CBSE Questions for Class 12 Medical Biology Strategies For Enhancement In Food Production Quiz 12 - MCQExams.com

Which of the following is raised as food for the live-stock?
  • Millets
  • Sorghum
  • Lentil
  • Oats
Which one of the following fish variety is a surface feeder?
  • Rohu
  • Catla
  • Mrigal
  • Common carp
Which of the following mixtures would you be able to separate using the method of filtration?
  • Oil in water
  • Cornflakes in milk
  • Salt in water
  • Sugar in milk
Which of the following has been recently used for increasing productivity of super milch cow?
  • Artificial insemination by a pedigreed bull only
  • Superovulation of cow only
  • Embryo transplantation only
  • Superovulation, artificial insemination and embryo transplantation into a 'carrier cow'
Selective breeding, progeny testing and improvement are taking place in ................

  • Cattle
  • Buffalo
  • Sheep
  • All of the above
In honey the percentage of maltose and other sugar is ...........%
  • 9.2
  • 8.81
  • 10.5
  • 11.2
Artificial breeding of cattle is carried through 
  • Artificial insemination
  • Superovulation and embryo transplantation
  • Homozygotic twinning
  • All of the above
A waxy substance produced by honey bee to repair combs is called as................
  • Propolis
  • Honey dew
  • Nectar
  • Ethylene
In which part of the body, pollen basket is found in the honey bee?
  • Prothoracic leg
  • Mesothoracic leg
  • Metathoracic leg
  • At union of thorax and abdomen
Which of the following countries is the lowest in milk yield per cow?

  • India
  • U.K.
  • Switzerland
  • Netherlands
Technique of cryopreservation is used for 
  • Preservation of various tissues
  • Preservation of semen of good quality bulls
  • Preservation of very young foetuses
  • All of the above
The hormone injected to cows for excessive milk production is 
  • Oestrogen
  • Progesterone
  • Oxytocin
  • Testosterone
The fungus used for the commercial production of SCP is
  • Pentadiplandra brazzeana
  • Fusarium graminearum
  • Brassica napus
  • Bacillus thuringeinsus
  • None of the above
Sting apparatus in honey bee is a modified form of ...............
  • Ovipositor
  • Wax glands
  • Alkaline glands
  • Podical valves
Which one of the following is not a major carp?
  • Cirrhinus mrigala
  • Puntius ticto
  • Ctenopharyngodon idella
  • Labeo rohita
Cod liver oil is a rich source of ............
  • Iodine
  • Vitamin A
  • Vitamin B
  • Vitamin C
The stimuli through which a dancing scout bee communicates the location of a food source to other worker bees in a hive are 
  • Visual
  • Acoustic
  • Contact
  • Contact and visual
The honey bees exhibit a type of dance to communicate the location of food. What is this known as?
  • Waggle dance
  • Tap dance
  • Round dance and waggle dance
  • Break dance
Which of the following is a correct statement?
  • Drone is diploid.
  • Apis indica is largest wild bee.
  • Wax is excretory product of bee.
  • Frisch discovered communication in bees.
Which among the following is the real product of the honey bee?
  • Honey
  • Bee wax
  • Propolis
  • Both (B) and (C)
If a honey bee is conveying an information, by round dance then the distance of source will be about
  • 1000 meters
  • 50 meters
  • 2000 meters
  • 150 meters
In which bee, barbless sting is found?
  • Drone
  • Workers
  • Queen bee
  • All of the above
Nobel prize winner for the discovery of method of interpersonal communication in honey bee is ......................
  • Karl von Frisch
  • H.G. Khorana
  • Harvey
  • Darwin
Mysore has one of the following institute

