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

Which tree has largest leaves

  1. Raffi palm

  2. Red wood

  3. Neem

  4. all of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Raffia palm (often spelled Raffia) is known for having the largest leaves in the plant kingdom, which can reach lengths of up to 25 meters. Other trees like Redwoods are known for height, not leaf size.

Multiple choice

Name the tallest tree

  1. coast red wood

  2. neem

  3. mango

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

Coast Redwoods (Sequoia sempervirens) are the tallest trees on Earth, reaching heights of over 115 meters. Neem, mango, and peepal are common trees but do not reach these extreme heights.

Multiple choice biology pictorial feature of plant kingdom phanerogams gymnosperms angiosperms

Which of these yields valuable timber?

  1. Acacia arabica

  2. Dalbergia sissoo

  3. Mangifera indica

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

Dalbergia sissoo, known commonly as Indian rosewood, is an evergreen rosewood tree, also known as sisu, sheesham, tahli, Tali and also Irugudujava. It is native to the Indian Subcontinent and Southern Iran. In Persian, it is called as Jag. Shisham is best known internationally as a premier timber species of the rosewood genus, but is also used as fuel wood and for shade and shelter. With its multiple products and tolerance of light frosts and long dry seasons, this species deserves greater consideration for tree farming, reforestation and agro forestry applications. After teak, it is the most important cultivated timber tree of Bihar, which is the largest producer of shisham timber in India.
Acacia arabica (thorn tree), Mangifera indica (mango) and Prosopis (SW) dc are not timber yielding trees. 
Therefore, the correct answer is option B.

Multiple choice

How do squirrels assist in the reproduction of oak trees?

  1. they eat the seeds of surrounding trees

  2. they bury acorns in other areas

  3. they feed acorns to their young

  4. they build nests in oak trees
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Squirrels often cache acorns by burying them in the ground for later consumption. Many of these buried acorns are forgotten and eventually germinate, helping oak trees spread.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

The term 'Taiga' means _______.

  1. tall trees

  2. coniferous trees

  3. unexploited forests

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

The term 'Taiga' is of Russian origin and refers to the subarctic forest dominated by coniferous, needle-leaf evergreen trees. It represents the world's largest land biome, spanning across high northern latitudes of North America and Eurasia.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which one of the following have short life cycle and may form a fairly dense stand after rainfall ?

  1. Perennials

  2. Ephemerals

  3. Succulants

  4. Both 'a' and 'b'
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ephemerals are plants with extremely short life cycles that are adapted to arid environments. They survive as seeds during dry periods and rapidly germinate, grow, flower, and seed immediately following a rainfall event.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Teak, Green heart, Mahogany, Ebony and Logwood are likely to be found in _____________.

  1. tropical hardwood forests

  2. temperate hardwood forest

  3. coniferous forest

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

Teak, mahogany, ebony, greenheart, and logwood are dense, durable tropical hardwood trees. They are native to tropical regions and are highly valued for their timber.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Social forestry is ____________.

  1. growing different types of plants together on private land.

  2. management of forest by cooperative societies.

  3. growing one type of plant in government owned land.

  4. growing and managing useful plants on government owned land.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Social forestry involves the involvement of local communities and cooperative societies in managing, protecting, and planting trees to meet local needs for fuel, fodder, and timber, while also restoring degraded lands.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Dense forests are the forests that have a tree canopy of more than ________.

  1. $40\%$
  2. $60\%$
  3. $50\%$
  4. $70\%$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

According to the Forest Survey of India, dense forests (which include both moderately dense and very dense forests) are defined as lands with a tree canopy density of 40% or more. Open forests have a canopy density between 10% and 40%, while scrublands fall below 10%.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Consider the following statements about Indian forestry 
1) About $40\%$ of the Indian forests are in the inaccessible mountainous regions which impede the speedy transfer of felled trees.
2) Although according to India's forest policy , a high proportion of the land area shall be covered by forest except in some states , the percentage of forest cover is extremely low.
3) Exploitation of forests is less time consuming and less costly , as almost in every forest a single type of tree dominates.
4) The annual productivity of the forests is 3.5 cubic metres per hectare.
Which of the statements given above are correct ?

  1. 1 and 2

  2. 1 , 2 and 3

  3. 3 and 4

  4. 1 , 2 , 3 and 4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement 1 is correct as a significant portion of Indian forests lies in rugged mountainous terrain, making logging difficult. Statement 2 is correct because India's forest cover remains well below the National Forest Policy target of 33%. Statement 3 is incorrect because tropical forests in India are highly diverse rather than homogeneous, and Statement 4 is incorrect as the actual productivity is much lower than 3.5 cubic meters per hectare.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Spruce and cedar are tree varieties of ____________.

  1. equatorial forest

  2. temperature forest

  3. monsoon forest

  4. temperature deciduous forest
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Spruce and cedar are coniferous evergreen trees characteristic of temperate montane or coniferous forests (such as those in the Himalayas). They are not deciduous, making the general temperate forest category the correct choice.