b) Agroforestry
(c) General forestry
(d) Commercial forestry
Answer: (a)
10.Planting of trees on unused farmland, Rail and road sides is
(a) Commercial Forestry
(b) Agroforestry
(c) Social forestry
(d) Reforestation
Answer: (c)
11.Planting of trees, shrubs and others in between crop plants for commercial exploitation and stabilization of soil is
(a) Taungya system
(b) Social forestry
(c) Agroforestry
(d) Production plantation
Answer: (c)
12.Plants of endangered species are conserved through
(a) Herbarinum
(b) Gene library
(c) Gene bank
(d) Reducing pollution
Answer: (c)
13.Population of species decreasing over a period called as
(a) Extinct
(b) Eliminated
(c) Endangered
(d) Rare
Answer: (c)
14.Radiations not useful in remote sensing are
(a) UV radiations
(b) Microwaves
(c) Ultrasonic waves
(d) Infra – red radiations
Answer: (c)
15.Red Data Book contains information about
(a) Red coloured insects
(b) Red eyed birds
(c) Red coloured fishes
(d) Endangered plants and animals
Answer: (d)