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Home » GAT Subject » Aptitude Test - 112
Hassan
1.Almost one third of the land area through out the world is affected by land degradation. Pakistan�s agriculture sector though facilitates employment to >65% but is facing challenges from:
A. Erosion
B. Salinity
C. Waterlogging
D. Erosion
2.Term forest is derived from: __?
A. English word
B. French word
C. Latin word
D. English word
3.Vegetation found in saline soils is termed by _____?
A. Halophyte
B. Hetrophyics
C. Viticphyics
D. Halophyte
4.Plants which grow on sandy soils:_________?
A. Chasmophytes
B. Lithophytes
C. Psammophytes
D. Chasmophytes
5.Which nutrients are immobile in plants?
A. Ca only
B. P only
C. B only
D. Ca only
6.The highest Cation Exchange Capacity is in:_________?
A. Sandy Soil
B. Clay soil
C. Gravely soil
D. Sandy Soil
7.Fossils are found in which type of rock:
A. Sedimentary rock
B. Metamorphic rock
C. Stratified rock
D. Sedimentary rock
8.A & B horizon is called as:________?
A. Regolith
B. Poly-pedon
C. Series
D. Regolith
9.Availability of Phosphorus is maximum at:__________?
A. Neutral
B. Alkaline
C. Acidic
D. Neutral
10.Flow of nitrogen in soil due to:_________?
A. Diffusion
B. Interception
C. Mass flow
D. Diffusion
11.Which of the following nutrient play the most effective role in controlling rate of transpiration:
A. Potassium
B. Zinc
C. Phosphorus
D. Potassium
12.Which is the correct sequence of soil erosion by water:
A. Rill-Sheet-Gully
B. Gully-Sheet-Rill
C. Sheet-Rill-Gully
D. Rill-Sheet-Gully
13.The clay fraction of the soil contains particles less than 0.002 mm. Particles <0.001 mm size:
A. Soil Silt
B. Soil colloids
C. Soil loam
D. Soil Silt
14.Soil order Vertisol is related to:_________?
A. Black soils
B. River soils
C. Marine deposits
D. Black soils
15.Which type of structure is dominant in grasslands:
A. Prismatic & Columnar
B. Spheroidal or Sphere-like
C. Angular blocky Sub-angular blocky
D. Prismatic & Columnar
16.The study of relationship between soil properties & plant production is known as:_________?
A. Pedology
B. Soil Science
C. Agronomy
D. Pedology
17.Soil conservation is performed by:_________?
A. Cutting trees
B. Excessive grazing
C. By plantation
D. Cutting trees
18.One of the following is not a form of water erosion:
A. Saltation
B. Rainsplash erosion
C. Sheet erosion
D. Saltation
19.�Wash-in� takes place in which horizon?
A. E
B. O
C. B
D. E
20.The soil texture refers to the relative proportion of sand,__________ and clay:
A. Stone
B. Soil
C. Rock
D. Stone
21.The capacity of a soil to function on sustained basis promoting plant and animal health:
A. Soil Quality
B. Soil Pollution
C. Soil Salinity
D. Soil Quality
22.Type strain is used for referring to?
A. species
B. genus
C. family
D. species
23.% Similarity (%S) of each strain to every other strain is calculated by which method?
A. Intuitive Method
B. Numerical Taxonomy
C. Genetic Relatedness
D. Intuitive Method
24.What are ribosomes composed of?
A. Proteins
B. DNA
C. RNA
D. Proteins
25.Which of the following are characteristics of archaebacterial different from eubacteria?
A. methane-producers
B. extreme halophiles
C. thermoacidophiles
D. methane-producers
26.Which among the following come under Gram-positive eubacteria?
A. Clostridium
B. Actinomyces
C. Rhizobium
D. Clostridium
27.Which among the following kingdoms were proposed by Whittaker?
A. Monera
B. Protista, Fungi
C. Plantae, Animalia
D. Monera
28.According to Bergey�s Manual of Systematic Bacteriology, prokaryotes that lack a cell wall belong to the group?
A. Gracilicutes
B. Firmicutes
C. Tenericutes
D. Gracilicutes
29.Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed?
A. Eyepiece lens
B. Objective lens
C. Condenser lens
D. Eyepiece lens
30.What is the minimum distance for the eye to focus any object?
A. 11 cm
B. 25 cm
C. 32 cm
D. 11 cm
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