Biodiversity & Conservation MCQs Part V

1) To which family does Cinchona officinalis belong?
a) Apocynaceae
b) Rubiaceae
c) Liliaceae
d) Cruciferae

2) Which of the following yields the antimalarial drug quinine?
a) Papaver
b) Cannabis
c) Cinchona
d) Aconitum

3) Cinchona quinine was first discovered at
a) Poland
b) Central asia
c) Peru
d) Portugal

4) The generic name Cinchona was given to the quinine plant by
a) Theophrastus
b) G. Bauhin
c) C. Linnaeus
d) Aristotle

5) From which part of Cinchona is a drug obtained?
a) Pericarp
b) Endosperm
c) Leaf
d) Bark

6) Which of the following is a medicinal plant?
a) Aconitum
b) Tectona
c) Dalbergia
d) Linum

7) Which, among the following, is not a plant product?
a) Ergot
b) Digitalin
c) Stramonium
d) Morphine

8) Which of the following plants yields the drug belladona?
a) Papaver somniferum
b) Atropa belladona
c) Phoenix sylvestris
d) Acacia arabica

9) Atropa belladona belongs to the family
a) Compositae
b) Cruciferae
c) Liliaceae
d) Solanaceae

10) Strychnine which is of medicinal importance is essentially
a) An antimalarial drug
b) An alkaloid from Strychnos nuxvomica
c) An antihypertension drug
d) An antibiotic drug

11) Which of the following is not a source of a drug?
a) Aconitum napellus
b) Dalbergia sissoo
c) Papaver somniferum
d) Cannabis sativus

12) Heroin is a synthetic drug derived from
a) Quinine
b) Serpentine
c) Morphine
d) Nicotine

13) Turmeric powder is obtained from which part of the turmeric

a) Dried root
b) Dried seeds
c) Dried rhizome
d) Dried fruit

14) The crop that occupies the maximum area of land under cultivation
in India is

a) Wheat
b) Rice
c) Sorghum
d) Maize

15) Which of the following is a fibre as well as an oil yielding

a) Linum usitatissimum
b) Gossypium herbaceum
c) Cocos nucifera
d) All the above

16) “Deadly nightshade” is the popular name of
a) Datura
b) Thalictrum foliolosum
c) Atropa belladona
d) Abelmoschus esulentus

17) Which plant yields several utilizable products including
fibre, oil and animal food?

a) Sunhemp
b) Jute
c) Cotton
d) Sunflower

18) Of the following plants which one would you consider an
endangered plant due to overexploitation?

a) Maize
b) Dioscorea
c) Rice
d) Wheat

19) Animals species should be preserved mainly because
a) They are lovely creatures
b) They are useful to mankind
c) Man cannot recreate a species of animals if it is destroyed
d) Zoologists want to study them

20) The Ranthambore National Park is located in
a) Gujarat
b) Rajasthan
c) Maharashtra
d) Uttar Pradesh

21) The most important human activity leading to the extinction of wildlife is
a) Introduction of alien species
b) Alteration and destruction of the natural habitats
c) Hunting for commercially valuable wildlife products
d) Pollution of air and water

22) Whales when washed ashore will die because
a) Their body temperature will increase
b) They cannot respire
c) Their skin will crack
d) Their bones will be crushed by the weight of the body

23) Bandipur in Karnataka State is the site of
a) The tiger project
b) The deer project
c) The peacock project
d) The elephant project

24) Nandankanan Zoo is known for the
a) Hippopotamus
b) Nilgiri Tahr
c) White tiger
d) Whale

25) Which of the following animal has become almost extinct in India ?
a) Wolf
b) Rhinoceros
c) Hippopotamus
d) Cheetah

26) Pebrine is a disease of the
a) Honey bee
b) Fish
c) Silk worm
d) Lac insect

27) Honey is
a) Acidic
b) Neutral
c) Alkaline
d) Basic after some days

28) One of the plants introduced from the Old world to the New world is
a) Sweet potato
b) Corn
c) Potato
d) Rice

29) Which of the following is an oil seed?
a) Rose
b) Marigold
c) Sunflower
d) Chrysanthemum

30) Pisum sativum is a
a) Pulse
b) Vegetable
c) Fruit
d) May come under any category depending on stage development

31) Opium is a plant belonging to family
a) Apocyanacae
b) Euphorbiaceae
c) Papaveraceae
d) None of these

32) Saffron or Kesar is derived from
a) Tendu leaves
b) Fibrous roots
c) Style and stigma of the crocus
d) Anthers

33) Which one of the following is the matching pair of a sanctuary and its main protected wild animal?
a) North Eastern Himalayan Region – Sambhar
b) Sunderban – Rhino
c) Gir – Lion
d) Kaziranga – Musk deer

