1.The equational representation of aridity is as following.
…B.P/ETP
2.How much area of world is cover by arid land.
…B.One third
3.Aridity is based on following factor.
… A.Rainfall and temperature
4.TWhat is necessary for survival of plants in arid zone.
… A.Dew and mist
5.Vegetation occurs in arid zone are.
… B.Scarce
6.Drought deciduous plants are biologically dormant during.
… B.Dry season
7.. The equational representation of aridity is as following.
…B.P/ETP
8.How much area of world is cover by arid land.
…B.One Third
9.Aridity is based on following factor.
…A.Rainfall and temperature
10.What is necessary for survival of plants in arid zone.
…A.Dew and mist
11.Vegetation occurs in arid zone are.
… B.Scarce
12.Drought deciduous plants are biologically dormant during.
…B.Dry season
13.Majority of plants in arid zone are.
…B. Non-succulents perennials
14.Cuticularization the formation of surface plaster-like layer of.
…B.Cutin
15.Type of drought resistant plant is.
… A.Cacti
16.Leaves may be polymeric in .
…Drought evading plants
17.The root system of Phreatophytes is.
…B.Extensive
18.Compound leaves commonly live for.
…A.8-14 months
19.Stomata of CAM plants open at.
… A.Night time
20.Microphyll, solar angles, solar tracking, leaf reflectance are the adaptations of.
… Drought resistance plants
21.What is the predominant feature of arid land.
… A.Water scarcity
22.Hyper arid zone covers total land area.
… A.4.2%
23.Trichomes help in.
… D.All
24.Leaf type in drought resistance plants is.
… C.Finely divided leaf
25.Biennials grow.
… C.Once in two year
26.Typical example of avoidance is.
… A.Annuals
27.Distance from equator leads to.
… B.Shorter rainy season
28.Major causes of desertification is.
… D.All of these
29.Significant global ecological and environmental problem is.
… D.Desertification
30.Plays a huge role in desertification.
…A.Climate change
31Water scarcity in dry lands limits the production of
…D.All of these
32.More lands will be saved from desertification by.
…A.Sustainable practice
33.At night the temp of arid zone neighborhood is.
…A.10
34.The highest seed densities are associated with
…A.Wind shadow
35.Seeds may remain viable for how many years under artificial conditions
…B.10years
36.Drought enduring plants are known as.
…B.True-xerophytes
37.Having dominant role in semi-arid regions.
…B. Shrubs
38.Xenomorphic leaves are characterized by.
…B.Thick cuticle
39.ETP calculated by methods of penman, taking into account.
…D.All
40.Soil is Sandy with.
… D.All
41.Vegetation is sparse, limited with.
…B.Low biomass production
42.Even in dry, semi-arid and temperate areas, seasonal rainfall of only.
… B.300-400mm
43.Rainfall intensity relates to the risk of.
… C.Soil erosion
44.Aridity means.
…D.All of these
45. How much area of world is cover by arid land.
… B.One third
46.Sedentary livestock occurs in.
…D. Semi arid zone
47.Major causes of aridity is.
…Both b and c
48.When rainfall occur in tropical climate.
…A.Summer
49.Humidity in arid zone is.
… B.Low
50.Dew and mist causes in arid zone causes.
… A.Higher humidity
