Biology · 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 evs - i the environment and us pollution of soil degradation of land damaging the forests

Plantation of sapling on a large scale is celebrated as

  1. Forestation day

  2. Vanamahotsava

  3. Deforestation day

  4. Plantation day
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Van Mahotsav is celebrated for 1 week every year where millions of people plant trees in order to restore the forests and plantation that has been constantly destroyed. 

In 2019, it was celebrated from 1st to 7th July.
So, option B is the correct answer.

Multiple choice zoology evolution of life darwin's theory of evolution process of evolution lamarckism

Lamarck noted that the leaves of beech tree present on the sunny side had two layers of palisade cells, whereas leaves that were present in the shade had only one layer. He attributed this to

  1. Environment reactions

  2. Change of habits

  3. Use and disuse

  4. Inheritance of acquired character
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lamarck's theory of evolution is primarily based on the principle of use and disuse of organs, which he believed led to structural changes that were then inherited.

Multiple choice social studies wild life wildlife and their conservation wildlife resources wildlife conservation approaches and projects

Into how many categories forests are classified according to their density?

  1. 2

  2. 3

  3. 4

  4. 5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Forest density classification

  • Very Dense Forest All lands with tree canopy density of 70% and above.
  • Moderately Dense Forest All lands with tree canopy density of 40% and more but less than 70%.
  • Open Forest All lands with tree canopy density of 10% and more but less than 40%.
Multiple choice classification of pteridophytes kingdom plantae plant kingdom biology

Which one of the following is not a correct statement ?

  1. Herbarium houses dried, pressed and preserved plant specimens

  2. Botanical gardens have collection of living plants for reference

  3. A museum has collection of photographs of plants and animals

  4. Key is a taxonomic aid for identification of specimens
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Museum is the collection of dead and preserved specimen of animals generally.
So, the correct answer is 'A museum has collection of photographs of plants and animals'
Multiple choice evs flowers and fruits phanerogams gymnosperms pictorial feature of plant kingdom

Gymnosperms do not include _____________.

  1. herbs

  2. shrubs

  3. trees

  4. both (a) and (b)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Living gymnosperms are predominantly middle sized trees (Cycas) to tall trees (Pinus) and shrubs (Ephedra). Rarely they are woody climbers (Gnetum montanum). There are no herbs in gymnosperms.

So the correct option is A.

Multiple choice evs flowers and fruits phanerogams gymnosperms pictorial feature of plant kingdom

Which of the following is a character of gymnospermous wood?

  1. Porous

  2. Diffused porous

  3. Ring porous

  4. Non-porous
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This appears to be a duplicate of question 496472 with the same options reordered. Gymnosperm wood lacks vessels and is non-porous, while porous woods are characteristics of angiosperms.