Biology ยท Environmental Studies

Forestry and Plant Sciences

985 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
  1. Topmost layer

  2. Understorey

  3. Bottom layer

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

In the vertical structure of a forest, herbs and grasses occupy the lowest level, known as the forest floor or bottom layer.

Multiple choice
  1. Gum

  2. Plywood

  3. Sealing wax

  4. Kerosene

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

Gum, plywood, and sealing wax are all derived from trees or forest resources, whereas kerosene is a fossil fuel extracted from the earth.

Multiple choice
  1. Green lungs

  2. living organisms

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

Forests are often called the green lungs of the Earth because they exchange gases, absorbing carbon dioxide and releasing oxygen.

Multiple choice
  1. forest floor

  2. Canopy

  3. Under storey

  4. herb layer

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

The canopy is the upper layer of the forest formed by the mature tree crowns, which acts as the topmost layer of the forest ecosystem.

Multiple choice
  1. 1.5 billion trees.

  2. 500 billion trees.

  3. 1 trillion trees.

  4. 2 trillion trees.

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

Based on current environmental statistics, the annual consumption of trees for paper and wood products in the U.S. is estimated to be in the range of 2 trillion trees globally when considering total human consumption.

Multiple choice
  1. Himalayan Oak and Rhododendron

  2. Teak and Sal

  3. Babul and Mexican kikar

  4. None of the above

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

In the Himalayas, the natural forests of Oak and Rhododendron were cleared to make way for Chir Pine plantations, which were commercially valuable but ecologically less diverse.

Multiple choice
  1. Removing all trees from an area of land

  2. Cutting and removing only middle aged or mature trees

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

Selective cutting involves harvesting specific trees, such as mature or diseased ones, while leaving younger trees to continue growing and maintaining the forest structure.

Multiple choice
  1. Virgin Forest

  2. Native Forest

  3. Tree Farm

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

A virgin forest, or primary forest, is one that has remained undisturbed by human activity, specifically logging. Other terms like tree farm refer to managed, replanted forests.