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 social studies natural vegetation and communities dependent on forest land degradation wildlife resources human activities and environmental degradation

Which plant is associated with the social forestry programmes in India?

  1. Teak

  2. Neem

  3. Eucalyptus

  4. Banyan
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Eucalyptus,
Eucalyptus is a tall evergreen tree. It attains the height of more than 300 feet. Leaves of the tree on juvenile shoots are opposite, sessile, cordate-ovate, and covered with a bluish-white bloom. The adult leaves are alternate, lanceolate and are 6-12 inches long and 1-2 inches broad. In eucalyptus-tree flowers is cream in color. The appearance of its bark varies with the age of the tree. Its bark consists of long fibers and can be pulled off in long pieces. Stems of the seedlings and coppice shoots are quadrangular. Flowers are in cymose panicles. The fruit is a capsule. 

Multiple choice zoology meaning of life level of biological organization in animals introduction to tissues basics of ecology

Which is social foresting species?

  1. Leucaena leucocephala

  2. Tectona grandis

  3. Mangifera indica

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

The social foresting species is:

Correct option is A  Leucaena leucocephala.
The common name of the  Leucaena leucocephala is Sebabul. This is the leguminous plant and it is fast growing . This plant is grown for social forestry.

Multiple choice

What is a deciduous plant?

  1. A plant that bears fruit

  2. A plant that bears cones all year round

  3. A plant that keeps its leaves all year round

  4. A plant that loses its leaves each year
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deciduous plants are those that shed their leaves annually, typically in the autumn. This is a survival strategy to conserve water and energy during colder or drier seasons.

Multiple choice

How can you tell the age of most trees?

  1. By counting the rings on the trunk

  2. By measuring the tree's height

  3. By measuring the tree's width

  4. By counting the number of leaves a tree has
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dendrochronology is the study of tree rings. Each ring typically represents one year of growth, allowing one to estimate the age of most trees.

Multiple choice botany transport in plants osmotic relations of plant cells transport across membrane imbibition and its importance

The practice of breaking of rocks during rainy season by inserting wooden pegs in them is based on the phenomenon of ______________.

  1. Imbibition pressure

  2. Turgor pressure

  3. Osmotic pressure

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

Imbibition pressure generated during germination of seeds and spores is so enormous that it can break asphalt roads and concrete pavements. In older times, the imbibition pressure was used in breaking the rocks and stones. Dry wooden stakes, if driven into a small crack in a rock and then soaked, can develop enough pressure to split the rock.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Two important papilionaceous timber woods are

  1. <p>Dalbergia sisso and Albizzia lebbek</p>

  2. <p>Butea monosperma and Xylia xylocarpa</p>

  3. <p>Dalbergia sisso and Intisia hookeri</p>

  4. <p>Dalbergia sisso and Pterocarpus marsupium</p>
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  • Butea monosperma, commonly known as flame of the forest and bastard teek is native to tropical and subtropical parts of the Indian subcontinent and Southeast Asia. It is used for timber, resin, fodder, medicine and dye.

  • Xylia xylocarpa is a perennial tree belonging to family Fabaceae. It produces timber, medicine and the seeds are edible.

  • So, the correct answer is 'Butea monosperma and Xylia xylocarpa'.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Lightest wood is

  1. Hardwichia albino

  2. Ochromoa lagopus balsa

  3. Cereus giganteus

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

Ochromoa is the genus of flowering plants and is commonly called balsa tree. Balsa wood is the lightweight material. These  trees are found in Brazil, Mexico and northern Bolivia.

Hence the answer is B.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Indian rose wood tree is common name of

  1. Acacia

  2. Shorea

  3. Dalbergia

  4. Eucalyptus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
The answer is C - Dalbergia
North Indian rose wood tree is the common name of Dalbergia sissoo. It is hardy, deciduous and fast-growing tree found in the Indian subcontinent and in Southern Iran. It has white or pinkish flowers.  It is used in the timber industry, as fuel wood and as in some the extracts as used as a pesticide.