CSS Forestry Questions & Answers - Part-2 - Set 10

1)   The Forest Act of 1927 needs to be reversed again to bring it in consonance with the modern day requirements of protecting preserving and expanding the country's meager forest resources and the attended benefits such as:

a. Water
b. Wood
c. Wildlife
d. Energy
e. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


2)   Terracing is an affective method of soil conservation:

a. Desert areas
b. Hilly areas
c. Plains
d. Riverine areas
Answer  Explanation 

ANSWER: Hilly areas

Explanation:
No explanation is available for this question!


3)   Which is the main causative factor for desertification?

a. Irrigated agriculture
b. Overgrazing
c. Tourism
d. Developmental activities
Answer  Explanation 

ANSWER: Overgrazing

Explanation:
No explanation is available for this question!


4)   Deforestation may reduce the chances of:

a. Rain fall
b. Frequent cyclones
c. Erosion of surface soil
d. Frequent landslides
Answer  Explanation 

ANSWER: Rain fall

Explanation:
No explanation is available for this question!


5)   Deforestation causes:

a. Soil erosion
b. Pollution
c. No floods
d. None of these
Answer  Explanation 

ANSWER: Soil erosion

Explanation:
No explanation is available for this question!


6)   One of the following crops is the most effective in controlling soil erosion:

a. Cotton
b. Pigeon pea
c. Green gram
d. Maize
Answer  Explanation 

ANSWER: Pigeon pea

Explanation:
No explanation is available for this question!


7)   Sheet erosion is caused by:

a. Fast running rivers
b. Wind
c. Heavy rains
d. Glaciers
Answer  Explanation 

ANSWER: Heavy rains

Explanation:
No explanation is available for this question!


8)   Soil conservation means:

a. Prevention of spread of desert
b. To check soil erosion by wind and rains
c. To check soil erosion by afforestation
d. All of these
Answer  Explanation 

ANSWER: All of these

Explanation:
No explanation is available for this question!


9)   Soil conservation can best achieved by having:

a. Wind screens
b. Good plant covers
c. Restricted human activity
d. Low rainfall
Answer  Explanation 

ANSWER: Good plant covers

Explanation:
No explanation is available for this question!


10)   Main indicator of soil erosion is:

a. Deforestation
b. Afforestation
c. Ozone layer
d. Goats and grazing animals
Answer  Explanation 

ANSWER: Deforestation

Explanation:
No explanation is available for this question!


11)   Dark coloured soils are considered most fertile as they contain:

a. Gravel and sand
b. Sand and calcium
c. Clay and humus
d. Silt and earthworms
Answer  Explanation 

ANSWER: Clay and humus

Explanation:
No explanation is available for this question!


12)   Which of the following prevents afforestation in deserts:

a. Goat and grazing animals
b. Local resident
c. Unfertility of soil
d. Low rainfall
Answer  Explanation 

ANSWER: Low rainfall

Explanation:
No explanation is available for this question!


13)   Eroded soils are:

a. Rich in plant nutrients
b. Unaltered in plant nutrients
c. Devoid of plant nutrients
d. All of these
Answer  Explanation 

ANSWER: Devoid of plant nutrients

Explanation:
No explanation is available for this question!


14)   Fifth of June is celebrated as:

a. World environment day
b. Darwin's birthday
c. World health and hygiene day
d. World population day
Answer  Explanation 

ANSWER: World environment day

Explanation:
No explanation is available for this question!


15)   Mulching helps in:

a. Moisture conservation
b. Weed control
c. Improvement of soil structure
d. Increasing soil fertility
Answer  Explanation 

ANSWER: Moisture conservation

Explanation:
No explanation is available for this question!


16)   The ecological equilibrium in mined areas can be achieved by:

a. Preventing soil erosion
b. Developing a vegetational cover
c. Preventing overgrazing
d. Introducing agriculture
Answer  Explanation 

ANSWER: Developing a vegetational cover

Explanation:
No explanation is available for this question!


17)   Agrostology is related with the study of:

a. Agricultural growth
b. Epiphytes
c. Grasses
d. Nematode disease
Answer  Explanation 

ANSWER: Grasses

Explanation:
No explanation is available for this question!


18)   What is the major cause of diminishing wild life?

a. Cannabalism
b. Habitat destruction
c. Felling of trees
d. Paucity of drinking water
Answer  Explanation 

ANSWER: Habitat destruction

Explanation:
No explanation is available for this question!


19)   Rotation of crop is essential for:

a. Increasing fertility of soil
b. Increasing quality of protein
c. Getting different kinds of crops
d. Increasing quality of minerals
Answer  Explanation 

ANSWER: Increasing fertility of soil

Explanation:
No explanation is available for this question!


20)   Soil erosion can be reduced by:

a. Reducing over grazing
b. Planting proper plants
c. Making dams
d. All of those
Answer  Explanation 

ANSWER: All of those

Explanation:
No explanation is available for this question!


21)   Soil erosion can be prevented by:

a. Deforestation
b. Heavy rains
c. Afforestation
d. Over grazing
Answer  Explanation 

ANSWER: Afforestation

Explanation:
No explanation is available for this question!


