Choose the correct option:
Question 1.
To which one of the following types of vegetation does rubber belong to?
(a) Tundra
(b) Tidal
(c) Himalayan
(d) Tropical Evergreen
Answer
Answer: (d) Tropical Evergreen
Question 2.
Cinchona trees are found in the areas of rainfall more than
(a) 100 cm
(b) 50 cm
(c) 70 cm
(d) less than 50 cm
Answer
Answer: (a) 100 cm
Question 3.
In which of the following state is the Simlipal bio-reserve located?
(a) Punjab
(b) Delhi
(c) Odisha
(d) West Bengal
Answer
Answer: (c) Odisha
Question 4.
Which one of the following bio-reserves of India is not included in the world network of bio-reserve?
(a) Manas
(b) Nilgiri
(c) Gulf of Mannar
(d) Nanda Devi
Answer
Answer: (a) Manas
Question 5.
The yak, shaggy-horned wild ox and the Tibetan antelope are found in which one of the following regions?
(a) Tibet
(b) Uttarakhand
(c) Himachal Pradesh
(d) Ladakh
Answer
Answer: (d) Ladakh
Explanation:
Ladakh’s freezing high altitudes are a home to yak, the shaggy horned wild ox weighing around one tonne, the Tibetan antelope, the bharal (blue sheep), wild sheep, and the kiang
Question 6.
Which term is used to denote animal species of a particular region or period?
(a) Fauna
(b) Ferns
(c) Flora
(d) None of these
Answer
Answer: (a) Fauna
Explanation:
The term flora is used to denote plants of a particular region or period. Similarly, the species of animals are referred to as fauna.
Question 7.
Which term is used for virgin vegetation, which have come from outside India are termed as exotic plants.
(a) Indigenous plants
(b) Endemic species
(c) Exotic Plants
(d) None of these
Answer
Answer: (c) Exotic Plants
Explanation:
The virgin vegetation, which are purely Indian are known as endemic or indigenous species but those which have come from outside India are termed as exotic plants.
Question 8.
Which term is used for the original plant cover of an area which has grown naturally?
(a) Garden
(b) Agriculture
(c) Virgin Vegetation
(d) Indigenous species
Answer
Answer: (c) Virgin Vegetation
Explanation:
Natural vegetation refers to a plant community which has grown naturally without human aid and has been left undisturbed by humans for a long time. This is termed as a virgin vegetation.
Question 9.
Which is not included in the group of non-flowering plants?
(a) Orchids
(b) Algae
(c) Fungi
(d) None of these
Answer
Answer: (a) Orchids
Explanation:
Orchids are not included in the group of non-flowering plants cultivated crops and fruits, orchards form part of vegetation but not natural vegetation.
Question 10.
How do forests influences the climate of a place?
(a) Modify local climate
(b) Control wind force and temperature
(c) Cause rainfall
(d) All the above
Answer
Answer: (d) All the above
Explanation:
Forests influence the climate of a place. It controls wind force and temperature and causes rainfall. It provides humus to the soil and shelter to the wild life.
Question 11.
Which type of vegetation zone is found in the higher reaches of the Himalayas?
(a) Tropical
(b) Alpine
(c) Temperate
(d) None of these
Answer
Answer: (b) Alpine
Explanation:
Alpine is the types of vegetation zones are found in the higher reaches of the Himalayas with mean annual average temperature below 7°C.
Question 12.
Which type of vegetation grows in the sandy soil of the desert?
(a) Coniferous trees
(b) Grasslands
(c) Cactus and thorny bushes
(d) None of these
Answer
Answer: (c) Cactus and thorny bushes
Explanation:
The sandy soils of the desert support cactus and thorny bushes while wet, marshy, deltaic soils support mangroves and deltaic vegetation.
Question 13.
The character and extent of vegetation are mainly determined by which of the climatic factor?
(a) Temperature
(b) Humidity
(c) Precipitation
(d) All the above
Answer
Answer: (d) All the above
Explanation:
The character and extent of vegetation are mainly determined by temperature, humidity and precipitation. Extent of vegetation is mainly determined by temperature along with humidity in the air, precipitation and soil.
Question 14.
Which type of vegetation usually develops on undulating and rough terrains?
(a) Mangroves
(b) Grasslands and woodlands
(c) Cactus and thorny bushed
(d) None of these
Answer
Answer: (b) Grasslands and woodlands
Explanation:
The undulating and rough terrains are areas where grassland and woodlands develop and give shelter to a variety of wild life.
Question 15.
Which one of the following species is found in Tibet area?
