This post includes 25 important multiple-choice questions (MCQs) from the chapter- Biotechnology And Its Applications (Biology - Class 12).
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Q.1.
Desired properties of plants and Animals are possible by which reproduction?
- Genetic Engineering
- Chromosomal Engineering
- Ekabana technology
- Bonsai technology
Answer:
(a) Genetic Engineering
Explanation: It is possible by Genetic Engineering
Explanation: It is possible by Genetic Engineering
Q.2.
By means of following Trans gene expression obtained:
- Inhibition of a Innate gene
- An occured Biosynthetic passway develop
- A protein occured with genotype expressed his desired
- None of the above
Answer:
(d) None of the above
Explanation: None of the above
Explanation: None of the above
Q.3.
First Transjenic crop was :
- Cotton
- Alsi
- Pea
- Tobacco
Answer:
(d) Tobacco
Explanation: First Transjenic crop was Tobacco
Explanation: First Transjenic crop was Tobacco
Q.4.
Adjoining of exotic gene in crop is called :
- Genetic Engineering
- Bio architecture
- Tissue culture
- Immunisation
Answer:
(a) Genetic Engineering
Explanation: Adjoining of exotic gene is crop is called Genetic Engineering
Explanation: Adjoining of exotic gene is crop is called Genetic Engineering
Q.5.
Transgenic Bacteria is used in the making of following :
- Epinephrin
- Human Insullin
- Glutanin
- Thyroxin
Answer:
(b) Human Insullin
Explanation: Human Insullin is made by Transgenic Bacteria
Explanation: Human Insullin is made by Transgenic Bacteria
Q.6.
Transgenic Golden Rice has Highly Nutrient value for:
- Lysine
- Methionine
- Glutanin
- Vitamin-A
Answer:
(d) Vitamin-A
Explanation: Transgenic Golden Rice has Highly Nutrient value for Vitamin-A
Explanation: Transgenic Golden Rice has Highly Nutrient value for Vitamin-A
Q.7.
Bt Toxin is :
- Intracellular lipid
- Intracellular crystal protein
- Extracellular Crystal protein
- Lipid
Answer:
(b) Intracellular crystal protein
Explanation: Bacillus thuringiensis (Bt) toxin is Intracellular crystal protein
Explanation: Bacillus thuringiensis (Bt) toxin is Intracellular crystal protein
Q.8.
In a Transgenic crop gene is for the following:
- New protein synthesis
- Resistance from Antibiotics
- In the formation enzyme for Antibiotics
- All of these
Answer:
(d) All of these
Explanation: All of these
Explanation: All of these
Q.9.
Monoclonal antibodies are obtained from
- One parent for one antigen
- Different parents for one antigen
- One parent for many antigens
- Many parents for many antigens
Answer:
(b) Different parents for one antigen
Explanation: Monoclonal antibodies are obtained from Different parents for one antigen
Explanation: Monoclonal antibodies are obtained from Different parents for one antigen
Q.10.
Somatic hybridization can be done by:
- By Protoplast fusion
- By Haploid anther
- By cell culture
- By Pollen culture
Answer:
(a) By Protoplast fusion
Explanation: Somatic hybridization can be done by Protoplast fusion
Explanation: Somatic hybridization can be done by Protoplast fusion
Q.11.
Which Vitamin has been transferred to golden rice?
- Vit-B12
- Vit-A
- Vit-D
- Vit-C
Answer:
(b) Vit-A
Explanation: Vit-A
Explanation: Vit-A
Q.12.
Which one of the following is a step of PCR?
- Denaturation
- Annealing
- Extension
- All of these
Answer:
(a) Denaturation
Explanation: Denaturation is a step of PCR
Explanation: Denaturation is a step of PCR
Q.13.
The Ti plasmid used in genetic engineering is obtained from:
- Bacillus thruingiensis
- E. Coii
- Agrobacterium hizogenes
- Agrobacterium tumefaciens
Answer:
(d) Agrobacterium tumefaciens
Explanation: The Ti plasmid used in genetic engineering is obtained from Agrobacterium tumefaciens
Explanation: The Ti plasmid used in genetic engineering is obtained from Agrobacterium tumefaciens
Q.14.
