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Animal Bio-Diversity - 1


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24 Questions MCQ Test Additional Study Material for UPSC | Animal Bio-Diversity - 1

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Animal Bio-Diversity - 1 - Question 1

Consider the following statements:
1) Asiatic lion is naturally found in India only.
2) Double-humped camel is naturally found in India only.
3) One-horned rhinoceros is naturally found in India only.
Which of the following statement given above is/are correct?

Detailed Solution for Animal Bio-Diversity - 1 - Question 1

Explanation: Asiatic lions are slightly smaller than African lions. At present Gir National Park and Wildlife Sanctuary is the only natural abode of the Asiatic lion. Double-hump camels are found naturally in Tibet, Mountain regions of China, Mangolia, Pakistan and also in mountain regions of Afghanistan. One horned rhino is found in India, Pakistan,Nepal and lower reached of Bhutan.
Educational Objective:
to know about the Distribution of Habitat in different regions around the world.

Animal Bio-Diversity - 1 - Question 2

Consider the following pairs
Wildlife
1) Blue- finned Mahseer
2) Irrawaddy dolphin
3) Rusty-spotted cat
Naturally found in
: Cauvery River
: Chambal River
: Eastern Ghats
Which of the pairs given above are correctly matched?

Detailed Solution for Animal Bio-Diversity - 1 - Question 2

Explanation:
Blue- finned Mahseer : Cauvery River
Irrawaddy dolphin : Chilkalake
Rusty-spotted cat : Eastern Ghats
Educational Objective: To know about the Distribution of Habitats

Animal Bio-Diversity - 1 - Question 3

If you want to see gharials in their natural habitat, which one of the following is the best place to visit?

Detailed Solution for Animal Bio-Diversity - 1 - Question 3

Explanation: Gharials once inhabited all the major river systems of the Indian Subcontinent, from the Irrawaddy Riverin the east to the Indus River in the west. Their distribution is now limited to only 2% of their former range
India: Girwa River, Chambal River, Ken River, Son River, Mahanadi River, Ramganga River
Nepal: Rapti-Narayani River
Educational Objective: To know about the Distribution of Habitats.

Animal Bio-Diversity - 1 - Question 4

In which of the following regions of India are you most Likely to come across the 'Great Indian Hornbill' in its natural habitat?

Detailed Solution for Animal Bio-Diversity - 1 - Question 4

Explanation: Great Hornbill or Great Indian Hornbill is one of the larger member of the hornbill family. It is found in South and SouthEast Asia. They are also found in Western Ghats. Under IUCN Red List, great Indian Hornbill comes under Near Threatened.
Educational Objective:
to know about the Distribution of Habitats and classification.

Animal Bio-Diversity - 1 - Question 5

If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds?
1) Painted Stork
2) Common Myna
3) Black-necked Crane
Select the correct answer using the code given below.

Detailed Solution for Animal Bio-Diversity - 1 - Question 5

Explanation: Common Myna are birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. The common myna is readily identified by the brown body, black hooded head and the bare yellow patch behind the eye.
Educational Objective:
To know about the Distribution of Habitats, different ecological regions associated with the habitats.

Animal Bio-Diversity - 1 - Question 6

In which of the following States is liontailed macaque found in its natural habitat?
1) Tamil Nadu
2) Kerala
3) Karnataka
4) Andhra Pradesh
Select the correct answer using the codes given below 

Detailed Solution for Animal Bio-Diversity - 1 - Question 6

Explanation: lion-tailed macaque Mainlydiurnalarboreal, it prefers the upper canopy of primary tropical evergreen rainforest but may also be found in monsoon forest in hilly country and in disturbed forest.
It can be found in Karnataka, Tamil Nadu and Kerala in the western ghat region.
Unlike other macaques, it avoids humans
Educational Objective: to know about the Distribution of Habitats.

Animal Bio-Diversity - 1 - Question 7

Consider the following:
1) Star tortoise
2) Monitor lizard
3) Pygmy hog
4) Spider monkey
Which of the above are naturally found in India?

Detailed Solution for Animal Bio-Diversity - 1 - Question 7

Explanation: Star tortoise is found in India in the dry and scrub forests. Pygmy Hog is an endangered species found in Assam. Only 150 animals are left. Monitor Lizard is found in India, Sri Lanka and Pakistan. Spider Monkey is the inhabitant of tropical forests of Central and South America.
Educational Objective: to know about the Distribution of Habitats.

