Biotechnology & its Application (NEET/AIIMS OnlIne Practice Exam)
MCQ
Entrance level questions
The application of biotechnology includes all except :-
waste treatment
energy production
genetically modified crops
conventional hybridisation
Application, like bioremediation processed food, therapeutics and diagnostics are related with :-
Biochemistry
Microbiology
Biotechnology
Medical science
Organic farming is the techniques of raising crops by the use of :-
manures
biofertilizers
resistant varities
All of these
Plants,bacteria, fungi and animals whose genes have been altered by manipulation are called as :-
genetically modified organism
hybrid organism
pest resistant organism
insect resistent organisms
Genetically modified plants have been useful in increasing:-
crop yield
nutritional value of food
tolerance against abiotic stresses
All of these
All are the biotechnology applications in order to increase food production , except:-
pisciculture
agro-chemical based agriculture
organic agriculture
genetically engineered crop-based agricultures
Agrochemical based agriculture includes:-
fertiliers & pesticides
genetically modified plants
RNA interference
DNA interference
Genetically modified plants:-
dirty water
skin coat
soil
surface of midgut
The crop having cry genes needs :-
no insecticide
small amount of insecticides
large amount of insecticides
None of these above
Bt toxins is :-
intracellular crystalline protein
extracellular crystalline protein
intracellular monosaccharide
extracellular polysaccharide
Most insecticides attack the nervous system of insects by :-
inhibiting locomotion
inhibiting respiration
interfering with the conduction of nerve impulses
attracting insects and then inhibiting translocation of food material
Insecticides kill :-
only plant pests
harmful insects
only specific insects
both harmful and useful insects
Cochineal insects are used to check the growth of :-
eichhornia
parthenium
opuntia
lantana
Ethyline dibromide is :-
nematicide
fumigant
rodenticide.
weedicide
The first pesticide used in large scale is :-
Bordeaux mixture
DDT
carbofuran
aldrin
Most herbicides like DCMU attack the :-
conduction of food in plants
central nervous system
photolysis of water and evolution of oxygen
calvin cycle of photosynthesis
The first major benefit of use of pesticide is :-
the production of food for increasing population
in public health programmes, like controlling malaria
eradication of weeds from cereal crops
controlled production of wheat
Bordeaux mixture which is a widely known fungicide is named after :-
place
plant
fungus
scientist
Bt cotton is not :-
a GM plant
insect resistant
a bacterial gene expressing system
resistant to all pesticides
Some strains of Bacillus thuringiensis produces proteins that kills insects like:-
Lepidopterans
Dipterans
Coleopterans
All of these
The protein products of the following bt toxin gene cry IAc & cry IIAb are responsible for controlling:-
bollworm
roundworm
moth
fruitfly
Which of the following genes were introduced in cotton to protect it from cotton bollworms?
cry Ac & cry Ab
Bt Ac & Bt Ab
cryI Ac & cryII Ab
Nif gene
Bt toxin proteincrystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because:-
bacteria are resistant to the toxin
bacteria enclose toxins in a special sac
toxin occurs as inactive protoxins in bacteria
None of these
Some of the characteristic of Bt cotton are :-
long fibre & resistannce to aphids
medium yield, long fibre & resistance to beetle pests
high yield & production of toxic protein crystals which kill dipteran pests
high yield & resistance to bollworms
Bt toxin are initially inactive protoxin but after ingestion by insects their inactive toxin becomes active due to the:-
alkaline pH of the gut
hormone present in the gut
temperature of the gut
acidic pH of the gut
Match the following:-
S.No
Column I
S.No
Column II
I.
Lepidopterans
A
Tobacco, bud worm & Army worm
II.
Coleopterans
B
Beetles
I.
Dipterans
C
Flies & mosquito
I-A, II-B, III-C
I-B, II-C, III-A
I-C, II-B, III-A
I-A, II-C, III-B
Match the following:-
S.No
Column I
S.No
Column II
I.
Bt tobacco
A
Vitamin A
II.
Bt cotton
B
High yield and pest resistance
III.
Bt cotton
C
Manduca sexta
IV.
