CBSE Questions for Class 12 Medical Biology Strategies For Enhancement In Food Production Quiz 10 - MCQExams.com

Which spice of Italian honey bee is useful for honey production?
  • Epis serena indica
  • Epis flora
  • Epis corseta
  • Apis melliphera
National Dairy Research Institute is established at  
  • Karnal
  • Hisar
  • Anand
  • Jaipur
Match List I with List II and select the correct answer.
List-IList-II
a. Gene libraries$$1$$. Production of food
b. Single cell protein(SCP)$$2$$. Nif genes
c. Agriculture cereal crop$$3$$. Chromosome mapping
d. c-DNA$$4$$. Gene bank
  • A-$$2$$, B-$$3$$, C-$$1$$, D-$$4$$
  • A-$$4$$, B-$$1$$, C-$$2$$, D-$$3$$
  • A-$$4$$, B-$$2$$, C-$$1$$, D-$$3$$
  • A-$$3$$, B-$$2$$, C-$$1$$, D-$$4$$
Which one of the following organisms is advantageously associated with single cell protein production technology?
  • Agro bacterium
  • Spirulina
  • Saccharomyces
  • Acetabularia
Inbreeding in a population leads to
  • Decrease in recessive disorders.
  • Heterosis.
  • Increase in homozygosity.
  • Increase in heterozygosity.
Parbhani Kranti, a variety of bhindi (lady finger) is resistant to
  • Bacterial blight.
  • Yellow mosaic virus.
  • Black rot.
  • Leaf curl.
One of the breeding techniques useful to eliminate harmful recessive genes by selection is
  • Artificial insemination
  • Outbreeding
  • Inbreeding
  • MOET
The main objective of plant breeding is to develop new crop varieties superior in all aspects as compared to the existing types.
  • True
  • False
Process of bringing wild species of plants under cultivation to suit human needs is called
  • Selection
  • Hybridization
  • Domestication
  • Cultivation
Which of the following is not a common procedure in tissue culture of plants?
  • Shoot tip culture for the purpose of micropropagation
  • Leaf, stem, and root culture for the purpose of cell suspension cultures
  • Protoplast culture for the purpose of genetic engineering of plants
  • Culture of hybridized mature plant cells
Which among the following is secondary product of honey bee?
  • Bee wax
  • Propolis
  • Honey
  • Pollen
Amruthmahal, Baragur, Deoni and Harian are breeds of
  • poultry
  • goat
  • cattle
  • none of these
Aquaculture involves the production of useful 
  • shrimps and prawns
  • fish and oysters
  • aquatic plants
  • all of these
Match column I with column II and select the correct option from the given codes.
Column IColumn II
A.Labeo rohita(i)Red junglefowl
B.Gallus gallus(ii)Rohu
C.Bos indicus(iii)Tussar silkmoth
D.Antheraea mylitta(iv)Cattle
  • A-(ii), B-(iii), C-(i), D-(iv)
  • A-(iii), B-(i), C-(iv), D-(ii)
  • A-(ii), B-(i), C-(iv), D-(iii)
  • A-(ii), B-(i), C-(iii), D-(iv)
Study the following statements regarding inbreeding and select the incorrect ones.

