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

In a B+ tree,

  1. all keys are stored at the leaves

  2. all records are stored at the leaves

  3. all records are stored in the interior nodes

  4. both keys and records are stored in the interior nodes

  5. both keys and records are stored at the leaves
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

B+ tree is a type of tree which represents sorted data for efficient insertion, retrieval and removal of records. It stores all records at leaf level and all keys at interior nodes.

Multiple choice

Which of the following is an ecological value of forests?

  1. Forests provide us fuelwood for domestic and industrial uses.

  2. Forests supply raw materials for manufacture of paper, plywood, cardboards, etc.

  3. Forests provide food items in the form of roots, tubers, leaves, fruits, spices, etc.

  4. Forests help in increasing the soil fertility by promoting humus formation.

  5. Medicines like quinine and camphor and products like resins, turpentine, gum, and dyes are obtained from forest trees.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Increase in soil fertility by promoting humus formation is an ecological importance of forests.

Multiple choice

Which of the following statements is incorrect about trees?

  1. Trees are tall and strong.

  2. Trees are of different shapes and sizes.

  3. All the trees have a thick trunk.

  4. Trees are considered as annual plants.

  5. Most of the trees provide us wood for timber.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Trees live for a long time, they are called perennial plants.

Multiple choice botany taxonomic aids taxonomy and systematic botany indian botanical gardens and herbarium importance of herbarium botanical gardens in india

Arboretum is

  1. A forest patch

  2. A piece of social forestry

  3. Botanical garden with trees

  4. Botanical garden with cacti and herbs
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • An arboretum is a botanical garden with trees. 
  • Commonly a modern arboretum is a botanical garden containing living collections of woody plants and is intended for scientific study.
  • So, the correct answer is 'Botanical garden with trees'
Multiple choice writing a paragraph writing english

Select a suitable topic sentence for the paragraph below:

For instance, people like the Eskimos, who live in places that have few trees, build temporary homes out of ice blocks. People who live in deserts, however, build houses out of mud or clay, which provide good insulation from heat and are readily available in their surroundings. In places where forests are plentiful, such as Northern Europe and Russia, homes are made out of wood. In the South Pacific, where there are many bamboo and palm trees, people use the tough, fibers of these plants to build their houses.

  1. People usually build homes out of things that they find around them.

  2. House construction in various parts of the world depends mainly on the availability of building materials.

  3. The climatic conditions in an area determine the kind of homes people build.

  4. The availability of trees is an important factor in the building of homes.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The correct topic sentence is Option C. A topic sentence states the point about topic the writer wishes to make about the subject. Here, the two main points are types of houses in the different parts of the world and the building materials of these houses. Option A is incorrect as the sentence is too general and is talking about 'building houses by people'. Option C is incorrect as this sentence specifies the climatic conditions directly. Option D is incorrect as it does not adhere to the essence of the paragraph.

Multiple choice

What trees are on Kashyyk?

  1. retina tree

  2. Wroshyr tree

  3. pine trees

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

The massive, towering trees found on the Wookiee homeworld of Kashyyyk are known as Wroshyr trees.