BIOGEOGRAPHY 95 Important MCQS Part 3 FOR NTA UGC NET
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Q.31. Dendrochronology is a scientific study used for
(A) Estimation of tree health
(B) Morphometric Analysis
(C) Determination of annual tree rings
(D) Study of past climates through tree rings
Answer: C
Explanation:
Dendrochronology is the scientific method of dating tree rings to the exact year they were formed. As well as dating them, this can give data for dendroclimatology, the study of climate and atmospheric conditions during different periods in history from wood.
Q.32. Match List-I with List-11 and select the correct answer from the code given below
| List-I
(Temperate Grassland) |
List-II
(Continent/ Region) |
| A. Prairies | 1. Eurasia |
| B. Pampas | 2. Australia |
| C. Veld | 3. South America |
| D. Steppe | 4. South Africa |
| E. Downs | 5. North America |
Code:
| A | B | C | D | E | |
| A. | 5 | 3 | 2 | 1 | 4 |
| B. | 5 | 3 | 4 | 1 | 2 |
| C. | 2 | 1 | 4 | 3 | 5 |
| D. | 4 | 3 | 5 | 1 | 2 |
Answer: B
Explanation:
Q.33. The term Elephant grass may refer to the following grass species
(A) Canterbury grasslands of New Zealand
(B) Down of Australia
(C) Tropical grassland of Savanna regions
(D) Pampas of Argentina
Answer: C
Explanation:
Q.34. India has how many major bio-geographic regions
(A) 7
(B) 8
(C) 9
(D) 10
Answer: D
Explanation:
Biogeographic classification of India is the division of India according to biogeographic characteristics. Biogeography is the study of the distribution of species (biology), organisms, and ecosystems in geographic space and through geological time. There are ten biogeographic zones in India.
- Trans-Himalayan zone.
- Himalayan zone
- Desert zone.
- Semiarid zone.
- Western ghat zone.
- Deccan plateau zone.
- Gangetic plain zone.
- North east zone.
- Coastal zone
- Islands
Q.35. Which of the following is an example of Economic Pollution?
(A) Educational and social backwardness
(B) Crimes
(C) Perpetual quarrel
(D) Poverty
Answer: D
Explanation:
Q.36. Plants growing in areas of high temperature are called
(A) Microtherms
(B) Megatherms
(C) Mesotherms
(D) Endotherms
Answer: B
Explanation:
Megatherms: Where high temperature prevails throughout the year and the dominant vegetation is tropical rain forest.
Mesotherms: Where high temperature alternates with low temperature and the dominant vegetation is tropical deciduous forest.
Microtherms: Where low temperature prevails and the dominant vegetation is mixed coniferous forest.
Hekistotherms: Where very low temperature prevails and the dominant vegetation is alpine vegetation.
Endotherm: so-called warm-blooded animals; that is, those that maintain a constant body temperature independent of the environment. The endotherms primarily include the birds and mammals; however, some fish are also endothermic.
On the basis of temperature conditions the world’s vegetation can be divided into four classes:
(i) Megatherms: Tropical rain forest
(ii) Mesotherms: Sub-tropic zone
(iii) Microtherms : Mixed coniferous forests types
(iv) Hekisto therms : Plants of the Alpine zone
Q.37. Identify the correct sequence of vegetation belts in an ascending order in mountain environment from the following:
(A) Sub montane – Montane -Subalpine – Alpine
(B) Alpine – Subalpine – Montane – Sub montane
(C) Montane – Sub montane – Alpine – Subalpine
(D) Alpine – Montane – Subalpine – Sub montane
Answer: A
Explanation:
Q.38. Which of the following is a Taiga Biome
(A) Sub-Tropical Biome
(B) Sub-Arctic Biome
(C) Savana Biome
(D) Sub-Sahara Biome
Answer: B
Explanation:
- Match List-I With List-II and select the correct answer from the following codes
| List-I
(Region) |
List-II
(Animals) |
| A. Tundra | 1. Kangaroo |
| B. Savanna | 2. Penguin |
| C. Australia | 3. Zebra |
| D. Antarctica | 4. Reindeer |
Codes:
| A | B | C | D | |
| A. | 3 | 4 | 2 | 1 |
| B. | 2 | 1 | 3 | 4 |
| C. | 4 | 3 | 2 | 1 |
| D. | 4 | 3 | 1 | 2 |
Answer: D
Explanation:
Q.40. What is Alfa Alfa?
(A) A kind of habitat
(B) A marine animal
(C) A kind of grass
(D) A marine flower
Answer: C
Explanation:
Q.41. Epiphytes are found mostly in the
(A) Equatorial region
(B) Monsoon region
(C) Mediterranean region
(D) Tundra region
Answer: A
Explanation:
An epiphyte is a plant growing on other plants. Epiphytes are known as “air plants” because they are not anchored in the soil. Epiphytes derive nutrients from rainwater, air and from other sources. There are many adaptations present in the epiphytes to get nutrients and survive.
Epiphytes are found on branches, leaves, trunk and other surfaces of plants. Epiphytes anchor themselves to a tree, but do not obtain water or other nutrients directly from it. Epiphytes are commonly found in rainforests.
Q.42. Red data books give an account of
(A) Endangered plant only
(B) Extinct animals only
(C) Fossil plant
(D) Endangered plants and animals
Answer: D
Explanation:
- The Red Data Book is a public document that is created for recording endangered and rare species of plants, animals, fungi as well as some local subspecies that are present in a particular region.
- The Red Data Book helps us in providing complete information for research, studies and also for monitoring the programs on rare and endangered species and their habitats.
- This book is mainly created to identify and protect those species which are on the verge of extinction.
- Red Data Book is a catalogue (a complete list) which is published by the International Union for Conservation of Nature and Natural Resources (IUCN).
- The IUCN Red List (2004) documents the extinction of 784 species (including 338 vertebrates, 359 invertebrates, and 87 plants) in the last 500 years
- The Red Data Book keeps a record of all the endangered plants and endangered animals.
Q.43. Red data book are released by
(A) UNESCO
(B) IPCC
(C) IUCN
(D) WWF
Answer: C
Explanation:
IUCN is ‘International Union for the Conservation of Nature and Natural Resources’, which is now called as ‘World Conservation Union’ or WCU. It has its headquarters at Morges, Switzerland. It maintains a ‘Red Data Book’ or ‘Red List’ of all the endangered plants and endangered animals.
Q.44. Which of the following organization is not directly related to up keeping of environment
(A) WMF
(B) IUCN
(C) UNEP
(D) WWF
Answer: A
Explanation:
IUCN: International Union for Conservation of Nature, founded in 1948.
UNEP: United Nations Environment Programme (UNEP), established in 1972
WWF: World Wide Fund for Nature (WWF), founded in 1961
Q.45. The symbol of World Wild Life Fund (WWF) is
(A) White tiger
(B) White elephant
(C) Giant Panda
(D) Bear
Answer: C
Explanation:
The distinctive black and white animal is a national treasure in China and has been the symbol of WWF since its formation in 1961. While its numbers are slowly increasing, the giant panda remains one of the rarest and most endangered bears in the world.