Biodiversity & Conservation MCQs Part II

1) Which species of Gossypium is cultivated least in India?
a) G. arboreum
b) G. hirsutum
c) G. barbadense
d) G. herbaceum

2) The fibre crop occupying the largest area in India is
a) Cotton
b) Jute
c) Sisal
d) Flax

3) Which is a useful product of epidermal origin?
a) Jute
b) Clove
c) Saffron
d) Cotton fibres

4) A fibre of great commercial importance derived from the epidermis
of seeds is

a) Coir
b) Cotton
c) Flax
d) Hemp

5) A cultivated plant whose seed epidermis produces abundant cellulosic
hairs used in the textile industy and for the manufacture of fine quality
paper is

a) Cannabis sativa
b) Gossypium herbaceum
c) Linum usitatissimum
d) Salmalia malabarica

6) A raw cotton fibre contains cellulose about
a) 50%
b) 60%
c) 75%
d) 95%

7) Jute is obtained from a plant which belongs to family
a) Sterculiaceae
b) Tiliaceae
c) Euphorbiaceae
d) Malvaceae

8) Which of the following is grown as the most important source of
textile fibres in West Bengal?

a) Linum
b) Corchorus (Jute)
c) Crotalaria
d) Gossypium

9) Commercial jute fibres are obtained from
a) Interxylary fibres
b) Xylem fibres
c) Phloem fibres
d) None of the above

10) Jute is obtained from the
a) Leaves of Linum sp.
b) Secondary phloem of the stem of Corchorus sp.
c) Secondary phloem of stem Linum sp.
d) Leaves of Corchorus sp.

11) Fowl pox or avian diphtheria is caused by a
a) bacterium
b) virus
c) fungus
d) eimeria

12) Austrowhite is the hybrid of
a) Gallus and white leghorn
b) Desi variety with exotic bird
c) Austrolorp male and white leghorn female
d) None of the above

13) Coccidiosis in poultry is caused by
a) the protozoan parasite, Eimeria
b) helminth parasites
c) viruses
d) fungi

14) Coryza disease in poultry is spread by
a) litter
b) water
c) air
d) feed

15) Blackhead disease in poultry is caused by
a) Haemophilus
b) Histomonas
c) Eimeria
d) None of the above

16) Ranikhet is a serious disease of fowl. It is a
a) bacterial disease
b) viral disease
c) fungal disease
d) protozonal

17) Aspergillosis disease of fowl is a
a) fungal disease
b) bacterial disease
c) viral disease
d) none above

18) The healthiest animal protein is obtained from
a) cattle
b) sheep and goat
c) fish
d) poultry

19) The benefit of cross breeding of the Indian sheep with the merino sheep is
a) mean yield
b) wool quality
c) both the above
d) none of the above

20) Fowl-pox is caused by
a) ectoparasites
b) endoparasites
c) bacteria
d) a virus

21) Which of these is an exotic fish?
a) gourami
b) Sardine
c) Anchovy
d) Mackerel

22) Landrace is
a breed of

a) horse
b) pig
c) camel
d) donkey

23) India is the largest exporter of … to the world
a) milk and butter
b) meat and eggs
c) hides and skin
d) wool

24) Superior quality wool is obtained from the sheep raised in
a) Kashmir and Himachal Pradesh
b) Bihar and Tamil Nadu
c) Maharashtra and Gujarat
d) Orissa and Rajasthan

25) Which of the following is termed the poor man’s cow?
a) Sheep
b) Goat
c) Buffalo
d) Cow

26) Murrah buffalo is a breed of
a) U.P. and M.P.
b) Gujarat
c) Rajasthan
d) Punjab and Haryana

27) Pork is obtained from the
a) cow
b) buffalo
c) goat
d) pig

28) The Kathiawari breed of horse is raised in
a) Himachal Pradesh
b) Ladakh
c) Rajasthan and Gujarat
d) Spiti

29) Draught breeds give
a) good milk producing cows
b) hard working bullocks
c) good milk yielding buffaloes
d) none of the above

30) Buffaloes are considered better than cows because
a) they are resistant to disease
b) they give more milk
c) they live longer
d) all of the above

31) Lactation in sterile cows is induced by giving
a) stillbesterol
b) gonadotropin
d) none of above

32) The birds which are reared for eggs are called
a) broilers
b) cocks
c) layers
d) hen

33) The birds which are reared for meat purposes are called
a) layers
b) broilers
c) cocks
d) hen