(i) The inbreeding strategies allow the desirable qualities of two different breeds to be combined.
(ii) It increases homozygosity.
(iii) It also helps in elimination of less desirable genes.
(iv) Continued inbreeding increases fertility and productivity.
  • (i) and (ii)
  • (ii) and (iii)
  • (iii) and (iv)
  • (i) and (iv)
The term "breed" refers to
  • A group of animals not related by descent but similar in most characters.
  • A group of animals related by descent but similar in most characters.
  • A group of animals related by descent but have almost different characteristics.
  • A group of animals neither related by descent nor have similar characteristics.
Which one of the following poultry birds is not an English breed?
  • Sussex
  • Australorp
  • Orpington
  • Minorca
The breeding carried out between animal of different breeds is called _________________.
  • Out-crossing
  • Cross-breeding
  • Inbreeding
  • Both (a) and (b)
In cross-breeding, _________ of one breed are mated with _________ of another breed.
  • Superior males, Normal females
  • Normal males, Superior females
  • Normal males, Normal females
  • Superior males, Superior females
Which of the following is a drought breed of Indian cattle? 
  • Malvi
  • Gir
  • Sahiwal
  • Deoni
Cell organelle extracted from endosperm of germinating castor beans are ______________.
  • glyoxysomes
  • vacuoles
  • mitochondria
  • none of these
Which of the following is the "bird flu virus"?
  • H5N1
  • Haemophilus influenzae
  • HIV
  • Rhino virus
Which of the following two matches are incorrect?
Sr. No.Exotic breeds
of cattle		Country
of origin
(i) JerseyHolland
(ii)Holstein-FriesianGermany
(iii)AyrshireScotland
(iv)Brown SwissSwitzerland
  • (i) and (iii)
  • (i) and (ii)
  • (ii) and (iii)
  • (ii), (iii) and (iv)
Hisardale is a new breed of sheep developed in Punjab by crossing
  • Merino ram and Bikaneri ewe
  • Assel ram and white leghorn ewe
  • Rhode Island ram and White Leghorn ewe
  • Cochin ram and Ghagus ewe
Crossing of individuals of two different species to produce a hybrid is called __________________.
  • Interspecific Hybridisation
  • Intervarietal Hybridisation
  • Intergeneric Hybridisation
  • Intravarietal Hybridisation
Artificial breeding of cattle is brought about by 
  • Artificial Insemination
  • Superovulation and Embryo transplantation
  • MOET
  • All of these
In honey, the main constituent is ______________.
  • Calcium
  • Sugar
  • Protein
  • Water
The term 'apiculture' refers to
  • tissue culture
  • pisciculture
  • bee-keeping
  • animal-keeping.
Select the incorrect statement from the following.
  • Apiculture provides additional income generating source to the farmers.
  • Bee-keeping is labour intensive process.
  • Bee venom is used to cure certain diseases like gout and arthritis.
  • Honey is used as laxative, antiseptic and sedative.
A mule is produced by the interspecific hybridisation between ________.
  • Hisaedale and Merino rams
  • Male donkey and a Mare
  • Female donkey and a Male horse
  • Merino ram and Bikaneri ewe
Fill the blanks in the following statements by selecting the correct option.
(i) All hybrids of poultry are produced by__________ inbred stocks. 
(ii) Super hybrids are obtained when genetically ___________ parents are used in the cross.
(iii) A _________ is produed from a cross between female horse 
(mare) and male donkey.
  • (i) mating, (ii) same, (iii) mule
  • (i) crossing, (ii) same, (iii) hinny
  • (i) crossing, (ii) different, (iii) mule
  • (i) mating, (ii) different, (iii) hinny
Which of the following plays a role in indigenous system of medicine?
  • Plant breeding
  • Fisheries
  • Apiculture
  • MOET
Which of the following is an example of a cross-breed?
  • Mule
  • Hilsa
  • Hisardale
  • Sahiwal
Biofortification refers to the development of crop plants which are ______________.
  • Resistant to disease
  • Resistant to insect pests
  • Having improved nutritional quality
  • Having improved iron content
Hairy leaves of many plants are associated with ________________.
  • Resistance to insect pests
  • Resistance to viruses
  • Resistance to fungi
  • Resistance to bacteria
Resistance to $$jassids$$ in cotton plants and to cereal leaf beetle in wheat plants is due to _____________.
  • Biochemical characters
  • Physiological characters
  • Morphological characters
  • None of these
Which of the following points are important for successful bee-keeping?

(i) Knowledge of the nature and habits of bees.
(ii) Selection of a suitable location for keeping the beehives.
(iii) Management of beehives during different seasons.
(iv) Cross hybridisation among the selected parents.
  • (i), (iii) and (iv)
  • (ii) and (iv)
  • (i), (ii) and (iii)
  • (i) and (iii)
Yellow mosaic virus resistant variety $$Parbhani$$ $$Kranti$$ belongs to __________.
  • Bhindi
  • Barley
  • Chilli
  • Cauliflower
Which of the following is incorrectly paired?
  • Wheat - Himgiri
  • Milch - Sahiwal
  • Rice - Ratna
  • Pusa Komal - Brassica
Black rust of wheat is caused by
  • Puccinia
  • Albugo
  • Ustilago
  • Cystopus
Maize generates resistance against stem borers by having ___________________.
  • Low aspartic acid, high nitrogen and sugar content
  • Low aspartic acid, sugar but high nitrogen content
  • Low aspartic acid, nitrogen but low sugar content
  • High aspartic acid, sugar content and low nitrogen 
Which of the following statements is correct regarding nectarless cotton varieties?
  • They do not attract stem sawfly
  • They are produced by mutation breeding
  • They do not attract bollworms
  • They attract cereal leaf beetle.
The use of honeybee is
  • to help in pollination
  • production of bees wax
  • production of honey
  • all of these.
Shakti, Rattan and Protina (varieties of maize) are rich in ____________.
  • Lysine
  • Glycine
  • Fats
  • Carbohydrates
Which of the following statement is/are not correct for single cell protein (SCP)?
(i) The biomass is obtained from unicellular microorganisms only.
(ii) It provides a protein rich supplement.
(iii) They can be grown easily on materials like waste water from potato processing plants, straw, manure, sewage etc.
(iv) It helps to minimise environmental pollution.
(v) SCP has to be processed before use.
  • (i), (iii) and (iv)
  • (iii) only
  • (iv) only
  • (i) only
250 g of $$Methylophilus$$ can be expected to produce ______ tonnes of proteins.
  • 15
  • 25
  • 40
  • 50
A wheat variety, Atlas 66, which has been used as a donor for improving cultivated wheat is rich in ___________.
  • Iron
  • Carbohydrates
  • Proteins
  • Vitamins
A group of animals which are related by descent and share many similarities is referred to as:
  • Breed.
  • Race.
  • Variety.
  • Species.
Which of the following should be used as an explant to generate a disease free plant?
  • Anther
  • Ovary cell
  • Shoot tip
  • Young embryo
Which of the following can be used for cultivation of SCP?
  • Animal manure
  • Straw
  • Molasses
  • All of these
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