(a) Yak
(b) Shaggy-horned wild ox
(c) Tibetan antelope
(d) All of these
Answer
Answer: (d) All of these
Explanation:
Ladakh’s freezing high altitudes are a home to yak, the shaggy horned wild ox weighing around one tonne, the Tibetan antelope, the bharal (blue sheep), wild sheep, and the kiang
Question 16.
Ebony, mahogany and rosewood trees are grown in which type of the forests?
(a) Coniferous forest
(b) Tropical rainforest
(c) Tropical thorn forest
(d) None of these
Answer
Answer: (b) Tropical rainforest
Explanation:
The commercially important trees of the tropical rain forest are ebony, mahogany, rosewood, rubber and cinchona.
Question 17.
Why is the southern slopes in Himalayan region covered with thick vegetation?
(a) On account of more exposure to sunlight
(b) On account of more precipitation
(c) On account of less exposure to colder winds
(d) All the above
Answer
Answer: (d) All the above
Explanation:
The southern slopes in Himalayan region covered with thick vegetation as compared to northern slopes of the same hills on account of more exposure to sunlight, more precipitation, and less exposure to colder wind.
Question 18.
Which one of the following state of India has the least percentage of its area under forest cover?
(a) Bihar
(b) Punjab
(c) Madras
(d) Sikkim
Answer
Answer: (b) Punjab
Explanation:
Punjab has the least percentage of its area under forest cover. According to India State of Forest Report 2011, the forest cover in India is 21.05 per cent.
Question 19.
Due to which reason the vegetation of most of the areas has been modified or replaced or degraded?
(a) Change of climate
(b) Human occupancy
(c) Soil erosion
(d) None of these
Answer
Answer: (b) Human occupancy
Explanation:
In the hilly region of central India and the marusthali, the vegetation of most of the areas has been modified at some places, or replaced or degraded by human occupancy.
(a) Match the following:
| Column A | Column B |
| (i) Rajaji National Park | (a) Assam |
| (ii) Sanjay Gandhi National Park | (b) Rajasthan |
| (iii) Rajgir National Park | (c) Maharashtra |
| (iv) Simlipal National Park | (d) Uttarakhand |
| (v) Ranganthittu Birds Sanctuary | (e) Gujarat |
| (vi) Kaziranga National Park | (f) Uttar Pradesh |
| (vii) Sariska Wild life Sanctuary | (g) Bihar |
| (viii) Gir National Park | (h) Rajasthan |
| (ix) Dudhwa National Park | (i) Kerala |
| (x) Keoladeo Ghana National Park | (j) Odisha |
Answer
Answer:
| Column A | Column B |
| (i) Rajaji National Park | (d) Uttarakhand |
| (ii) Sanjay Gandhi National Park | (c) Maharashtra |
| (iii) Rajgir National Park | (g) Bihar |
| (iv) Simlipal National Park | (j) Odisha |
| (v) Ranganthittu Birds Sanctuary | (i) Kerala |
| (vi) Kaziranga National Park | (a) Assam |
| (vii) Sariska Wild life Sanctuary | (b) Rajasthan |
| (viii) Gir National Park | (e) Gujarat |
| (ix) Dudhwa National Park | (f) Uttar Pradesh |
| (x) Keoladeo Ghana National Park | (h) Rajasthan |
(b) Match the following:
| Column A | Column B |
| (i) Sundarbans | (a) Uttarakhand |
| (ii) Gulf of Mannar | (b) Assam |
| (iii) The Nilgiris | (c) Madhya Pradesh |
| (iv) Nanda Devi | (d) West Bengal |
| (v) Nokrek | (e) Andaman and Nicobar Islands |
| (vi) Great Nicobar | (f) Odisha |
| (vii) Manas | (g) South India |
| (viii) Simlipal | (h) Tamil Nadu |
| (ix) Pachmari | (i) Meghalaya |
| (x) Agasthyamalai | (j) Kerala |
Answer
Answer:
| Column A | Column B |
| (i) Sundarbans | (d) West Bengal |
| (ii) Gulf of Mannar | (h) Tamil Nadu |
| (iii) The Nilgiris | (g) South India |
| (iv) Nanda Devi | (a) Uttarakhand |
| (v) Nokrek | (i) Meghalaya |
| (vi) Great Nicobar | (e) Andaman and Nicobar Islands |
| (vii) Manas | (b) Assam |
| (viii) Simlipal | (f) Odisha |
| (ix) Pachmari | (c) Madhya Pradesh |
| (x) Agasthyamalai | (j) Kerala |