Forest Management

Question

Answer

Which of these is not a consumptive value?

education

Which of these is not a forest type found in India?

Mediterranean dry

“Plant community, predominantly comprised of trees and other woody vegetation, usually with a closed canopy" is

ecological definition of forests

According to the Supreme Court, the word forest must be understood according to its

dictionary meaning

Which of these is not a use value?

existence value

According to the Supreme Court, the term forest land includes

any area recorded as forest in the Government record irrespective of ownership

Tropical moist forests do not include

broadleaved forests

The value of leaving use and non-use values for offspring’s or future generations is called

bequest value

The term 'forest' originates from

Latin foris meaning outside

The value derived from the knowledge of use of resources by others in the current generation is called

altruistic value

Lithosere is an example of

xerosere

Which of these depicts correctly the lithosere primary succession?

Rock → Crustose lichen → Foliose lichen → Moss → Herbaceous stage → Shrub → Woodland → Climax

At compensation point,

photosynthesis = respiration

The study of life history / general features of forest crops with respect to environmental factors is called

silvics

A climax caused by wildfires is an example of

disclimax

Net primary productivity is given by

APAR X LUE

Practical application of scientific, technical and economic principles of forestry comes under which branch of forestry?

forest management

In the context of plant nutrition, boron is

micronutrient

Which of these is not a characteristic of pioneer species

large size

The climax near Tindni village is being controlled by disturbance by cattle. This is an example of

disclimax

Mechanical action of ocean waves is an example of

physical weathering

Khadar is a type of

alluvial soil

In soil profile, C refers to

substratum layer

Regur is a term for

black cotton soil

Bangar is a type of

alluvial soil

Soil formation is dependent upon

all of the above

Thermal stresses lead to

physical weathering

Carbonation is an example of

chemical weathering

Cryofracturing is an example of

physical weathering

Hydrolysis is an example of

chemical weathering

For absolute form factor, the reference for the base of the cylinder is

base of the tree

For normal form factor, the reference for the base of the cylinder is

breast height

In India, the breast height is considered to be

1.37 m

Measurement of height based on similar triangles comes under:

indirect measurement

For a tree with dbh = 45.6 cm, height = 27 m and total stem volume of 1.78 cum, the artificial form factor for the tree is:

0.3

Consider a stand of eucalyptus trees that are on average 30 cm in diameter and spaced on a regular 3 m grid. Find the spacing factor.

10

Diameter over bark (dob), diameter under bark (dub) and bark thickness (tb) are related as:

dob=dub+2×tb

For false form factor, the reference for the base of the cylinder is

10% of tree height

Choose the correct statement:

For a non-circular cross-section, girth tape over-estimates the sectional area.

A tree has dbh of 25 cm. Find its basal area in sq m.

0.049

This sampling employs a simple rule of selecting every kth unit starting with a number chosen at random from 1 to k as the random start.

Systematic sampling

IMU stands for

Inertial measurement unit

___ is how close the measured values are to the correct value.

Accuracy

A list of sampling units is called a

frame

The time of flight for LiDAR is 0.00001 sec. Find the distance of the object from the instrument.

1500 m

Which of these is correct?

Geodetic surveying takes into account the true shape of the Earth and is used for larger areas (> 250 sq km)

A sampling procedure such that each possible combination of sampling units out of the population has the same chance of being selected is referred to as

Simple random sampling

The frequency of flyovers is an indicator of

temporal resolution

___ is how close the measured values are to each other.

Precision

Bathymetric LiDAR uses

green light

Invasive climbers increase the probability of which of these fire types?

ladder fire

Which of these forms the fire triangle?

fuel, oxygen, heat

A scientist uses a trap to capture a monkey. In the context of Wildlife Protection Act 1972,

the trap is a weapon and capturing is hunting.

In the formula I = PXAXT, P refers to

population pressure

In the formula I = PXAXT, T refers to

technology

Which of these is a stochastic factor?

forest fire

The acronym HIPPO does not include

habitat enhancement

A veterinarian uses an immobilising gun to capture a deer. In the context of Wildlife Protection Act 1972,

the immobilising gun is a weapon and capturing is hunting.

Which of these is a deterministic factor?

death rate

The acronym HIPPO does not include

pollination

Taungya regeneration is

artificial regeneration with villagers

Which of these is not advantage of clear felling system

Increases soil erosion and landslides in hilly areas

Which of these is the correct sequence of a silvicultural system?

Harvesting -> Regeneration -> Stand tending

Ring weeding is primarily a feature of

artificial regeneration by planting seedlings

Tending is done during

any stage of life

The movement of seeds away from their place of seed production into a new area is called

dispersal

Average age at which a tree is considered mature for felling is called as

rotation age

A site was clear-cut. Which of these methods of regeneration cannot be used in a short time-frame?

natural regeneration

Which of these is not a feature of natural regeneration

good control over genetic improvement

Which of these is not a feature of natural regeneration

high requirement of heavy machinery and labour

Shelterwood system results in

even aged stand with natural aesthetics

In group shelterwood system, the regeneration area is increased

centrifugally around gaps

Trees not putting increment are removed during

preparatory felling

Clear felling system is not used for

shade bearer species

For a crop with rotation age of 120 years, PB-III would have crop age

60-90 years

Felling made with the object of opening the canopy to remove shelter and allow more light for the regenerated crop is

seeding felling

Close to nature forestry is a feature of

selection system

Inverse-J shaped number-diameter curves are seen in

selection system

Which of these is the correct sequence for shelterwood system?

Preparatory felling -> Seeding felling -> Secondary felling -> Final felling

Catchment areas are best suited for

group shelterwood system

Trees to be retained are shown in ___ marking colour

white

Trees on boundary are shown in ___ marking colour

red

Cutting of timber into logs is known as

bucking

Careful selection of trees for harvesting based on a forest management prescription is known as

marking

Net growth in initial volume is given by

V2-V1+H-I

Research plots are shown in ___ marking colour

yellow

Which of these gives the greatest accuracy in constructing face cuts

open face

Which of these gives the greatest saving of lumber

humboldt face

Moving of logs from forest to landing area is known as

skidding

Surveying timberlands to locate and estimate the volumes and grades of standing timber meeting requirements is known as

cruising

Wet and dry treatment of seeds is used for which species

teak

Which of these is not a laboratory method to determine best days for seed collection?

chemical analysis of fat and nitrogen content

Which of these characterises a refractory site

soil depth < 10 cm

Which of these prevents water logging

raised bed

Number of seeds in sample that germinate upto the peak germination period expressed as % is a definition of

germination energy