Natural Vegetation — Set 3
Geography · प्राकृतिक वनस्पति · Questions 21–30 of 50
Cinchona trees, used to treat malaria, are found in regions receiving rainfall of?
Correct Answer: B. More than 100 cm
Cinchona trees grow in high rainfall areas, usually receiving more than 100 cm of rain. The bark of this tree is the source of quinine, a drug used to treat malaria. It was introduced in India during the colonial period for its medicinal value.
Which state has the largest area under forest cover in India as per total area?
Correct Answer: B. Madhya Pradesh
Madhya Pradesh has the largest area under forest cover in India in terms of square kilometers. It is followed by Arunachal Pradesh and Chhattisgarh. However, in terms of percentage of geographical area, Lakshadweep and Mizoram rank higher.
Rhododendrons are a typical feature of which type of vegetation in India?
Correct Answer: A. Himalayan Montane Forests
Rhododendrons are beautiful flowering plants found in the montane forests of the Himalayas. They grow at varying altitudes and are known for their bright clusters of flowers. These plants are a significant part of the sub-alpine and alpine flora.
The 'Royal Bengal Tiger' is a famous animal found in which forest type?
Correct Answer: D. Mangrove Forests
The Royal Bengal Tiger is most famously associated with the Sundarbans mangrove forests. This unique ecosystem allows the tigers to swim and hunt in saline waters. It is the only mangrove habitat in the world where tigers are found.
Which tree species provides soft wood for the paper industry in India?
Correct Answer: D. Pine
Pine and other coniferous trees provide soft wood which is ideal for the paper and pulp industry. These trees are found in the temperate forests of the Himalayan region. Softwood is also used for making matches and packing boxes.
The term 'Vegetation' refers to?
Correct Answer: D. Plant life of a region
Vegetation refers to the collective plant life of a specific region or habitat. It includes trees, shrubs, grasses, and mosses that grow naturally. It is determined by factors like climate, soil, and topography.
Which of the following forests are found in the deltaic regions of the Kaveri and Krishna rivers?
Correct Answer: D. Mangrove Forests
Mangrove forests are found in the deltas of all major east-flowing rivers like Kaveri, Krishna, and Godavari. These areas provide the silty soil and brackish water necessary for mangrove growth. They protect the coastline from erosion and storm surges.
Silver Fir and Junipers are species of which vegetation zone?
Correct Answer: B. Alpine
Silver Fir and Junipers are common species found in the alpine vegetation of the Himalayas. They grow at high altitudes where the climate is cold and snowy. These species transition into grasslands as the altitude increases further.
Which type of forest is also called the 'Monsoon Forest'?
Correct Answer: D. Tropical Deciduous Forest
Tropical Deciduous forests are called Monsoon forests because they shed their leaves during the dry season. This shedding usually happens for about six to eight weeks in summer. This is an adaptation to conserve water during the dry months.
Arjun and Mulberry trees are associated with which industry?
Correct Answer: D. Sericulture (Silk)
Arjun and Mulberry trees are essential for the sericulture industry as silkworms feed on their leaves. These trees are widely cultivated in states like Karnataka and West Bengal. They are typical species of the deciduous forest zones.