A. Tree
B. Grass
C. Shrub
D. Herb
Answer –B. Grass
Explanation-
Explanation-
432. The transfer of minerals from top soil to subsoil through soil-water is called?[SSC CGL Tier-I (CBE) 2016]
A. Percolation
B. Conduction
C. Leaching
D. Transpiration
Answer –C. Leaching
Explanation-
Explanation-
433. Black soil is also known by which of the following name ?[SSC CGL Tier-I (CBE) 2016]
A. Khadar Soil
B. Bangar Soil
C. Alluvial Soil
D. Regur soil
Answer –D. Regur soil
Explanation-
Explanation-
434. Salination of soil is caused by: [SSC CGL Tier-I (CBE) 2016]
A. pesticides
B. soil erosion
C. excess irrigation
D. crop rotation
Answer –C. excess irrigation
Explanation-
Explanation-
435. Which one of the following is the indirect use of forests? [SSC MTS 2017]
A. Medicinal plants
B. Checking soil erosion
C. Building material
D. Grazing
Answer –B. Checking soil erosion
Explanation-
Explanation-
436. In order to prevent the expansion of deserts, trees are planted in strips or blocks with the shortest trees on the desert side and tallest on the other side. Such plantation is called? [SSC CGL Prelim 2000]
A. shelter belts
B. agroforests
C. wind breaks
D. social forests
Answer –C. wind breaks
Explanation-
Explanation-
437. The presence of a lion in the forest is essential in order to [SSC Section Officer (Audit) 2001]
A. keep the trees safe from felling
B. add beauty in the forests
C. save the pastures from being overgrazed
D. keep other carnivorous animals away
Answer –C. save the pastures from being overgrazed
D. keep other carnivorous animals away
Explanation-
D. keep other carnivorous animals away
Explanation-
438. Which one is not a non-conventional energy source? [SSC Section Officer (Audit) 2001]
A. Nuclear energy
B. Solar Energy
C. Wind energy
D. Tidal power
Answer –A. Nuclear energy
Explanation-
Explanation-
439. The Montreal Protocol 1987 refers to: [SSC Section Officer (Audit) 2001]
A. saving the Bio-diversity of our planet
B. signing of an accord on the peaceful uses of atmoic energy
C. signing of an accord on keeping the antarctica as a nuclear free zone
D. saving the ozone layer from destruction by reducting the use of CFCs
Answer –D. saving the ozone layer from destruction by reducting the use of CFCs
Explanation-
Explanation-
440. Trees are leafless for a shorter or longer season of the year in: [SSC CGL Prelim 2002] A. Evergreen forest
B. Mangrove forest
C. Scrub jungle forest
D. Deciduous forest
Answer –D. Deciduous forest
Explanation-
Explanation-