CSS Forestry Questions & Answers - Part-1 - Set 5

1)   Carbon cycle includes:

a. Producer, consumer, decomposer
b. Producer, consumer, producer
c. Producer , decomposer, consumer
d. Consumer, producer, decomposer
Answer  Explanation 

ANSWER: Producer, consumer, decomposer

Explanation:
No explanation is available for this question!


2)   Azolla is used as a biofertilizer because it:

a. Multiplies very fast to produce massive biomass
b. Has association of nitrogen-fixing Rhizobium
c. Has association nitrogen fixing Cyanobacteria
d. Has association of mycorrhiza
Answer  Explanation 

ANSWER: Has association nitrogen fixing Cyanobacteria

Explanation:
No explanation is available for this question!


3)   Plants like Saccharum. Imperata, Capparis and Acacia occur in the following biome:

a. Temperatr grassland
b. Tropical savannah
c. Tropical rain forest
d. Desert
Answer  Explanation 

ANSWER: Tropical savannah

Explanation:
No explanation is available for this question!


4)   During anaerobic digestion of organic waste, such as in producing biogas, which of the following is left undergraded?

a. Lignin
b. Lipids
c. Cellulose
d. Hemi-cellulose
Answer  Explanation 

ANSWER: Lignin

Explanation:
No explanation is available for this question!


5)   Nektons are:

a. Organisms that swim in water
b. Floating plants
c. Suspended lower plants
d. Animals associated with plants
e. Algae
Answer  Explanation 

ANSWER: Organisms that swim in water

Explanation:
No explanation is available for this question!


6)   The temperate broad-leaf forest biomes are characterized by the predominance of

a. Cupressus sp.
b. Dalbergia sp.
c. Diospyros sp.
d. Quercus sp.
Answer  Explanation 

ANSWER: Quercus sp.

Explanation:
No explanation is available for this question!


7)   These belong to the category of primary consumers:

a. Snakes and frogs
b. Water insects
c. Eagle and snakes
d. Insects and cattle
Answer  Explanation 

ANSWER: Insects and cattle

Explanation:
No explanation is available for this question!


8)   The plants of Cupressus and Cedrus are characteristic of:

a. Temperate broad-leaf forest
b. Temperate coniferous forest
c. Chaparral
d. Desert
Answer  Explanation 

ANSWER: Temperate coniferous forest

Explanation:
No explanation is available for this question!


9)   The moist tropical deciduous forest biomes show predominace of plants like:

a. Larix and Abies
b. Zizyphus and Butea
c. Shorea and Tectona
d. All of these
Answer  Explanation 

ANSWER: Shorea and Tectona

Explanation:
No explanation is available for this question!


10)   Buttresses are usually found in the plants growing in:

a. Tropical deciduous forests
b. Temperate coniferous forests
c. Temperate broad-leaf forest
d. Tropical rain forest
Answer  Explanation 

ANSWER: Tropical rain forest

Explanation:
No explanation is available for this question!


11)   In a biome the life form of climatic climax vegetation is:

a. Uniform
b. Variable
c. Absent
d. Unpredictable
Answer  Explanation 

ANSWER: Uniform

Explanation:
No explanation is available for this question!


12)   The fungi in a forest ecosystem act as:

a. Macroconsumer
b. Decomposer
c. Omnivore
d. Producer
Answer  Explanation 

ANSWER: Decomposer

Explanation:
No explanation is available for this question!


13)   Decomposers are:

a. Autotrophs
b. Heterotrophs
c. Organotropbs
d. Autoheterotrophs
Answer  Explanation 

ANSWER: Heterotrophs

Explanation:
No explanation is available for this question!


14)   In the phosphorus cycle, weathering makes phosphate available first to:

a. Decomposers
b. Consumers
c. Producers
d. All the above
Answer  Explanation 

ANSWER: Producers

Explanation:
No explanation is available for this question!


15)   During food chain the maximum energy is stored in:

a. Producers
b. Decomposers
c. Herbivores
d. Carnivores
Answer  Explanation 

ANSWER: Producers

Explanation:
No explanation is available for this question!


16)   In the following there is no difference:

a. Trophic level 1st and herbivores
b. Primary consumers and herbivores
c. Primary carnivore and trophic level 2nd
d. Secondary consumer and herbivores
Answer  Explanation 

ANSWER: Primary consumers and herbivores

Explanation:
No explanation is available for this question!


17)   The ultimate energy source of ecosystem is:

a. Solar energy
b. Biomass
c. Producer
d. Carbohydrates
Answer  Explanation 

ANSWER: Solar energy

Explanation:
No explanation is available for this question!


18)   Ecological pyramids were discovered by:

a. Elton
b. Odum
c. Reiter
d. None of these
Answer  Explanation 

ANSWER: Elton

Explanation:
No explanation is available for this question!


