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railway group d 2018 biology question


1.   The animal husbandry deals with the care, breeding and management of
(a)          Domesticated animals
(b)         Fishes
(c)           Honey bee and silk worms
(d)         All of these
Ans- d
2.   Murrah, Mehsana, Jaffarbadi are breeds of
(a)          Buffalo
(b)         Cow
(c)           Cattle
(d)         Horse
Ans- a
3.  The most common species for bee-keeping in India is
(a)          Apis florae
(b)         Apis mellifera
(c)           Apis dorsata
(d)         Apis Indica
Ans- d
4.  Blue revolution is related to the following field
(a)          Diaries products
(b)         Fisheries
(c)           Egg production
(d)         Agriculture
Ans- b
5.  Three crops that contribute maximum to global food grain production are
(a)          Wheat, rice and maize
(b)         Wheat, rice and barley
(c)           Wheat, maize and sorghum
(d)         Rice, maize and sorghum
Ans- a
6.  Jaya and Ratna developed for green revolution in India are the varieties of
(a)          Maize
(b)         Rice
(c)           Wheat
(d)         Bajra
Ans- b
7.  Yeast Saccaromyces cervisiae is used in the industrial production of
(a)          Butanol
(b)         Citric acid
(c)           Tetracycline
(d)         Ethanol
Ans- d       
8.  Most of eubacterial antibiotics are obtained from
(a)          Rhizobium
(b)         Bacillus
(c)           Streptomyces
(d)         Cephalosporium
Ans- b         
9.  Which gas is responsible for the puffed-up appearance dough ?
(a)          CO2
(b)         O2
(c)           SO2
(d)         NO2
Ans- a
10.                   Streptokinase which is used as ‘clot buster’ obtained from
(a)          Streptococcus
(b)         Staphylococcus
(c)           Lactobacillus
(d)         Saccharomyces
Ans- a     
11.                   Ganga and Yamuna action plan initiated by
(a)          Ministry of environment and forest
(b)         Ministry of agriculture
(c)           Ministry of wild-life conservation
(d)         None of these
Ans- a
12.                   BOD refers to
(a)          Bacteria Oxygen Demand
(b)         Biochemical Oxygen Demand
(c)           Biochemical Operation Demand
(d)         Biological Organism Demand
Ans-b
13.                   The technology of biogas production was developed in India mainly due to the efforts of
(a)          Indian Agricultural/ Research Institute (IARI) and Khadi and Village Industries Commission (KVIC)
(b)          National Botanical Research Institute (NBRI)
(c)           Indian Council of Medical Research (ICMR)
(d)         Indian Council of Agricultural Research (ICAR)
Ans- a
14.                   Cheese and Yogurt are products obtained by
(a)          Distillation
(b)         Pasteurization
(c)           Fermentation
(d)         Dehydration
Ans- c
15.                   Two microbes found to very useful in genetic engineering are
(a)          Vibrio cholerae and a tailed bacteriophage
(b)         Diplococcus sp. And Pseudmonas sp.
(c)           Crown gall bacterium and Caenorhabditis elegans
(d)         Escherichia coli and Agrobacterium tumefaciens
Ans- d
16.                   Domestication of honey bees is called
(a)          Sericulture
(b)         Apiculture
(c)           Tissue culture
(d)         Pisciculture
Ans- b
17.                   Silk worm is a
(a)          Fly
(b)         Worm
(c)           Moth
(d)         Beetle
Ans- c
18.                   Which one of the following statement is true?
(a)          The greater the BOD of waste water, more is its polluting potential.
(b)         The greater the BOD of waste water, less is its polluting potential.
(c)           The lesser the BOD of waste water, more is its polluting potential.
(d)         The lesser the BOD of waste water, less is its polluting potential.
Ans- a
19.                   The example of non-renewable source of energy is
(a)          Alcohol fuel
(b)         Petroleum
(c)           Biogas
(d)         Fuel wood
Ans- b
20.                   The term antibiotic was coined by
(a)          Alexander Fleming
(b)         S. Waksman
(c)           Louis Pasteur
(d)         Edward Jenner
Ans- b
21.                   Important objective of biotechnology in agriculture section is
(a)          To produce pest resistant varieties of plant
(b)           To increase the nitrogen content
(c)           The decrease the seed number
(d)         To increase the plant weight
Ans- a
22.                   Which of the following is the fair of biofertilizers?
(a)          Azolla and blue green algae
(b)          Nostac and legume
(c)           Rhizobium and grasses
(d)         Salmonella and E. coli
Ans- a
23.                   First cloned animal
(a)          Dolly sheep
(b)         Polly sheep
(c)           Molly sheep
(d)         Dog
Ans- a
24.                   Which one of the following is not an antibiotic ?
(a)          Streptomycin
(b)         Citric acid
(c)           Griseofulvin
(d)         Cephalosporin
Ans- b
25.                   Jatropha is a
(a)          Biodiesel drop
(b)         Biopetro crop
(c)           Fibre crop
(d)         Food crop
Ans- a
26.                   IPM is
(a)          International Pest Management Programme.
(b)         International Pesticide Management Programme.
(c)           Integrated Pest Management Programme.
(d)         Internal Pest Management Programme.
Ans- c
27.                   What are the advantage of gobar gas over conventional utilization?
(a)          More efficient source of energy
(b)         Used as good fertilizer
(c)           Reduces the chances of spreading of pathogens
(d)         All of the above
Ans- d
28.                   Organic farming is the technique of raising crops through use of
(a)          Manures
(b)         Resistant varieties
(c)           Biofertilisers
(d)         All of these
Ans- d
29.                   Chemically, the silk is
(a)          Cellulose
(b)         Resin
(c)           Protein
(d)         Lipid
Ans- c
30.                   Biogas consists of
(a)          Carbon monoxide, methane and hydrogen
(b)         Carbon dioxide, methane and hydrogen
(c)           Carbon monoxide, ethane and hydrogen
(d)         Carbon dioxide, ethane and hydrogen
Ans- b

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