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 technology mainframe

What is a Root?

  1. Top of the Hierarchy

  2. Bottom of the Hierarchy

  3. Both

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In hierarchical database models like IMS, the root segment is at the top of the hierarchy and has no parent. All other segments descend from the root, making it the foundation of the hierarchical tree structure.

Multiple choice

Which of the following statements is/are false?

a. The shaded forest floor provides habitat for the growth of mosses and lichens. b. The branchy part of a tree above the stem is known as the canopy of trees. c. The horizontal layers present at different heights below the canopy are known as under-storeys.

  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
C Correct answer
Explanation

This is the correct option as this statement is false. The branchy part of a tree above the stem is known as the crown of the tree.

Multiple choice

Which of the following statements is/are false about the trees in a dense forest?

a. Tall trees like cedars form a canopy. b. Herbs form the lowest layer of the under-storey. c. If forests disappear, the amount of hydrogen in the air will increase, resulting in global warming.

  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
E Correct answer
Explanation

This is the correct option as this statement is false. If forests disappear, the amount of carbon dioxide in air will increase, resulting in global warming.

Multiple choice

It was found that a mass of the living roots of the old strong elm near had twined about and entered the structure through the apertures.

  1. the living roots of the old strong elm near

  2. the living roots of an old strong elm near

  3. living roots of old strong elm nearby

  4. the living roots of the old and strong elm near

  5. the living roots of an old strong elm near by
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The sentence bears errors of indefinite article ('the old strong elm' should be 'an old elm' because 'the' is used before a specific thing) and error of adjective ('near' should be 'near by'). This option corrects the twin errors of indefinite article and the adjective of location 'near by'.

Multiple choice

Directions: Select the option that expresses the central idea in the most clear, concise and correct manner.

  1. A tree provides us so much - food, shade, wood and oxygen - and expects nothing in return.

  2. A tree provides us too much - food, shade, wood and oxygen - and expects nothing in return.

  3. A tree provides us as much - food, shade, wood and oxygen - and expects nothing in return.

  4. A tree provides us with as much - food, shade, wood and oxygen - and expects nothing in return.

  5. A tree provides us with so much more - food, shade, wood and oxygen - and expects nothing in return.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 The correct phrase is 'provides us so much', not 'too much' or 'as much' or 'much more'.

Multiple choice

The trees from genus Olea, some of them over thousand of years old, are among the longest living trees in the world, just as trees of Taxus genus are, yet they are so under-researched that science has not been able to find the reasons for their longevity.

  1. The trees from genus Olea, some of them over thousand of years old, are among the longest living trees in the world just as trees of Taxus genus are, yet they

  2. The trees from genus Olea, some of them over thousands of years old, are among the longest living trees in the world, just as the trees of genus Taxus are, but they

  3. Like the trees from genus Taxus, the trees from genus Olea are among the longest living trees in the world, some of them over a thousand years old, but they

  4. Although, like the trees of genus Taxus, the trees of genus Olea are some of the longest living trees, some of them over thousands of years old, yet

  5. The trees of the genus Taxus and Olea are among the longest living trees, some of them over thousands of years old, yet they
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Correct. The option places the absolute phrase, 'Some of them over thousands of years old' at the end of the clause it modifies. When two nouns are compared, we use 'like' to compare them.

Multiple choice

Directions: Without changing the meaning of the below given sentence, transform the degree of comparison from comparative to positive.

The pine tree has more uses than any other tree.

  1. No other tree is more useful than the pine tree.

  2. The pine tree has a lot more uses of all trees.

  3. No other tree has as many uses as the pine tree.

  4. The pine tree has the most uses of all other trees.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sentence is made into a positive sentence by using the 'as...as' phrase. So, option 3 is the correct answer.

Multiple choice

To which class does bamboo belong

  1. herd

  2. grass

  3. Shrub

  4. tree

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

Bamboo belongs to the grass family (Poaceae). Despite its tall, tree-like appearance and woody stem, it is botanically a grass. It is one of the fastest-growing plants in the world and has hollow stems.

Multiple choice

Some perennials like the pine, guava, never shed their leaves and have a lush look throughout the year. Such trees are named as _______.

  1. evergreen trees

  2. deciduous trees

  3. tropical trees

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

Evergreen trees retain their leaves throughout the year and maintain foliage in all seasons, unlike deciduous trees which shed leaves annually. Pine and guava are classic examples that stay green regardless of season.