The document provides comprehensive information about the greater one-horned rhinoceros, including its scientific classification, habitat, dietary habits, and reproductive behavior. It highlights the conservation challenges the species faces, such as poaching and habitat loss, as well as initiatives aimed at increasing their population. The greater one-horned rhino, primarily found in India and Nepal, is celebrated for its significance in local culture and ecology.

1. The Rhinoceros
Environment Education & Capacity Building Division |
For General
Audiences
Art : Leroy Neiman

2. National Animal of India is TIGER
Greater One-horned Rhino
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Protected as Schedule-I Species under Wildlife
(Protection) Act, 1972
PC. kids.nationalgeographic.comWhat is the State Animal of Assam?

3. How many Species of Rhinos are known to
mankind?
Five
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Greater One-horned Rhino, Sumatran Rhino,
Javan Rhino, Black Rhino, White Rhino

4. 3 Environment Education & Capacity Building Division |
Human
Rhino
? ? ? ?
Rhino
Calf Bull Cow Crash
Baby Man Women Group

5. What is the average lifespan of Greater one -
horned rhino?
40 years
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A Greater one-horned rhino matures at the age of 6 to 7

6. Scientific name of Greater one-horned rhino is
“Rhinoceros unicornis”. What is the scientific name
other species of rhino?
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I) A2, B4, C1, D3
II) A3, B4, C1, D2
III) A1, B3, C2, D4
Species Scientific name
A. Black rhino. 1. Dicerorhinus sumatrensis.
B. White rhino. 2. Rhinoceros sondaicus.
C. Sumatran rhino. 3. Diceros bicornis.
D. Javan rhino. 4. Ceratotherium simum.
(II) A3, B4, C1, D2

7. What is rhino horn made up of ?
Keratin
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The rhino horn has no medicinal value.
Hint: The same material from which
human hair and nails are made up of.

8. The skin colour of Indian Rhino is brown, grey
and black; what is the colour of White Rhino?
Grey
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Why it is called ‘White’ not ‘Grey’? The mouth of this species is
wide as compared to others. Earlier English speaking settlers in
South Africa misinterpreted the African word ‘wijd’ for English
word ‘white’ and the rhino with the wide mouth ended up being
called the white rhino.
Photo: Steve and Ann Toon

9. An adult human has a total of
average 32 teeth. The teeth of rhino
are very strong, sharp and long.
How many teeth a Greater one-
horned rhino have?
28 teeth (1 incisor, 3 premolars and 3 molars in
each half of the jaw).
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White rhino has 24, Sumatran rhino has 30, Javan rhino
has 28 and Black rhino has between 24 and 28 teeth.

10. Gestation period of Greater one-horned rhino is
about 480 days or 16 months. What is the
period of breeding?
Usually 4-5 years
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A female gives birth one calf at a time. Usually
female won’t give birth until her calf leave.
PC: Deba Kumar Dutta

11. Weight of White rhino is 2,300 kg, black rhino
weight is 1,400 kg. What is the weight of an
adult Greater one-horned rhino?
Average 2,100 kg
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A greater one-horned rhino runs at 40 km/hr
speed.

12. An adult human drinks average 4-5
liters of water in a day. How much
does a Greater one- horned rhino
drink per day?
Approx 80 liters
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Indian rhinos are good swimmers and are often
found around water bodies.
X 320 glass = 80 liters
Photo: Uttam Saikia

13. Rhinos are herbivores. Some are browsers,
while others are grazers. What do the Greater
one-horned rhino feed on?
They feed on mainly on grasses.
Prefer Dubori, Lokosa, Nol,
Khagori, Birina, etc. Also eats
fruit, leaves and twigs.
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It does most of its eating during the cool hours of the
mornings and evenings.

14. The ‘World Rhino Day’ was first announced in
2010 to create conservation attention to the
plight of this species. When it is celebrated every
year?
September 22
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15. Rhino is the pride of Assam. Where Greater
One-horned rhino found in the wild in Assam.
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Kaziranga National Park 2401
Manas National Park 32
Rajib Gandhi Orang National Park 96
Pobitora Wildlife Sanctuary 100
(Population based on 2015 census)

17. Greater one-horned rhino found only in India
and Nepal. In which states Greater one-horned
rhinos found in India?
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Assam 2,625
West Bengal 256
Uttar Pradesh 34
(Population based 2015 census)

18. In which place Greater One-horn Rhino density
is highest in the wild?
Pobitora Wildlife Sanctuary
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The Sanctuary is located in Morigaon District of Assam,
India. The habitat comprises of Assam alluvial grassland
for an area of 38.81 sq.km. Assam harbors around 75%
global population of Greater One-horned Rhino.

