Which one of the following practices is adopted for restoring the fertility of soil?
(1) Weeding
(2) Levelling
(3) Fallowing
(4) Harrowing
Which is a tropical food crop requiring a temperature of 270 C and a rainfall of more than 100 cm?
(1) Wheat
(2) Maize
(3) Rice
(4) Barley
Coffee is a
(1) Sub-tropical shrub
(2) Warm temperate shrub
(3) Tropical shrub
(4) Cool temperate shrub
Contour plowing helps in
(1) stopping floods
(2) growing crops
(3) soil conservation
(4) checking landslides
Black soil is mainly related to the crop of
(1) cotton
(2) sugarcane
(3) tea
(4) coffee
Humus is a type of
(1) fossil seen on the rocks
(2) decaying organic matters in soil
(3) fertilizers applied in soil
(4) special growth found in plants
A significant quantity of upper soil is formed by
(1) Igneous rock
(2) Sedimentary rock
(3) Metamorphic rock
(4) Biological degradation
In a desert region, soil erosion can be checked by
(1) Tree plantation/afforestation
(2) Crop rotation
(3) Contour ploughing
(4) Using farm manure
Alluvial soils are usually
(i) Rich in nitrogen
(ii) Poor in humus
(iii) Highly fertile
(iv) Easy to plough
(1) (i), (ii) and (iv)
(2) (ii), (iii) and (iv)
(3) (i), (iii) and (iv)
(4) (i), (ii) and (iii)
The land which is not cultivated every year though it is suitable for cultivation :
(1) Wasteland
(2) Pastureland
(3) Fallow land
(4) Cultivable wasteland
The organic matter present in the soil is known collectively as
(1) Hydrocarbons
(2)Podsols
(3) Humus
(4)Colloids
Which one of the following soils is used for the production of bricks?
(1) Peaty and organic
(2) Saline
(3) Laterite
(4) Red and yellow
Plantation of trees on a large scale to check soil erosion are called:
(1) Shelterbelts
(2) Contour ploughing
(3) Strip cropping
(4) Afforestation
Soil formed by leaching and oxidation is
(1) Black soil
(2) Laterite soi
l (3) Red soil
(4) Montane soil
Soil that is prone to intensive leaching due to rain is called
(1) Laterite
(2) Black
(3) Alluvial
(4) Red
Soil factors are otherwise known as :
(1) Edaphic factors
(2) Biotic factors
(3) Physiographic factors
(4) Climatic factors
A highly specialized form of agriculture in which crops like coffee, tea, and rubber are cultivated refer to
(1) multiple cropping
(2) plantation agriculture
(3) terrace farming
(4) extensive farming
Identify the most infertile amongst the following soils.
(1) Black cotton soil
(2) Alluvial soil
(3) Laterite soil
(4) Peaty soil
All Questions
Physics
Chemistry
Mathematics
English
Organic Chemistry
Inorganic Chemistry
Physical Chemistry
Algebra
Geometry
Evaluate :
∫2xcos(x2 – 5).dx
If the sum of 14 terms of an A. P is 1050 its first term is 10 find 20th term ?
Diagonals of a quadrilateral 30 cm long and the perpendicular drawn from the opposite vertices are 5.6 and 7.4 cm find the area of the quadrilateral.with steps ?
Find the sum of the integers between 10 and 30 including 10 and 30 which are not divisible by 3.
A cyclic quadrilateral pqrs are where PS equals to PQ and angle SPQ is 70 degree find angle psq