Animal Bio-Diversity - 1 - Question 8

Consider the following:
1) Black-necked crane
2) Cheetah
3) Flying squirrel
4) Snow leopard
Which of the above are naturally found in India?

Detailed Solution for Animal Bio-Diversity - 1 - Question 8

Explanation: Species naturally found in India
1) Black-necked crane
2) Flying squirrel
3) Snow leopard
Educational Objective: to know about the Distribution of Habitats.

Animal Bio-Diversity - 1 - Question 9

King Cobra is the only snake that makes its own nest. Why does it make its nest?

Detailed Solution for Animal Bio-Diversity - 1 - Question 9

Explanation: The king cobra is the only snake that builds a nest using dry leave litter, starting from late March to late May. Most nests are located at the base of trees, are up to 55 cm (22 in) high in the center and 140 cm (55 in) wide at the base. They consist of several layers and have mostly one chamber, into which the female lays eggs.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 10

For which one of the following snakes is the diet mainly composed of other snakes?

Detailed Solution for Animal Bio-Diversity - 1 - Question 10

Explanation: The king cobra's diet consists primarily of other snakes and lizards, including Indian cobra, banded krait, rat snake, pythons, green whip snake, keelback, banded wolf snake and Blyth's reticulated snake It also hunts Malabar pit viper and hump-nosed pit viper by following their odour trails.
Educational Objective: to know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 11

What is/are unique about 'Kharai camel' a breed found in India?
1) It is capable of swimming up to three kilometers in seawater.
2) It survives by grazing on mangroves.
3) It lives in the wild and cannot be domesticated.
Select the correct answer using the code given below.

Detailed Solution for Animal Bio-Diversity - 1 - Question 11

Explanation: Kharai camels have a special ability to swim in seawater and feed on saline plants and mangroves, which is how they get their name, Kharai ('salty' in Gujarati). They are also known as dariyataru (meaning seaswimmer). Due to their unique diet, these camels swim to islands near the shore in search of food.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 12

With reference to 'dugong', a mammal found in India which of the following statements is/is correct?
1) It is a herbivorous marine animal.
2) It is found along the entire coast of India.
3) It is given legal protection under Schedule I of the Wildlife (Protection) Act; 1 972.
Select the correct answer using the code given below.

Detailed Solution for Animal Bio-Diversity - 1 - Question 12

Explanation: The dugong is a mediumsized marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalisgigas), was hunted to extinction in the 18th century. The dugong is the only strictly herbivorous marine mammal.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 13

Which one of the following is the national aquatic animal of India?

Detailed Solution for Animal Bio-Diversity - 1 - Question 13

Explanation: The Gangetic dolphins have been declared as the National Aquatic Animal of India .River Dolphin is the National Aquatic Animal of India. The Ministry of Environment and Forests notified the Ganges River Dolphin as the National Aquatic Animal on 18th May 2010. This mammal is also said to represent the purity of the holy Ganga as it can only survive in pure and fresh water.
Educational Objective: to know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 14

Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1) Construction of dams and barrages on rivers
2) Increase in the population of crocodiles in rivers
3) Getting trapped in fishing nets accidentally
4) Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.
Select the correct answer using the code given below.

Detailed Solution for Animal Bio-Diversity - 1 - Question 14

Explanation: Ganges River Dolphin is placed under “Endangered Category” in the IUCN Red List. It lives in one of the world’s most densely populated areas, and is threatened by removal of river water and siltation arising from deforestation, pollution and entanglement in sheries nets. They have been poached over for their oil. The habitat degradation due to declining ow, heavy siltation and construction of barrages causing physical barrier for this migratory species is also one of the reasons behind decline of their numbers.
Educational Objective: To know about the important species, and their unique features. And species classification by international organizations and Acts.

Animal Bio-Diversity - 1 - Question 15

A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat.
Which one of the following could be that animal?

Detailed Solution for Animal Bio-Diversity - 1 - Question 15

Explanation:
The Indian ass(Equushemionuskhur)also called theGhudkhur,KhurorIndian onager in the local Gujarati language, is a subspecies of the onager native to Southern Asia.
It is currently listed as Near Threatenedby IUCN. At the previous census in 2009, estimated 4,038 Indian wild ass. However, the population was still growing. In December 2014, the population was estimated at 4,451 individuals. It has increased from a jump of 454. However, as of 2015, the current Indian wild ass population has increased to more than 4,800 individuals in and outside of the Wild Ass Wildlife Sanctuary of India.
Educational Objective: To know about the important species, and their unique features. And species classification by international organizations and Acts.