34) The female silkworm moth produce a chemical termed bombykol. It is a/an
a) sex hormones
b) alarm pheromone
c) sex pheromone
d) juvenile hormone

35) In honey bees, the drones develop from
a) fertilized eggs
b) unfertilized eggs
c) schizogony
d) asexual reproduction

36) The waggle dance of bees was decoded by
a) Karl von Frisch
b) R. Kock
c) Cuvier
d) Linnaeus

37) In bees the pollen basket is present in the
a) prothoracic legs
b) mesothoracic legs
c) metathoracic legs
d) both meso and metathoracic legs

38) The name “honey stomach”
in bees is applied to the

a) crop
b) pharynx
c) stomach
d) none of the above

39) The wax glands in honey bee are present
a) on the ventral side of the last segment
b) on the ventral side of the last four abdominal segments
c) on the dorso-lateral side of the first two abdominal segments
d) on the lateral side of the last two abdominal segments

40) The drone honey bees are
a) fertile males
b) fertile females
c) sterile males
d) sterile females

41) In bees, the sting is a modified ovipositor and is present only

a) drones
b) workers
c) queen
d) both workers and queen

42) The dance of bees is meant for
a) reproduction
b) communication
c) visiting the source of food
d) all of the above

43) In the bee colony all larvae are fed by workers for first two
days on

a) honey
b) pollen
c) royal jelly
d) saliva

44) Which one of these is a secretion from the body of an insect?
a) Lac
b) Pearl
c) Coral
d) None of the above

45) From which stage of the silk moth silk is obtained?
a) Larva
b) Chrysalis
c) Cocoon
d) Adult

46) The caterpillar of the silkworm voraciously feeds upon
a) apple leaves
b) guava leaves
c) mulberry leaves
d) all of the above

47) Beneficial insects are those which provide useful products
such as

a) honey and beeswax
b) silk thread
c) shellac and some dyes
d) all of the above

48) India used to produce 90% of the total lac output in the
world but now it has lessened to about

a) 10%
b) 20-30%
c) 50-60%
d) 90-100%

49) One of the following statement is correct
a) Apis dorsata is most commonly used for honey production
b) Karl Fritsch discovered the bee dance
c) Honey is rich in glucose and maltose sugars
d) All above

50) A female silk moth lays
a) 800-1000 eggs
b) 400-500 eggs
c) 50-100 eggs
d) 200-250 eggs

51) The worker honey bee lives for
a) one week
b) four weeks
c) 10 weeks
d) 15 days

52) the hinny is a hybrid of the male
a) horse and female donkey
b) donkey and female horse
c) goat and female lamb
d) sheep and female goat

53) The scientist associated with the cloning of a sheep is
a) Wilmut
b) Wolf
c) Both the above
d) None of the above

54) The subject which deals with the study of fishes is called
a) fisheries
b) entomology
c) ichthyology
d) herpatology

55) Gelatin, a very important raw material for preparation of
photographic emulsion, is a by-product of the processing of

a) chicken
b) forest
c) fish
d) cattle

56) In India, which of the following species of honey bee is
reared in artificial hives?

d) None of these

57) Which is not a social insect?
a) Ant
b) Honey-bee
c) Termite
d) Digger-wasp

58) Which of the following species of silk worm are found in


59) Bombyx mori
is a / an

a) bamboo
b) crustacean
c) insect
d) fish

60) On the basis of utility, Nagpuri buffaloes are categorized

a) Milkers
b) Dual purpose
c) Draught cattle
d) Grazers

61) Where does cantheridine come from?
a) Apis
b) Blister beetle
c) Lepisma
d) Culex

62) Sheep are reared from
a) May to December
b) March to November
c) April to October
d) Whole of the year

63) The long neck of the camel is due to the
a) increased number of neck vertebrae
b) increased length of each neck vertebra
c) the development of extra bony plates between successive neck vertebrae
d) the development of muscular pads between successive neck vertebra

64) The branch of biology dealing with the process of improvement
of the human race by selective breeding is called

a) euthenics
b) eugenics
c) euphenics
d) obstetrics

65) HH 260 is a breed of
a) Cock
b) Pig
c) Buffalo
d) Hen

66) The proteins present in silk fibre are
a) fibroin and sericine
b) collagen and elastin
c) fibrin and sericine
d) chondrin and mucin