  • National agricultural research institute
  • Rice research institute
  • Forest research institute
  • Central food technology research institute
Lactation in sterile cows is induced by giving 
  • Stilbestrol
  • Gonadotropin
  • Vitamin B2
  • None of the above
In poultry, first deworming is usually done around the age of 
  • 4 weeks
  • 8 weeks
  • 12 weeks
  • 16 weeks
Exchange of germplasm is carried mostly through shoot tips because it is
  • Cheap
  • Small and handy
  • Virus-free
  • Genetically stable
Who was first to develop artificial skin by tissue culture
  • Harrison
  • Carrel
  • Maximov
  • Engene-Bell
Murashige and Skoog medium is used for
  • Isolation of fungal strains
  • Culture of bacteria
  • Raising plants through micropropagation
  • Culture of protein rich cyanobacterium Spirulina
In poultry industry, production of hatching eggs is more expensive than the production of market eggs mainly because 
  • Cost of males and their depreciation value is high.
  • Mortality among females is usually lower when they are mated with males.
  • The number of eggs produced by hatchery flock are to be sold only as market eggs.
  • Some of the eggs produced by hatchery flocks are not acceptable for incubation.
State whether the following statement is true or false.
Ability of an organism to resist disease is called as host resistance.
  • True
  • False
  • Ambigous
  • Data insufficient
IR-36 was developed through breeding of
  • Six rice varieties and Oryza nivara
  • 13 rice varieties and Oryza nivara
  • Oryza sativa and O. indica
  • Oryza indica and O. nivara
Which of these is an exotic fish?
  • Gourami
  • Sardine
  • Anchory
  • Meckerel
Which of the following nutrients are added to improve fish culture? 
  • NO$$_{3}^{-}$$ and SO$$_{4}^{2-}$$
  • PO$$_{4}^{3-}$$ and NO$$_{3}^{-}$$
  • SO$$_{4}^{2-}$$ and I$$_2$$
  • Both A and B
The fishes given below are highly esteemed for their food value. Match their common names by selecting the correct code.

  List I  List II
 A Cyprinus carpio 1 Chinese carp
 B Clarias batrachus 2 Mrigala
 C Mugil cephalus 3 Cod
 D Gadus morhua 4 Magur
 E Cirrihinus 5 Mullet
  • A- 1, B- 4, C- 5, D- 3, E- 2
  • A- 1, B- 2, C- 3, D- 4, E- 5
  • A- 5, B- 4, C- 3, D- 2, E- 1
  • A- 2, B- 1, C- 5, D- 4, E- 3
Which of the following is rock bee?
  • Apis mellifera
  • Apis indica
  • Apis dorsata
  • Apis florea
In bee colony, all larvae are fed by workers for first two days on
  • Honey
  • Pollen
  • Royal jelly
  • Saliva
Eggs of chicken are incubated at
  • 32$$^o$$C
  • 45$$^o$$C
  • 27$$^o$$C
  • 38.9$$^o$$C
The ideal floor space required for a layer bird is about 
  • 0.25 to 0.30 sq.m
  • 3 to 4 sq.m
  • 10 sq.m
  • 4 to 5 sq.m
The wax glands in honey bee are present ..............
  • On the ventral side of the last segment.
  • On the ventral side of last four abdominal segments.
  • On the dorso-lateral side of first two abdominal segments.
  • On the lateral side of last two abdominal segments.
Fish roes widely used for high biological value are rich in 
  • Thymine, creatine and tyrosine
  • Lecithin and cholesterol
  • Vitamin B, C, D and E
  • All of the above
The name 'honey stomach' in bees is applied for
  • Gizzard
  • Pharynx
  • Stomach
  • Crop
In India, which of the following species of honey bee is reared in artificial hives?
  • Apis indica
  • Apis dorsata
  • Apis florea
  • None of the above
Isinglass is .................
  • Collagen
  • Pigment obtained from scales
  • Substance obtained from air bladder
  • Glass preparation from fish fin
What is the waxy substance produced by honey bee to repair combs called as?
  • Propolis
  • Honey dew
  • Nectar
  • Sporopollenin
Which of the following is the sequence of cultivation of fish?
  • Fry --- Fingerlings --- Spawn --- Adult
  • Spawn --- Fry --- Fingerlings --- Adult
  • Adult --- Spawn --- Fingerlings --- Fry
  • Fingerlings --- Fry --- Spawn --- Adult
Match the following.

  List I  List II
 A Cirrhinus 1 Rohu
 B Labeo 2 Mrigal
 C Heteropneustes 3 Singara
 D Mystus 4 Singi

  • A- 2, B- 1, C- 4, D- 3
  • A- 1, B- 2, C- 3, D- 4
  • A- 4, B- 3, C- 2, D- 1
  • A- 3, B- 2, C- 4, D- 1
In which part of the body, honey bee keep the nectar for sometime? 
  • Crop
  • Mouth
  • Gizzard
  • Pollen basket
Which one of the following set is useful animals as medicinal value to mankind?
  • Apis indicaSepia, Saccifera, Euplectella
  • Ostrea, Sepia, Laccus
  • Attacus atlas, Pinna, Gadus morhua, Caccussps
  • Apis indica, Lytha vesicattoria, Mylabris, Blatta orientalis
Which of the following statement about bee colony is wrong?
  • Domesticated species are A.indica and A.mellifera.
  • Sex differentiation is due to haplodiploidy.
  • They are female dominant societies.
  • Fertilized eggs develop into sterile females only.
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