A. Taiga
B. Alpine
C. Tundra
D. Chapparal
Answer –C. Tundra
Explanation-
Explanation-
462. Species which has restricted distribution is called[SSC CGL Tier-I 2014]
A. Eco species
B. Endemic
C. Sympatric
D. Allopatric
Answer –B. Endemic
Explanation-
Explanation-
463. Which of the following is a Biological method of soil conservations ?[SSC CHSL (10+2) DEO & LDC 2014]
A. Contour farming
B. Contour terracing
C. Gully control
D. Basin listing
Answer –A. Contour farming
Explanation-
Explanation-
464. With what bio-region is the term ‘‘Steppe’’ associated ?[SSC CHSL (10+2) DEO & LDC 2014]
A. Grasslands
B. Tropical forests
C. Savanna
D. Coniferous forests
Answer –A. Grasslands
Explanation-
Explanation-
465. Natural sources of air pollution are: [SSC CGL Tier-I 2014]
A. Forest fires
B. Volcanic eruptions
C. Dust storm
D. Smoke from burning dry leaves
Answer –B. Volcanic eruptions
Explanation-
Explanation-
466. Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity?[SSC CGL Tier-I 2015]
A. Oceans, mangroves, lakes, grassland
B. Mangroves, oceans, grassland, lakes
C. Oceans, lakes, grassland, mangroves
D. Mangroves, grasslands, lakes, oceans
Answer –D. Mangroves, grasslands, lakes, oceans
Explanation-
Explanation-
467. Vergreen type Forests are found in :[SSC CGL Tier-I 2015]
A. Mediterranean region
B. Monsoon climatic area
C. Desert region
D. Equatorial region
Answer –D. Equatorial region
Explanation-
Explanation-
468. Source of energy in ecosystem is: [SSC Data Entry Operator 2009]
A. Sun
B. Green plants
C. Sugar produced in photosynthesis
D. ATP
Answer –A. Sun
Explanation-
Explanation-
469. After which one of the following tribes of India, has a large continent of ancient geological history of the world been named? [SSC Combined Matric Level (PRE) 2001]
A. Santhals
B. Bhils
C. Marias
D. Gonds
Answer –D. Gonds
Explanation-
Explanation-
470. Maps on large scale, representing both natural and man-made features are called: [SSC Graduate Level Tier-I 2013]
A. Wall maps
B. Topographic maps
C. Thematic maps
D. Atlas maps
Answer –B. Topographic maps
Explanation-
Explanation-