Golden rice
D
Tobacco budworm
I-C, II-D, III-B, IV-A
I-A, II-B, III-D, IV-C
I-D, II-B, III-C, IV-A
I-C, II-A, III-B, IV-D
Match the following:-
S.No
Column I
S.No
Column II
I.
Bacillus thuringiensis
A
Production of chitinases
II.
Rhizobium meliloti
B
Scavenging of oil spil
III.
E.coli
C
Incorporation of nif gene
IV.
Pseudomonas putida
D
Production of Bt cotton
V.
Trichoderma
E
Production of human insulin
I-B, II-D, III-A, IV-E, V-C
I-B, II-D, III-E, IV-A, V-C
I-D, II-C, III-E, IV-B, V-A
I-E, II-D, III-C, IV-A, V-B
Match the following:-
S.No
Column I
S.No
Column II
I.
Rosie
A
Emphysema
II.
Biopiracy
B
Right granted for biological entities
III.
Biopatent
C
Ellegal removal of biological material
IV.
α- 1- antitrypsin
D
Transgenic cow
I-D, II-C, III-B, IV-A
I-C, II-B, III-A, IV-D
I-B, II-A, III-D, IV-C
I-D, II-A, III-C, IV-B
Match the following:-
S.No
Column I
S.No
Column II
I.
Gene therapy
A
Effort to fix functional gene
II.
Humulin
B
A single stranded DNA or RNA tagged with radioactive molecule
III.
Probe
C
Diagnostic test
IV.
ELISA
D
Diabetes
I-A, II-D, III-B, IV-C
I-D, II-B, III-C, IV-A
I-B, II-C, III-A, IV-D
I-C, II-A, III-D, IV-B
Modifications by germ line gene therapy are heritable as -
The Functional gene is incorporated into to their genome
The Functional gene is incorporated into one of the gene
The Functional gene is incorporated into somatic cells
All of these
Which technology was used toproduce human Insulin in E. coli ?
Gene therapy
Recombinant gene technology
Polymerase chain reaction
All of these
Antibiotics inhibits the growth or destroy :-
Bacteria and fungi
Bacteria algae and viruses
Bacteria and viruses
Bacteria, fungi and viruses
Hybridomas are employed for:-
synthesis of antibiotics
Vibrio cholerae and a tailed bacteriophage
Production of somatic hybrids
Crown gall bacterium and Caenorhabditis elegans
Cells obtained from cancerous tumours are known as :-
myelomas
Lymphocytes
hybridomas
Monoclonal cells
A bioreactor refers to:-
Fermentation tank
organisms reacting to stimuli
Nuclear reactor for biochemical reactions
Tank & biochemical reactions
Penicillin is obtained from :-
Mushroom
viruses
Bacteria and viruses
Penicillium notatum
The micro-organism involves in making bread is …..
Acetobacter
brewer’s yeast
Saccharomyces cerevisiae
None of the above
Tissue culture technique has been biotechnologically successful in production of :-
cheese
alcoholic beverages
shikonin
Insulin
The foods made from genetically modified crops required to Pass human testing because :-
they may cause allergies
they may alter genes
they may cause mutations and release toxins
All above
The typical machine for production of bio-products through microbial is:-
autoclave
sterilized glass ware
microprojectile
Fermenter
Transgenic plants are produced by using Ti Plasmids from the:-
Agrobacterium tumefaciens
E. coli
Bacteriophage
Agrobacterium varians
Assertion – reason type of Questions (a) Both A & R true. R is explanation of A (b) Both A & R true but R is explanation of A (c) A is wrong R is true. (d) A is wrong R is wrong.
A – second generation vaccines are safer to use. R – They are produced by genetic engineering.
a
b
c
d
Assertion – reason type of Questions (a) Both A & R true. R is explanation of A (b) Both A & R true but R is explanation of A (c) A is wrong R is true. (d) A is wrong R is wrong.
A – Vitamin B2 is found in cereals, green vegetables, brewer’s yeast, milk and liver. R – It can be commercially produced by some yeast.
a
b
c
d
One of the following is the correct sequence to make a transgenic animals.