34) If the forest cover is reduced to half, what is most likely to happen on a long term basis?
a) Tribals living in these areas will starve to death
b) Cattle in these and adjoining areas will die due to lack of fodder
c) Crop breeding programmes will suffer due to a reduced availability of variety of germplasm
d) Large areas will become deserts

35) Which of the following functions performed by forests helps most in controlling drought?
a) Forests act as water sheds
b) Forests prevent rainfall during the monsoon
c) Forests bring rainfall in the monsoon
d) Forests have lot of water plants

36) The extent of rainfall characteristic of tropical deciduous forests lies in the range of
a) 500-750 mm
b) 1000-1500 mm
c) 2000-2500 mm
d) Over 3000 mm

37) Which one has the maximum biomass?
a) Tropical forests
b) Temperate forests
c) Alpine vegetation
d) Taiga

38) The term hot spot for high diversity ecological regions was coined by
b) Myers
c) Odum
d) Kormandy

39) The number of national parks currently operating in India is at present
a) 67
b) 78
c) 91
d) 98

40) Susceptibility to extinction is due to
a) Large body size
b) Small population
c) High trophic level
d) All the above

41) The rate of extinction of species from tropical forests is
a) 2-5 species/hr
b) 2-5 species/day
c) 2-5 species/week
d) 2-5 species/month

42) The number of biogeographical regions of India is
a) 8
b) 10
c) 18
d) 18

43) The ‘Red Data Book’ or IUCN Red List provides data on
a) Biota of Red Sea
b) Effect of red light or photosynthesis
c) Red pigmented plants
d) Threatened species

44) Idri idri occurs in
a) India
b) Mauritius
c) Fiji
d) Madagascar

45) Dachigam sanctuary is associated with conservation of
a) Hangul
b) Rhino
c) Barking Deer
d) Both B and C.

46) The organisation responsible for maintaining the Red Data Book is
d) WWF

47) Which endangered animal is the source of the world’s finest, lightest, warmest and most expensive wool – the Shahtoosh
a) Nilgai
b) Cheetal
c) Kashmiri Goat
d) Chiru

48) Ex situ conservation is carried out in a
a) Sanctuary
b) National park
c) Biosphere reserve
d) Zoo

49) In India, we find mangoes with different flavours, colours, fibre content, sugar content and shelf life. The large variation is due to
a) Genetic diversity
b) Species diversity
c) Induced mutations
d) Hybridisation

50) Quinine is obtained from
a) Cinchona root
b) Bark of Cinchona stem
c) Cinchona stem
d) None of the above

51) Germplasm conservation at liquid nitrogen temperature is
a) Stratification
b) Scarification
c) Cryopreservation
d) None of the above

52) A plant used to treat bone fractures is
a) Hevea brasiliensis
b) Lawsonia inermis
c) Digitalis purpurea
d) Cissus quadrangula

53) The percentage of land covered by forests in India is
a) 9-18%
b) 18-27%
c) 27-36%
d) More than 50%

54) Forests control drought through
a) Lot of water plants
b) Increasing rainfall
c) Retention of water and prevention of erosion
d) Functioning as water shed.

55) Chipko movement is connected with
a) Conservation of natural resources
b) Plant/forest conservation
c) Plant breeding
d) Project tiger

56) Wildlife is destroyed most when
a) There is lack of proper care
b) Mass scale hunting for foreign trade
c) Its natural habitat is destroyed
d) Natural calamity.

57) The vegetation of a place is mainly determined by
a) Rainfall
b) Soil water
c) Soil type
d) Amount of light

58) An American water plant that has become a troublesome water weed in India is
a) Cyperus rotundus
b) Eichhornia crassipes
c) Trapa latifolia
d) Trapa bispinosa.

59) Soil erosion is prevented by
a) Afforestation
b) Increased bird population
c) Overgrazing
d) Removal of vegetation.

60) The best source of renewable energy is
a) Cattle
b) Petroleum
c) Coal
d) Trees.

61) Mulching is helpful in
a) Increasing soil fertility
b) Improvement of soil structure
c) Moisture conservation
d) Better crops

62) Which is a non-renewable resource?
a) Water
b) Forest
c) Mineral
d) Solar Energy.

63) An inexhaustible, non-conventional source of energy is
a) Solar radiations
b) Sea tides
c) Wind power
d) All the above

64) Soil salinity is measured by
a) Porometer
b) Potometer
c) Calorimeter
d) Conductivity meter.

65) Animals like mice, lizards and cockroaches share their habitat with human dwellings. They are
a) Inquilines
b) Cultigens
c) Transplants
d) Humus

66) Uniform soil erosion by running water is
a) Gully erosion
b) Rill erosion
c) Riparian erosion
d) Sheet erosion

67) The major reason for extinction of animals is
a) Predation
b) Pollution
c) Habitat destruction
d) Felling of trees

68) A characteristic of mangroves is
a) Vivipary
b) Pneumatophores
c) Supporting roots
d) All the above.