Animal Bio-Diversity - 1 - Question 16

In the context of Indian wild life, the flying fox is a

Detailed Solution for Animal Bio-Diversity - 1 - Question 16

Explanation:
The Indian flying fox also known as the greater Indian fruit bat, is a species of flying fox found in South Asia. It is one of the largest bats in the world. It is of interest as a disease vector, as it is capable of transmitting several viruses to humans. It is nocturnal and feeds mainly on ripe fruits, such as mangoes and bananas, and nectar. This species is often regarded as vermin due to its destructive tendencies towards fruit farms, but the benefits of its pollination and seed propagation often outweigh the impacts of its fruit consumption.
Educational Objective: to know about the important species, and their unique features. 

Animal Bio-Diversity - 1 - Question 17

The Panda belongs to the same family as that of

Detailed Solution for Animal Bio-Diversity - 1 - Question 17

Explanation: Pandas descend from the family of Bears.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 18

In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

Detailed Solution for Animal Bio-Diversity - 1 - Question 18

Explanation: Sexual cannibalism is identified only in spiders. In which female organism kills the male before during or after copulation. In most species in which it occurs, sexual connibalism is related to the larger size of female due to sexual dimorphism.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 19

Among the following, Which one lays eggs and does not produce young one directly?

Detailed Solution for Animal Bio-Diversity - 1 - Question 19

Explanation: Echidnas sometimes known as spiny anteaters, belong to the family Tachyglossidae in the monotreme order of egglaying mammals. The four extant species of Echidnas and the platypus are the only living mammals that lay eggs and the only surviving members of the order Monotremata.
Educational Objective:To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 20

Among the following, which one is not an ape?

Detailed Solution for Animal Bio-Diversity - 1 - Question 20

Explanation: Gibbon, Gorilla and Orangutan are apes, but Langur is not an ape, it is prosimians.
Educational Objective: to know about the important species, and their unique features. 

Animal Bio-Diversity - 1 - Question 21

Consider the following statements:
1) Toothless mammals such as pangolins are not found in India
2) Gibbon is the only ape found in India
Which of the statements given above is/are correct?

Detailed Solution for Animal Bio-Diversity - 1 - Question 21

Explanation: Pangolins is found in India, Sri Lanka, Nepal and some parts of Pakistan. Gibbons are the only apes found in India. The Hoollongapar Gibbon Sanctuary is in Assam which is a safe recluse for gibbons.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 22

The release of which one of the following into ponds and wells helps in controlling the mosquitoes?

Detailed Solution for Animal Bio-Diversity - 1 - Question 22

Explanation: Gambusiaaffinis is anlarvivorous fish. This fish is released into ponds and wells to controlling the mosquitoes by eating mosquito larvae, insects and crustaceans.
Educational Objective: To know about the important species, and their unique features. 

Animal Bio-Diversity - 1 - Question 23

Octopus is

Detailed Solution for Animal Bio-Diversity - 1 - Question 23

Explanation: Octopus is an animal of classCephalopoda and phylum Mollusca. The shell is absent. It is found at bottom of the sea. It kills its prey with poisonous saliva. It can change its colour.
Educational Objective: To know about the important species, and their unique features.

Animal Bio-Diversity - 1 - Question 24

Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to

Detailed Solution for Animal Bio-Diversity - 1 - Question 24

Explanation: The major reason behind the vulture population getting nearly wiped out was the drug Diclofenac. It was found in the carcass of cattle on which the vultures feed.

  • The drug was commonly administered to cattle to treat inflammation.
  • Its veterinary use was banned in 2008 by the Government of India. ·
  • Bioaccumulation (the gradual accumulation of substances, such as pesticides, or other chemicals in an organism) of Diclofenac caused kidney failure in Vultures, leading to death.
  • Diclofenac is dangerously fatal for Vultures. Even 1% of it in carcass would kill the Vulture in a short time after it feeds such carcass.
  • The poisoned carcasses were dumped to kill some local stray animals. But when vultures fed on them, it became one of the vital reasons leading to their death.
  • It is imperative to manage our carcass dumps and make sure that poisoned carcasses are not dumped for the vultures to feed on.
  • The forest department cremates the animal carcasses instead of burying them, to keep the poachers away. But this practice is denying food to vultures leading to their death out of starvation.

Educational Objective: To know about the important species, and their unique features.

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