SOLVED PYQs UGC NET (GEOGRAPHY)
Ecology & Environment
UGC NET GEOGRAPHY
Geography of Environment (UNIT 4)
Covered Topics: Components of Ecosystem & Human Ecology, Functions of Ecosystem: Trophic Levels, Energy flows, Cycles (Geo-Chemical, Carbon, N2, 02), Food Chain, Food Wet, Ecological Pyramid, Human Interaction and Impacts, Environmental Ethics, Deep Ecology
1. Match the List-I with List-II and select the correct answer from the codes given below. (SEPT 2013)
| List-I (Natural Vegetation) | List-II (Indian States / UTs) |
|---|---|
| A. Conifers | I. Jharkhand |
| B. Evergreen | II. Rajasthan |
| C. Xerophytes | III. Andaman & Nicobar |
| D. Deciduous | IV. Jammu & Kashmir |
Codes
| A | B | C | D |
|---|---|---|---|
| (1) III | IV | I | II |
| (2) IV | III | II | I |
| (3) II | I | III | IV |
| (4) I | II | IV | III |
2. Vast numbers of herbivorous animals and carnivorous such as lions, jackals and hyenas are found in (JUNE 2014)
(1) Equatorial rainforest
(2) Taiga
(3) Campos of Brazil
(4) Savannas of Africa
3. Match List-I with List-II and select the correct answer from the codes given below. (JUNE 2014)
| List-I (Organisms) | List-II (Trophic levels) |
|---|---|
| A. Green plants | I. Decomposer |
| B. Animal | II. Primary consumer |
| C. Plant parasites | III. Secondary consumer |
| D. Fungi | IV. Producer |
Codes
| A | B | C | D |
|---|---|---|---|
| (1) IV | III | II | I |
| (2) II | I | IV | III |
| (3) III | II | I | IV |
| (4) I | II | IV | III |
4. Which one of the following marine ecosystems has the highest primary production? (DEC 2014)
(1) Open seas
(2) Tidal estuaries
(3) Continental shelves
(4) Algae beds and reefs
5. Hekistotherm plants are found in (DEC 2014)
(1) Mediterranean climate
(2) Hot desert
(3) Equatorial climate
(4) Cold desert
6. How many essential nutrients are required by plants to fulfil their growth requirements? (JUNE 2015)
(1) 24
(2) 22
(3) 20
(4) 18
7. Mesophytes are predominant in (JUNE 2015)
(1) Tropical region
(2) Sub-polar region
(3) Temperate region
(4) Polar region
8. The place where an organism or community of organisms lives is called (JUNE 2015)
(1) Environment
(2) Atmosphere
(3) Habitat
(4) Society
9. Photosynthesis is the process by which (JUNE 2015)
(1) Radiant energy is converted into chemical energy
(2) Radiant energy is converted into thermal energy
(3) Radiant energy is converted into bio-energy
(4) Radiant energy is converted into geothermal energy
10. Which one of the following is not a macronutrient to plants? (JUNE 2015)
(1) Carbon
(2) Iron
(3) Nitrogen
(4) Oxygen
11. Identify the correct sequence of vegetation belts in ascending order in a mountain environment. (DEC 2015)
(1) Sub-montane → Montane → Sub-alpine → Alpine
(2) Alpine → Sub-alpine → Montane → Sub-montane
(3) Montane → Sub-montane → Alpine → Sub-alpine
(4) Alpine → Montane → Sub-alpine → Sub-montane
| 1 (2) | 2 (4) | 3 (1) | 4 (4) | 5 (4) | 6 (4) | 7 (3) | 8 (3) | 9 (1) | 10 (2) |
|---|---|---|---|---|---|---|---|---|---|
| 11 (1) | 12 (4) | 13 (4) | 14 (3) | 15 (4) | 16 (2) | 17 (4) | 18 (3) | 19 (2) | 20 (3) |
| 21 (2) | 22 (4) | 23 (3) | 24 (1) | 25 (3) | 26 (2) | 27 (1) | 28 (2) | 29 (2) | 30 (1) |
| 31 (4) | 32 (3) | 33 (3) | 34 (3) | 35 (3) | 36 (4) | 37 (2) | 38 (2) | 39 (2) | 40 (1) |
| 41 (4) | 42 (3) | 43 (4) | 44 (2) | 45 (3) | 46 (1) | 47 (3) | 48 (1) | 49 (2) | 50 (2) |
| 51 (4) | 52 (3) | 53 (3) | 54 (4) | 55 (4) | 56 (3) | 57 (4) | 58 (3) | 59 (1) | 60 (3) |
| 61 (4) | 62 (1) | 63 (2) | 64 (2) | 65 (3) | 66 (4) | 67 (3) | 68 (2) | 69 (3) | 70 (1) |
Explanation