22)   Which of the following plants is used as windbreak?

a. Delonix
b. Mangifera
c. Eucalyptus
d. Prosopis
Answer  Explanation 

ANSWER: Prosopis

Explanation:
No explanation is available for this question!


23)   "Chipko Movement" is related to:

a. Plant conservation
b. Project tiger
c. Animal breding
d. Operation flood
Answer  Explanation 

ANSWER: Plant conservation

Explanation:
No explanation is available for this question!


24)   In order to maintain proper ecological balance:

a. The existing forests should be cleared and new ones should be planted
b. Some quick growing anuals should be planted if a tree must be cut for other uses
c. Tree must be cut whenever necessary because the underground part performs the useful purpose
d. A tree should be planted in place of one to be cut
Answer  Explanation 

ANSWER: A tree should be planted in place of one to be cut

Explanation:
No explanation is available for this question!


25)   Side effect of heavy and constant grazing is that the:

a. Upper layers of soil are loosened and are eroded
b. Lower layers are made more compact and root respiration is interfered with
c. Lower compact layers make root penetration difficult
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


26)   Soil erosion is prevented by:

a. Afforestion
b. Deforestation
c. Denudation
d. Overgrazing
Answer  Explanation 

ANSWER: Afforestion

Explanation:
No explanation is available for this question!


27)   Constant grazing and browsing in an area may ultimately result in the formation of:

a. Dense forest
b. Grassland
c. Bushy vegetation
d. Desert
Answer  Explanation 

ANSWER: Desert

Explanation:
No explanation is available for this question!


28)   The possible beneficial effect of the grazing animals is:

a. Addition of their excreta to the soil
b. Eradication of weeds
c. Removal of wild plants
d. Removal of wild animals
Answer  Explanation 

ANSWER: Addition of their excreta to the soil

Explanation:
No explanation is available for this question!


29)   When young plants are grazed too heavily they get killed because:

a. The roots are starved
b. Of the mechanical injury to roots
c. Most of the aerial parts are eaten away
d. All of the above
Answer  Explanation 

ANSWER: The roots are starved

Explanation:
No explanation is available for this question!


30)   Soil erosion can be prevented by:

a. Allowing herbivorous animals to graze excessively
b. Growing plants to form a soil cover
c. Making the land slopy
d. Increasing fertility
Answer  Explanation 

ANSWER: Growing plants to form a soil cover

Explanation:
No explanation is available for this question!


31)   The grazing animals can change the type of vegetation by:

a. Bringing in plant pathogens
b. Selective grazing
c. Cross pollination
d. Bringing the seeds of other plants
Answer  Explanation 

ANSWER: Selective grazing

Explanation:
No explanation is available for this question!


32)   The cutting of trees from the forests of hill near a catchment area:

a. Will have no effect on causing floods in plain
b. May cause flood in plains in rainy season
c. Will have no effect on climatic condition of that area
d. Will benefit the mankind for more area for cultivation
Answer  Explanation 

ANSWER: May cause flood in plains in rainy season

Explanation:
No explanation is available for this question!


33)   Grasses possess great regenerative power because they are:

a. Dominat species
b. Rhizomatous
c. Constantly grazed
d. fast growing
Answer  Explanation 

ANSWER: Constantly grazed

Explanation:
No explanation is available for this question!


34)   To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:

a. Ley farming
b. Mulching
c. Basin listing
d. Strip cropping
Answer  Explanation 

ANSWER: Mulching

Explanation:
No explanation is available for this question!


35)   Soil erosion in plains consequent to rain fall is initiated by:

a. Rill erosion
b. Sheet erosion
c. Gully erosion
d. All of these
Answer  Explanation 

ANSWER: Sheet erosion

Explanation:
No explanation is available for this question!


36)   The term riparian erosion is applied to:

a. Gully erosion
b. Slip erosion
c. Wind erosion
d. Stream bank erosion
Answer  Explanation 

ANSWER: Stream bank erosion

Explanation:
No explanation is available for this question!


37)   It occurs under normal conditions:

a. Geological erosion
b. Surface creep
c. Both (a) & (b)
d. Accelerated erosion
Answer  Explanation 

ANSWER: Geological erosion

Explanation:
No explanation is available for this question!


38)   Erosion of very fine particles is seen on account of:

a. Saltation
b. Suspension
c. Surface creep
d. Shifting of dunes
Answer  Explanation 

ANSWER: Saltation

Explanation:
No explanation is available for this question!


39)   If the top soil has been eroded, we retire a land and grow over it:

a. Lichens
b. Blue-green algae
c. Legumes
d. Grasses
Answer  Explanation 

ANSWER: Grasses

Explanation:
No explanation is available for this question!


40)   If the same crop is repeatedly grown in a field:

a. Nitrogen starvation many result
b. Specific mineral deficiency may arise
c. Soil will become prone to diseases
d. Water level in soil will recede
Answer  Explanation 

ANSWER: Specific mineral deficiency may arise

Explanation:
No explanation is available for this question!