19)   An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having:

a. High stability and low resilience
b. Low stability and low resilience
c. Low stability and high resilience
d. High stability and high resillience
Answer  Explanation 

ANSWER: High stability and high resillience

Explanation:
No explanation is available for this question!


20)   The correct sequence of food chain is:

a. Grass-insect-bird-snake
b. Grass-bird-insect-snake
c. Snake-bird-insect-grass
d. Grass-snake-bird-insect
Answer  Explanation 

ANSWER: Grass-insect-bird-snake

Explanation:
No explanation is available for this question!


21)   Bacteria and fungi in a forest ecosystem are generally:

a. Producers
b. Decomposers
c. Primary consumers
d. Secondary consumers
e. Tertiary consumers
Answer  Explanation 

ANSWER: Decomposers

Explanation:
No explanation is available for this question!


22)   Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

a. Tertiary Production
b. Gross Production (GP)
c. Net Production (NP)
d. Secondary Production
Answer  Explanation 

ANSWER: Gross Production (GP)

Explanation:
No explanation is available for this question!


23)   In a food chain, the total amount of living material is depicted by:

a. Pyramid of biomass
b. Pyramid of energy
c. Pyramid of number
d. Trophic levels
Answer  Explanation 

ANSWER: Pyramid of biomass

Explanation:
No explanation is available for this question!


24)   Environmental factors in ecosystem:

a. Abiotic factors
b. Biotic factors
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


25)   Abiotic factors are:

a. Climatic
b. Edaphic factors
c. Topography
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


26)   Branches of ecology are:

a. Autecology
b. Synecology
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


27)   Synecology can be subdivided into how many branches:

a. Population ecology
b. Community ecology
c. Ecosystem ecology
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


28)   Ecosystem includes:

a. A basic functional ecology unit including both biotic
b. Abiotic component mutually adjusting with each other for the maintendance of life
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


29)   Components of ecosystem are:

a. Abotic
b. Biotic
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


30)   Abiotic components are:

a. Inorganic
b. Organic
c. Climatic
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


31)   Biotic components are:

a. Producers (Autotraphy)
b. Macroconsumers (Hetrotrophs)
c. Microconsumers (Seprotraphs/Decomposers)
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


32)   Non-biotic components can be grauped into:

a. Lithosphere
b. Hydrosphere
c. Atmosphere
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


33)   Plant succession means:

a. A change in the composition and nature of plant community of particular habitat over the years
b. Any habitat can be studied systematically provided the area is free from any external disturbance
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


34)   Causes of plant succession are:

a. Environmental changes produced as a result of reaction to the community become favorable for new species of plants
b. Physiographic factors produce change in the habitat like flooding of plains, soil erosion, change in temperature, rain etc.
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


35)   Classification of plant succession categorised as:

a. Primary succession
b. Secondary succession
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


36)   Major types of climax are:

a. Monoclimax
b. Polyclimax
c. Sub-climax
d. Disclimax
e. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


37)   Forest Ecosystem means:

a. The produces in forest are actual at different strata from the ground level to the canopy of trees.
b. The litter and consequently the humus layers is thick
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


38)   Typical successions in forest are:

a. Riverain
b. Esturine
c. Confierous
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


39)   Plant associations refer:

a. A group or community of plants living together in common habitat
b. A group may include different species of plants, belonging to different families
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


40)   Hydrophytes (Acquatic Plants) means:

a. A reduction of the protective, conducting and supporting tissues
b. Absences of palisade tissue
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


41)   Hygrophytes (Moisture loving plants) means:

a. The pants are usually stunted in growth
b. Roots and stem are poorly developed
c. Leaves are large and tend to avoid water less lam transpiration
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


42)   Mesophytes means:

a. Are ordinary plants growing under average conditions
b. The occupy intermediate conditions between xerophyte and hydrophytes
c. Some trees and stress with deciduous leaves show marked seasonal differences
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


43)   Xerophytes means:

a. Grow in desert or dry, hot, sandy place with scanty rainfall
b. A desert habitant is characterized by Blarcity of water in soil, extremely dry intense light, high temp and strong winds
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


44)   The modes of Perennation are:

a. Evergreen trees
b. Deciduous trees
c. Herbaceous perennials
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


45)   The major types of soil are recognized on the basis of their mode of accumulation and include:

a. Residual
b. Transported
c. Colluvial
d. Alluvial
e. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


46)   The Organic contents of soil are:

a. Humus
b. Mull
c. Peat and Much
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


47)   Soil water depicts:

a. Gravitational
b. Capillary
c. Hygroscopic
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


48)   The soil moisture constants are:

a. Hygroscopic co-efficient
b. Water holding capacity
c. Field Capacity
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


49)   The major types of soil erosion are:

a. Normal or geological
b. Accelerated
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


50)   Accelerated soil erosion factors are:

a. Soil erosion by water
b. Soil erosion by wind
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!