Biology · Environmental Studies

Forestry and Plant Sciences

1,005 Questions

Review important biological concepts with these questions on forestry and plant sciences. The topics include non-timber forest products, timber wood types, lichen growth, and tree structures. This content is ideal for students preparing for agriculture and biology exams.

Industrial wood productionLichen growth patternsNon-timber forest productsPapilionaceous timber woodsTree crown typesFast growing trees

Forestry and Plant Sciences Questions

Multiple choice

Cutting of trees in a forest is called _________.

  1. reforestation

  2. deforestation

  3. afforestation

  4. cultivation

  5. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Deforestation clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms, ranches or urban use.

Multiple choice

Which of these is a technique used for renewing forests?

  1. Fire trail

  2. Fuel ladder

  3. Firebreak

  4. Controlled burning

  5. Biochar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Controlled or prescribed burning, also known as hazard reduction burning (HRB) or swailing, is a technique sometimes used in forest management, farming, prairie restoration or greenhouse gas abatement. Controlled burning stimulates the germination of some desirable forest trees, thus renewing the forest.

Multiple choice

Which of the following trees is known as “Axe-breaker”?

  1. Yerba Mate

  2. Quebaracho

  3. Wattle tree

  4. Parana pine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Quebaracho is known as 'Axe-breaker'. Quebracho is a common name in Spanish to describe very hard wood tree species. The etymology of the name derived from quiebrahacha meaning axe-breaker.

Multiple choice

The plants become woody due to

  1. calcification

  2. impregnation

  3. lignification

  4. fossilization

  5. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The plants become woody due to lignification.

Multiple choice

Which tree purify the air?

  1. Kikkar tree

  2. Neem tree

  3. Banyan tree

  4. Deodar tree
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Neem trees are renowned for their air-purifying properties. They absorb various pollutants including carbon dioxide, sulfur dioxide, and nitrogen oxides from the air. Neem also releases abundant oxygen and has natural antimicrobial properties, making it exceptionally effective at improving air quality.

Multiple choice

Wood pulp comes from

  1. coniferous forest region

  2. equatorial region

  3. temperate region

  4. tropical region
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Wood pulp for paper production primarily comes from coniferous (softwood) forest regions. Coniferous trees such as pine, spruce, and fir are preferred because their long fibers produce stronger paper, and these forests are more abundant in colder northern regions.

Multiple choice

Timber can be obtained from

  1. Solanaceae

  2. Liliaceae

  3. Cruciferae

  4. Leguminosae

  5. Salicaceae
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Timber can be obtained from Leguminosae . It is a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae.

Multiple choice

Forests were considered unproductive in the early nineteenth century by the colonial state. Which of the following was the reason?

  1. Forests were unable to supply the raw materials for industrial production.

  2. Forests were not fit for inhibition.

  3. Forests did not yield revenue to enhance the income of the state.

  4. Forests had an overgrowth of wild trees in an unplanned manner.

  5. Forests were full of wild animals.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option. As forests did not yield revenue to enhance the income of the state, they were considered unproductive in the early nineteenth century by the colonial state.

Multiple choice

After the amendment of the Forest Act in 1878, for house building or fuel, villagers could take wood from which of the following forests?

a. Reserved forests b. Protected forests c. Village forests

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. After the amendment of the Forest Act in 1878, for house building or fuel, villagers could take wood from protected and village forests.

Multiple choice

Which of the following decisions was taken by the Forest Act, 1878?

  1. Forests were to be cleared of all wild trees.

  2. In forests, only one type of trees were to be planted.

  3. Forests were to be cleared for using land in agriculture.

  4. Forests were to be divided into three categories.

  5. In forests, trees were to be planted in straight rows.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Under the Forest Act, 1878, forests were to be divided into three categories - protected, reserved and village.