1. The trees of spruce, fir, pine, etc. are found in which of the following natural regions of the earth?
(a) Laurentian type
(b) Alpine type
(c) Taiga type
(d) Siberian type
2. The tropical deciduous trees shed their leaves in summer
(a) Leaves get dried up due to the excessive heat
(b) To prevent excessive loss of water through transpiration
(c) Because rainfall is inadequate
(d) Days are longer
3. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because [UPSC CSE 2011]
(a) the soil of rain forest is deficient in nutrients
(b) propagules of the trees in a rain forest have poor viability
(c) the rain forest species are slow-growing
(d) exotic species invade the fertile soil of rain forest
4. “Leaf litter decomposes faster than in any other biome and as a result the soil surface is often almost bare. Apart from trees, the vegetation is largely composed of plant forms that reach up into the canopy vicariously, by climbing the trees or growing as epiphytes, rooted on the upper branches of trees.” This is the most likely description of [UPSC CSE 2021]
(a) Coniferous forest
(b) Dry deciduous forest
(c) Mangrove forest
(d) Tropical rain forest
5. The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions? [UPSC CSE 2021]
1. Burrowing animals and termites
2. Fire
3. Grazing herbivores
4. Seasonal rainfall
5. Soil properties
Select the correct answer using the code given below.
(a) 1 and 2
(b) 4 and 5
(c) 2, 3 and 4
(d) 1, 3 and 5
6. Consider the following States: [UPSC CSE 2019]
1. Chhattisgarh
2. Madhya Pradesh
3. Maharashtra
4. Odisha
With reference to the States mentioned above, in terms of percentage of forest cover to the total area of State, which one of the following is the correct ascending order?
(a) 2-3-1-4
(b) 2-3-4-1
(c) 3-2-4-1
(d) 3-2-1-4
7. “Each day is more or less the same, the morning is clear and bright with a sea breeze; as the Sun climbs high in the sky, heat mounts up, dark clouds form, then rain comes with thunder and lightning. But rain is soon over.” Which of the following regions is described in the above passage? [UPSC CSE 2015]
(a) Savannah
(b) Equatorial
(c) Monsoon
(d) Mediterranean
8. In India, in which one of the following types of forests is teak a dominant tree species? [UPSC CSE 2015]
(a) Tropical moist deciduous forest
(b) Tropical rain forest
(c) Tropical thorn scrub forest
(d) Temperate forest with grasslands
9. Consider the following States: [UPSC CSE 2015]
1. Arunachal Pradesh
2. Himachal Pradesh
3. Mizoram
In which of the above States do ‘Tropical Wet Evergreen Forests’ occur? [UPSC CSE 2015]
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
10. In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique ‘living root bridges’ are found in [UPSC CSE 2015]
(a) Meghalaya
(b) Himachal Pradesh
(c) Jharkhand
(d) Tamil Nadu
11. Which one of the following regions of Indian has a combination of mangrove forest, evergreen forest and deciduous forest? [UPSC CSE 2015]
(a) North Coastal Andhra Pradesh
(b) South-West Bengal
(c) Southern Saurashtra
(d) Andaman and Nicobar Islands
12. Consider the following pairs : [UPSC CSE 2014]
Region – Well-known for the production of
1. Kinnaur – Areca nut
2. Mewat – Mango
3. Coromandel – Soya bean
Which of the above pairs is/are correctly matched?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
13. With reference to Neem tree, consider the following statements: [UPSC CSE 2014]
1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
3. Neem oil has applications in pharmaceutical industry.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
14. In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Which one of the following statements is correct in this context? [UPSC CSE 2014]
(a) The oil extracted from seeds is used in the manufacture of biodegradable plastics
(b) The gum made from its seeds is used in the extraction of shale gas
(c) The leaf extract of this plant has the properties of anti-histamines
(d) It is a source of high quality biodiesel
15. If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there? [UPSC CSE 2014]
1. Oak
2. Rhododendron
3. Sandalwood
Select the correct answer using the code given below
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
16. “Climate is extreme, rainfall is scanty and the people used to be nomadic herders.” The above statement best describes which of the following regions? [UPSC CSE 2013]
(a) African Savannah
(b) Central Asian Steppe
(c) North American Prairie
(d) Siberian Tundra
17. Which of the following is/are unique characteristic/characteristics of equatorial forests? [UPSC CSE 2013]
1. Presence of tall, closely set trees with crowns forming a continuous canopy
2. Coexistence of a large number of species
3. Presence of numerous varieties of epiphytes
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
18. The Wallace’s Line distinguishes or separates the flora and fauna between ? [UPSC CAPF 2013]
(a) Canada and DSA
(b) Taiga region and Tundra region
(c) Mexico and Central America
(d) South-East Asia and Australasia
19. Which one of the following wood is used in making cricket bats? [UPSC CAPF 2015]
(a) Morus alba
(b) Linum usttatissimurn
(c) Salix purpurea
(d) Cedrus deodara
20. The trees of tropical rainforest have buttress roots because ? [UPSC CAPF 2015]
(a) they help to provide aeration to soils
(b) the organisms found in the buttresses have a symbiotic relationship
(c) the trees belong to gramineae family
(d) the buttresses have to bear the mechanical load of hardwoods
21. Which of the following statements are appropriate to Mangrove Sites?
1. Mangrove plants require appropriate mix of saline water and freshwater.
2. Mangrove plants require mudflats to enable it to grow and develop.
3. Mangrove plants are found in the inter-tidal zones of sheltered coasts.
4. Mangrove vegetation has been reported in all the coastal States including Andaman and Nicobar Islands.
Select the correct answer using the code given below. [UPSC CAPF 2018]
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
22. Which one of the following does NOT fall in the areas of tropical deciduous forest biomes ? [UPSC CAPF 2019]
(a) The Neotropics mainly West Indies
(b) Indo-Malaysian zone mainly in south and south-east Asia except Equatorial evergreen rainforest areas
(c) Eastern Africa and northern Australia
(d) North America mainly South-west America
23. Which one of the following Forest Acts divided forests of India into reserved, protected and village forests ? [UPSC CAPF 2019]
(a) Forest Act 1864
(b) Forest Act 1865
(c) Forest Act 1866
(d) Forest Act 1878
24. Which one of the following states of India has the largest area under dense evergreen forest cover ? [UPSC CAPF 2019]
(a) Himachal Pradesh
(b) Arunachal Pradesh
(c) Karnataka
(d) Uttarakhand
25. Which one of the following statements is NOT correct ? [UPSC CAPF 2020]
(a) Mahogany is a timber species of Tropical Rainforest
(b) Chaparral vegetation is found in Taiga climate
(c) Lichens are predominantly found in Tundra region
(d) Sal is a representative species of Moist Deciduous Forest
26. Which of the following statements about tropical rain forests are correct?
1. The soils of tropical rain forests are quite infertile.
2. The vegetation is evergreen, enabling photosynthesis to take place year around.
3. They have been described as deserts covered by trees.
4. They are most productive land based ecosystem.
Select the correct answer using the code given below. [UPSC CAPF 2021]
(a) 2 and 4 only
(b) 1, 3 and 4 only
(c) 1, 2 and 3 only
(d) 1, 2, 3 and 4
27. Which one of the following does NOT illustrate the importance of the Coral Reef ? [UPSC CAPF 2020]
(a) They provide employment to the people
(b) They supply building materials
(c) They protect shoreline from storms
(d) They protect communities from earthquakes