69) The major fuel component of biogas is
a) CO
b) CO2
c) CH4
d) CH3

70) The amount of alcohol allowed to be mixed with petrol in India is
a) 2.5%
b) 5%
c) 10%
d) 10-15%

71) More than 70% of world’s fresh water is contained in
a) Polar ice
b) Antarctica
c) Green land
d) Glaciers and mountains

72) Biodiesel is produced from
a) Cedrus
b) Jatropha biloba
c) Jatropha curcas
d) None of the above

73) Pyrolysis of wood occurs in
a) Presence of air
b) Absence of air
c) Limited supply of air
d) Both B and C

74) Para rubber is obtained from the latex of
a) Ficus elastica
b) Hevea brasiliensis
c) Carica papaya
d) Musa paradisiaca.

75) Which one is being used as a source of biodiesel in the Indian country side?
a) Beetroot
b) Sugarcane
c) Pongamia
d) Euphorbia

76) The National Institute of Oceanography is located at
a) Mumbai
b) Panaji
c) Madras
d) Lucknow

77) The atmosphere of big/metropolitian cities is polluted most by
a) Automobile exhausts
b) Pesticide residue
c) Household waste
d) Radio-active fall-out

78) Fluoride pollution produces necrosis or chlorosis of
a) Leaf margin and tip
b) Stem
c) Petiole but not lamina
d) Midrib

79) Ultraviolet radiations are lethal because of inactivation of
a) Proteins, nucleic acids and pigments
b) Minerals, air and water
c) Carbohydrates, fats and vitamins
d) Water, carbon dioxide and oxygen

80) SO2 pollution is indicated by
a) Deschampsia (grasses)
b) Sphagnum (mosses)
c) Usnea (lichens)
d) Cucurbita (climbers)

81) Smog occurs in places with
a) Excess SO2
b) Low temperature
c) High temperature
d) Excess NH3

82) Strontium of radio-active fall out is
a) Sr-90
b) Sr-95
c) Sr-85
d) Sr-80

83) Air pollution is not caused by
a) Pollen grains
b) Hydroelectric power
c) Industries
d) Automobiles

84) The concentration of greenhouse gases is increasing due to
a) Deforestation
b) Increased use of refrigerators
c) Increased combustion of coal and petroleum
d) All the above

85) The greenhouse effect is mostly due to
a) CO2.
b) CO
c) NO2
d) H2O

86) The country with the maximum contribution to the hole formation in the ozone layer is
a) U.S.A
b) Russia
c) Germany
d) Japan

87) Sudden mass death of fish is more likely to occur in a/an
a) Eutrophic lake
b) Mesotrophic lake
c) Oligotrophic lake
d) Oxalotrophic lake

88) The most important causative pollutant is
a) Plastic
b) Glass junk
c) Iron junk
d) Detergents

89) Anxiety and stress are caused by
a) Air pollution
b) Noise pollution
c) Water pollution
d) Nuclear pollution

90) Chlorofluorocarbons are air polluting agents. They are produced by
a) Acid batteries
b) Diesel trucks
c) Aerosols
d) Jet planes

91) Lead is considered to be mainly a/an
a) Soil pollutant
b) Water pollutant
c) Air pollutant
d) Noise pollutant

92) Aerosols decrease primary productivity by
a) Decreasing O2 concentration
b) Competing with CO2
c) Preventing N2 fixation
d) Reducing photosynthesis.

93) Which can be used for cleaning up a polluted water body?
a) Chlorella
b) Eichhornia
c) Cyanobacteria
d) Chlamydomonas

94) SO2 pollution affects
a) Mitochondria
b) Chloroplasts
c) Golgi bodies
d) Vacuoles

95) Photochemical smog consists of
a) O3, SOx and hydrocarbons
b) O3, PAN and NOx
c) SO2, CO2 and hydrocarbons
d) SO2, PAN and smoke

96) The process of conversion of harmful industrial wastes into less toxic or non-toxic form by micro-organisms is
a) Bioconversion
b) Precipitation
c) Bioremediation
d) Complement fixation

97) The Bhopal tragedy occurred in
a) 1982
b) 1984
c) 1986
d) 1988

98) Nitrogen oxides formed during emission from automobiles and power plants are a source of fine air particles which lead to
a) Dry acid deposition
b) Photochemical smog
c) Wet acid deposition
d) Industrial smog

99) Black lung disease is common in
a) Farmers
b) Workers of petrochemical industry
c) Coal miners
d) Refinery workers

100) The Montreal Protocol refers to
a) Substances that deplete ozone layer
b) Persistent organic pollutants
c) Global warming and climate change
d) Biosafety of genetically modified organisms


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