12th Biology chapter 15: full solution, notes, MCQ, & free PDF | Bihar board

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12th Biology chapter 15: cover all important question with new latest pattern. you can download Biology chapter 15 notes & full solution as PDF format in English. below we are goin to cover chapter 15 Biology class 12 Bihar board
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12th Biology chapter 15 Bihar board with NCERT-Details & Highlights

name of content 12th Biology chapter 15 full solution
content Biology objective type MCQ question with answer
name of subjects  class 12 Biology
important for exam Bihar board & other state board
pattern & Level  NCERT & State level question

12th Biology chapter 15 all objective solutions – download PDF

1.Kanha National Park is famous for
    • (A) for the bird
    • (B) Unicorn
    • (C) Tigers
    • (D) for alligators
Answer: (C) Tigers
2. Included in Red Data Book
    • (A) List of extinct plants
    • (B) List of rare plants
    • (C) List of threatened animals
    • (D) all of these
 Answer: (D) All of these
3. In which state is the rhinoceros sanctuary?
    • (A) Assam
    • (B) Bengal
    •  (C) Bihar
    • (D) Gujarat
 Answer: (A) Assam
4.Gir Sanctuary is famous for
    • (A) for the birds
    • (B) for alligators
    • (C) for the lion
    • (D) Unicorn
Answer: (C) Lion
5. Dodo’s
    • (A) Extinct animals
    • (B) endangered animal
    • (C) Offended animals
    • (D) none of these
 Ans: (A) Extinct animals
 6. Which of the following is the number of biodiversity hotspots found in the world
    • (A) 25
    •  (B) 9
    • (C) 34
    • (D) none of these
 Answer : ( C ) 34
7. About how many species of mango are found in India?
    • (A) 50
    • (B) 250
    • (C) .500
    • (D) more than 1000
 Answer: (D) more than 1000
8. Biodiversity as we move from pole to equator
    • (A) increases
    • (B) decreases
    • (C) remains constant
    • (D) none of these
 Answer: (A) Increases
 9. Species of plants in the Amazon forest
    • (A) 10,000
    • (B) 20,000
    • (C) 30,000
    • (D) 40,000
Answer: (D) 40,000

most important mcq solution 12th biology chapter 15

10. Which of them have become extinct?
    • (A) Dodo
    • (B) Steelers Sea Cow
    • (C) Thylacine
    • (D) all of them
Answer: (D) All of them
11. In which year was the Earth Summit organized?
    • ( A ) 1972
    • (B) in 1992
    • (C) in 1952
    • (D) all of them
 Answer: (B) in 1992
12. Hot spots are found in India
    • (A) Only in the Eastern Himalayas
    • (B) Only in the Western Ghats
    • (C) Eastern Himalayas and Western Ghats
    • (D) in the desert of Rajasthan
 Answer: (C) Eastern Himalayas and Western Ghats
13. Biodiversity includes
    • (A) Ground
    • (B) aquatic
    • (C) Ecosystem
    • (D) all of the above
Answer: (D) All of the above
14. Who is involved in ecological diversity?
    • (A) Alpha diversity
    • (B) Beta diversity
    • (C) Gamma diversity
    • (D) all of the above
  Answer: (D) All of the above
15. Which of these is not a foreign species?
    • (A) Latana Camara
    • (B) Magifera indica
    • (C) Icarnia crassipis
    • (D) Parthenium hysterophoreso
Answer: (B) Magifera Indica
16. The largest biodiversity area of ​​the earth’s surface is
    • (A) Eastern Himalayas
    • (B) Western Ghats of India
    •  (C) Amazon rainforest
    • (D) Western Himalayas
Ans: (C) Amazon rainforest
17. Who are included in Ecological Diversity?
    • (A) Alpha diversity
    • (B) Beta diversity
    • (C) Gamma diversity
    • (D) all of them
Answer: (D) All of them
18. Which one of the following statements is not correct regarding endangered species?
    • (A) The number of species is less than the critical limit.
    • (B) These species are endangered.
    • (C) Those species have been kept in this category whose fear of extinction remains.
    • (D) This category includes both vulnerable and rare species.
Answer: (D) This category includes both vulnerable and rare species.
19. Which of the following is the first national park of its country
    • (A) Bandipur
    • (B) Corbett
    • (C) Kanha
    • (D) none of these
 Answer: (B) Corbett