19. A rhino species either have one or two horns.
Which species have one horn and two horn ?
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A. Black rhino X. One horn
Z. Two hornB. White rhino
C. Sumatran rhino
D. Javan rhino
Which one is correct?
1. AZ, BZ, CZ, DX
2. AZ, BX, CZ, DX
3. AX, BZ, CZ, DZ AZ, BZ, CZ, DX

20. The Black Rhino is the Fastest among the five
species. Which species of rhino is the Largest in
size?
White Rhino
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White Rhino is found in South Africa , Namibia,
Zimbabwe, Botswana, Swaziland, Uganda and Kenya.
Population is about 18,500

21. Rhino needs grassland to survive. But they spent
almost 60% time of a day in other place. Where
they spent such a huge amount of time and
why?
In Waterbodies,
Wetland and Swamps
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Rhinos wallow in mud to protect their skin from the sun,
to cool off and to ward off parasites. Also they love to
lick nutritious minerals if present in water.
Photo: Uttam Saikia

22. How can we differentiate between a pug mark of
rhino and elephant?
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Elephant Rhino
The foot of an elephant has a
circular shaped outline and
the back foot takes more of
an oval shape.
The overall shape of the
foot of a rhino is a round
spades shape.
Impression of four toes can
be seen easily.
Impression of three toes
can be seen easily.

23. How much has the world rhino population
declined since 1970?
The 90 percent decline in the world rhino
population is due largely to poaching
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Population in 1970 : Some 70,000

24. How long can rhino horns grow?
The Indian Rhino horn
reaches a length of between
20 and 100 cm (8 – 39
inches).
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25. Why do egret and some birds frequently been
observed near rhinos?
 Birds removes ticks and flies
off rhino’s body and consumes
them.
 Many insects flown while a
rhino moves or grazes and then
birds can forage easily.
This symbiotic relationship
mutually benefits both birds
and rhinoceros.
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Photo: Udayan Borthakur

26. What is the reason for frequent rhino charges?
A. They are aggressive in behavior.
B. In order to scare off intruders, rhinos will usually
charge at them.
C. Simple fear and self-preservation is one possible
reason.
D. The poor vision of rhinos is probably the reason for
their unprovoked attacks.
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Reason: r A r BCD r D r CD
C D

27. What are the major threats to rhinos?
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A. Poaching
B. Habitat loss
 Severe invasion by alien plants
 Conversion of grasslands and wetland habitats
 Livestock grazing
C. Conflict with human

28. IRV 2020 is a Government initiative. What is
the main objective of its initiative?
1. To increase the rhino population up to 3000 by the
year 2020 in Assam.
2. To increase the area of rhino occupancy within
Assam through translocation.
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29. CITES has banned international trade of rhino by
putting it in Appendix-I. What status has given to
Greater One-horned Rhino by the IUCN in Red List?
Vulnerable B1ab(iii) ver 3.1
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IUCN (International Union for Conservation of Nature and
Natural Resources)

30. Rhino’s eye sight is quite poor but they have very good
sense of smell. They use community toilets. How one
can differentiate dung of rhino and elephant?
Environment Education & Capacity Building Division |28
The main difference between rhino and elephant is in
the texture colour.
Rhino Elephant
Usually black Usually a dark shade of
brown

31. Greater One-horned Rhino is Protected under
Wildlife (Protection) Act,1972. What are the
major punishments has mentioned under this
Act to a rhino poacher?
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Offence Punishment
Poaching inside PA
(in Assam)
 Minimum 7 years imprisonment which
may extend up to 10 years.
 Fine minimum Rupees 50,000
If accused made
same offence
second time or
more (in Assam)
 Minimum 10 years imprisonment which
may extend up to lifetime imprisonment.
 Fine minimum Rupees 75,000

32. The Rhinoceros
Environment Education & Capacity Building Division |
Art : Leroy Neiman
Prepared by
Azmeena Rahman
Jayanta Kumar Pathak
Email: jayantakp13@gmail.com