From which one of the following plants, the insecticide pyrethrum is prepared.
- Cymohopogen
- Tephrosia
- Crysanthemum
- Vitivera
Answer:
(c) Crysanthemum
Explanation: Crysanthemum
Explanation: Crysanthemum
Q.15.
The sheep ‘Dolly’ was cloned by using somatic cells from donor’s:
- Udder
- Skin
- Tongue
- Earlobe
Answer:
(c) Tongue
Explanation: The sheep ‘Dolly’ was cloned by using somatic cells from donor’s Tongue
Explanation: The sheep ‘Dolly’ was cloned by using somatic cells from donor’s Tongue
Q.16.
The confirmatory test used to diagnose AIDS is:
- ELISA
- Western Plot
- ESR
- PCR
Answer:
(a) ELISA
Explanation: The confirmatory test used to diagnose AIDS is ELISA.
Explanation: The confirmatory test used to diagnose AIDS is ELISA.
Q.17.
Natural genetic engineer is :
- Bacillus subtilis
- Pseudomonas sp
- Escherichia coli
- Agrobacterium tumefaciens
Answer:
(a) Bacillus subtilis
Explanation: Natural genetic engineer is Bacillus subtilis
Explanation: Natural genetic engineer is Bacillus subtilis
Q.18.
Bt toxin is :
- intracellular lipid
- Intracellular crystalline protein
- Extracellular crystalline protein
- Lipid
Answer:
(a) intracellular lipid
Explanation: Bt toxin is intracellular lipid
Explanation: Bt toxin is intracellular lipid
Q.19.
Golden rice is a transgenic crop of the future with the following improved trail:
- Insect resistance
- Hight lysine (essential amino acid) content
- High protein content
- High vitamin A content
Answer:
(C)
Explanation: Golden rice is a transgenic crop of the High protein content
Explanation: Golden rice is a transgenic crop of the High protein content
Q.20.
First biochemical to be produced commercially by microbial cloning and genetic engineering:
- Human insulin
- Penicillin
- Interferons
- Fertility factor
Answer:
(b) Penicillin
Explanation: First biochemical to be produced commercially by microbial cloning and genetic engineering Penicillin
Explanation: First biochemical to be produced commercially by microbial cloning and genetic engineering Penicillin
Q.21.
A technology which has found immense use in solving cases of disputed percentage is:
- Polymerase chain reaction
- DNA finger printing
- None of these
- Both (a) and (b)
Answer:
(b) DNA finger printing
Explanation: A technology which has found immense use in solving cases of disputed percentage is DNA finger printing
Explanation: A technology which has found immense use in solving cases of disputed percentage is DNA finger printing
Q.22.
Anticoagulant hirudin is found in:
- In Snake
- In Lizard
- In Leech
- In Scorpion
Answer:
(c) In Leech
Explanation: Anticoagulant hirudin is found in Leech
Explanation: Anticoagulant hirudin is found in Leech
Q.23.
Herbicide resistant gene in plants is:
- Ct
- Mt
- Bt
- Gst
Answer:
(d) Gst
Explanation: Herbicide resistant gene in plants is Gst
Explanation: Herbicide resistant gene in plants is Gst
Q.24.
The species used as natural genetic engineer is :
- Agrobacterim tumefaciens
- Bacillus thruingiensis
- Aspergillus
- Drosophila
Answer:
(d) Drosophila
Explanation: The species used as natural genetic engineer is Drosophila
Explanation: The species used as natural genetic engineer is Drosophila
Q.25.
Bacillus thruingiensis (Bt) strains have been used for designing nobel:
- Biofertilizers
- Biometallurgical techniques
- Biomineralization processes
- Bioinsecticidal plants
Answer:
(a) Biofertilizers
Explanation: Bacillus thruingiensis (Bt) strains have been used for designing nobel Biofertilizers
Explanation: Bacillus thruingiensis (Bt) strains have been used for designing nobel Biofertilizers
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