67) Pebrine is a disease of
a) honey bee
b) fish
c) silkworms
d) lac insect

68) High milk yielding varieties of cows are obtained by
a) super ovulation
b) artificial insemination
c) use of surrogate mothers
d) all of these

69) In which part of the body does the honey bee keep the nectar
for some time?

a) The crop
b) the mouth
c) the gizzard
d) the pollen basket

70) “Inland fishery”
refers to

a) culturing fish in fresh water
b) trapping and capturing fishes from sea coast
c) deep sea fishing
d) extraction of oil from fishes

71) The famous aquarium in India is located in
a) Calcutta
b) Tarapur, Bombay
c) Madras
d) Vishakhapatnam

72) Which one of the following fishes was introduced
in India by foreigners?

a) Labeo rohita
b) Pomfret
c) Mystus singhala
d) Clarias batrachus

73) The camel’s
hump is composed of a tissue, which provides water
when oxidised. It is called … tissue.

a) skeletal
b) muscular
c) areolar
d) adipose

74) Honey has a high content of
a) levulose
b) glucose
c) sucrose
d) fructose

75) The pearl oyster belongs to … class of mollusca
a) gastropoda
b) pelecypoda
c) cephalopoda
d) amphineura

76) The best silk is
a) eri silk
b) tassar silk
c) mulberry silk
d) none above

77) Lac is produced as
a) faecal matter
b) excretory matter
c) a secretion from the body
d) excretion from the body

78) Which is true for Laccifer lacca?
a) It lives upon trees of the fig family and secretes resin
b) the males are sterile and secrete resin
c) parthenogenesis occurs
d) none of the above

79) Transgenic animals are those which have
a) foreign DNA in some cells
b) foreign DNA in all cells
c) foreign DNA and RNA in some cells
d) foreign DNA and RNA in all cells

80) The hormone injected into cows to increase
milk production is

a) oestrogen
b) progesterone
c) oxytocin
d) testosterone

81) The biggest drawback of draught animals is their
a) large consumption of bioenergy compared to production
b) short life span
c) early retirement
d) less reliability

82) Natural parthenogenesis occurs in
a) Cockroaches
b) Honeybee to produce drones
c) Frog to form females
d) Vegetarian eggs

83) Ranikhet disease is of
a) Poultry
b) Fish
c) Pigs
d) Honeybee

84) Wax glands are located in which bees?
a) worker
b) queen
c) male
d) both a and b

85) Which among the following is the real product
of the honey bee?

a) Pollen
b) Beeswax
c) Honey
d) Propolis

86) The disease rinderpest is also called
a) blue tongue
b) cattle plague
c) ring worm
d) both a and c

87) Shark liver oil and cod liver are natural sources
of vitamin

a) A
b) E
c) D
d) Both A and C

88) Which of the following breed of buffaloes is
most in demand?

a) surti
b) Murrah
c) Jaffrabadi
d) Bhadwari

89) Tussore silk worm is
c) Both above
d) None of the above

90) The term “livestock”

a) domestic animals
b) poultry animals
c) pet animals
d) both (b) and (c)

91) The term aquaculture means
a) inland fisheries
b) marine fisheries
c) aspergillosis
d) both a and b

92) The bacterial disease which is found in
chicken is

a) rickets
b) ranikhet
c) coccidiosis
d) fowl cholera

93) Bull semen for the purpose of artificial
insemination is stored in

a) ice
b) liquid oxygen
c) liquid nitrogen

94) The process by which haploid eggs develop
into haploid males in honey bees is called

a) haplotoky
b) thelytoky
c) arrhenotoky
d) gynogenesis

95) The conservation of local varieties of crops is necessary because
a) These are high-yielding
b) These are more nutritious
c) Of historical interest
d) Of the need to maintain genetic diversity

96) The progeny of a cross made between two pure parents show increased vigour and productivity. This is due to
a) Selection
b) Hybridisation
c) Hybrid vigour
d) Mutation

97) In situ conservation is carried out through
a) Biosphere reserves
b) National parks
c) Wildlife sanctuaries
d) All of these

98) The potato famine of Ireland occurred in the year
a) 1645
b) 1745
c) 1845
d) 1945

99) Which of the following crops originated in Peru and Brazil but is now mainly grown in India ?
a) Maize
b) Potato
c) Groundnut
d) None of these

100) The name of the Ginkgo tree has now been removed from the list of endangered plants as a result of
a) In situ conservation
b) Ex situ conservation
c) Offsite collection
d) Gene bank


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