Important most mcq solution 12th biology chapter 15

20. Calm Valley National Park is located at
    • (A) Kerala
    • (B) Tamil Nadu
    • (C) Bihar
    • (D) Uttar Pradesh
Answer: (A) Kerala
21. Ava lions are found in India
    • (A) Jim Corbett National Park
    • (B) in the forests of Madhya Pradesh
    • (C) Forests of Western Ghats
    • (D) Gir forest
Answer: (D) Gir Forest
22. Wandipur site in Karnataka is
    • (A) Elephants
    • (B) Hangul
    • (C) for cheetahs
    • (D) Both ‘ A ‘ and ‘ C ‘
Answer: (D) Both A’ and ‘C’
 23. According to Robert, how many species of plant are yet to be discovered?
    • ( A ) 1,00,000
    • ( B ) 2,00,000
    • ( C ) 3,00,000
    • ( D ) 75,00,000
 Answer: (A) 1,00,000
24. Which of the following is a medicinal plant?
    • (A) Mango
    • (B) Bell
    • (C) People
    • (D) Sarpagandha
Answer: (D) Sarpagandha
25. How many species of bacteria are found in the world?
    • ( A ) 4.000
    • ( B ) 1.000
    • ( C ) 5,000
    • ( D ) 6,000
 Answer: (A) 4.000
26. India’s Biodiversity Act Passed in Parliament
    • ( A ) 1996
    • ( B ) 1992
    • ( C ) 2002
    • ( D ) 2000
 Answer : ( C ) 2002
27. Who among the following first coined the term Biodiversity?
    • (A) W. g rosen
    •  (B) Norse
    • (C) McManus
    • (D) Darwin
 Answer: (A) W. g rosen
28. Approximately how many species of higher plants are there in India?
    • ( A ) 43,364
    • ( B ) 50.365
    • ( C ) 64.364
    • ( D ) 35,364
Answer : ( A ) 43,364
29. How many species of reptiles are found in India?
    • ( A ) 450
    • ( B ) 456
    • ( C ) 980
    • ( D ) 780
Answer : ( B ) 456

12th biology chapter 15 mcq solution bihar board 

 30. The first national park in India was developed by
    •  (A) Norse
    • (B) Kaziranga
    • (C) Jim Corbett
    • (D) none of these
Answer: (C) Jim Corbett
31. Nandankanan Zoo is known as
    • (A) Nilgiri Tiger
    • (B) Hippopotamus
    • (C) White Tiger
    • (D) for the whale
Answer: (C) White Tiger
 32. On which river is the Sardar Sarovar Dam built?
    • (A) Jhelum
    • (B) on Narmada
    • (C) on Tapti
    • (D) on diameter
 Answer: (B) on Narmada
33. Which one of the following is not included in self-location conservation?
    • (A) Sanctuary
    • (B) Botanical garden
    • (C) Biosphere reserves
    • (D) National Park
 Ans: (B) Botanical garden
34. The full form of ICBN is
    • (A) Indian Congress of Biological Names
    • (B) International Code of Botanical Nomenclature
    • (C) International Congress of Biological Names
    • (D) Indian code of botanical nameclear
Answer: (B) International Code of Botanical Nameculture
35. Which one aspect is not found to be present in hot spots of biodiversity?
    • (A) Locality
    • (B) accelerated species loss
    • (C) Continuous interracial competition
    • (D) Caste (Species) Wealth
 Ans: (C) Continuous inter-caste competition
36. The breeding ground of plemmings in India is
    • (A) Sambhar Lake
    • (B) Chilka Lake
    • (C) Gulf of Kutch
    • (D) Ghana Vihar
 Answer: (B) Chilka Lake
37. How can soil erosion be stopped?
    • (A) By restricting human activities
    • (B) by stopping the grazing of animals
    • (C) Using air screen
    • (D) best plant cover
 Answer: (D) best plant cover
 38. The 4 : 1 – group of vertebrates has the highest number of endangered species?
    • (A) fish
    • (B) Reptiles
    • (C) Bird
    • (D) Mammals
Answer: (D) Mammals
39. The logo of WWF-N is
    • (A) Red Panda
    • (B) Giant Panda
    • (C) polar bear
    • (D) none of these
 Answer: (A) Red Panda

BSEB 12th biology chapter 15 most objective solution

 40. Which of the following animal is being protected in Kaziranga Sanctuary of Assam?
    • (A) Indian Vision
    • (B) Indian Lion
    • (C) Indian unicorn
    • (D) Indian elephant
Answer: (C) Indian unicorn
41. The second trophic level in the lake is
    • (A) phytoplankton
    • (B) Pranillavak
    • (C) Both ‘ A ‘ and ‘ B ‘
    • (D) none of these
Answer: (B) animal
42. Lion tailed monkeys cross
    • (A) Western Ghats
    • (B) Eastern Mountains
    • (C) Eastern Ghats
    • (D) Western Himalayas
Ans: (A) Western Ghats
43. Which of the following is most diverse in India?
    • (A) Teak
    • (B) Mango
    • (C) Wheat
    • (D) Tea
 Answer: (B) Mango
 44. Which one of the following is considered a ‘hot-spot’ of biodiversity in India?
    • (A) Western Ghats
    • (B) Indus-Gangetic plain
    • (C) Eastern Ghats
    • (D) Aravalli Mountains
 Ans: (A) Western Ghats
45. Biosphere Reserve was started in India?
    • ( A ) 1984
    • ( B ) 1985
    • ( C ) 1986
    • ( D ) 1987
 Answer : ( C ) 1986
 46. ​​Tiger is not found in the given national park?
    • (A) Ranthambore
    • (B) Sundarbans
    • (C) head
    • (D) Jim Katt
 Answer: (C) Head
47. In which state is the Sundarbans located?
    • (A) Bihar
    • (B) Jharkhand
    • (C) Uttar Pradesh
    • (D) West Bengal
 Answer: (D) West Bengal
48. Project Tiger launched in India
    • ( A ) 1973
    • ( B ) 1981
    • ( C ) 1985
    • ( D ) 1986
 Answer : ( A ) 1973
49. Which of the following is considered a hot-spot in India?
    • (A) Western Ghats
    • (B) Gangetic plain
    • (C) Eastern Ghats
    • (D) Aravalli Mountains
Ans: (A) Western Ghats

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