ICSE XII/MCQ Questions for Class 12 Biology Set 6 Sample Test,Sample questions

Question:
A technology which has found immense use in solving cases of disputed percentage is:

1. Polymerase chain reaction

2. DNA finger printing

3. None of these

4. Both (a) and (b)


Question:
Adjoining of exotic gene is crop is called :

1. Genetic Engineering

2.Bio architecture

3.Tissue culture

4. Immunisation


Question:
Animals have innate ability to escape from predation. Select the incorrect example:

1.Colour change in Chameleon

2.Enlargement of body by swallowing air in puffer fish

3. Poison fangas of snakes

4. Melaninin in moths


Question:
Animals undergo inactive stage during winters. It is called :

1.Acclimatisation

2.Hibernation

3.Aestivation

4. Adapatation


Question:
Anticoagulant hirudin is found in:

1. In Snake

2. In Lizard

3. In Leech

4. In Scorpion


Question:
B7 Toxsin is :

1.Intracellular lipid

2. Intracellular crystal protein

3. Extracellular Crystal protein

4. Lipid


Question:
Bacillus thruingiensis (Bt) strains have been used for designing nobel:

1. Biofertilizers

2. Biometallurgical techniques

3. Biomineralization processes

4. Bioinsecticidal plants


Question:
Biopiracy is related to the following:

1. Traditional knowledge

2.Biomolecules and Bioresources, Isolation of gene from Bioresources

3.Bioresources

4. All of the above


Question:
Bt toxin is :

1. Intracellular lipid

2. Intracellular crystalline protein

3. Extracellular crystalline protein

4. Lipid


Question:
By means of following Trans gene expression obtained:

1. Inhibition of a Innate gene

2.An occured Biosynthetic passway develop

3.A protein occured with genotype expressed his desired

4. None of the above


Question:
Desired properties plants and Animals are possible by Which reproduction.

1.Genetic Engineering

2. Chromosomal Engineering

3. Ekabana technology

4. Bonsai technology


Question:
DNA element with ability to change its position is called:

1.Cistron

2. Transposon

3. Intron

4. Ricon


Question:
DNA obtained for DNA finger printing:

1.W.B.C.

2. Hair root cells

3. Body fluids

4.None of these


Question:
First biochemical to be produced commercially by microbial cloning and genetic engineering:

1.Human insulin

2. Penicillin

3. Interferons

4.Fertility factor


Question:
First Transjenic crop was :

1.Cotton

2. Alsi

3. Pea

4. Tobacco


Question:
From which one of the following plants, the insecticide pyrethrum is prepared.

1.Cymohopogen

2. Tephrosia

3.Crysanthemum

4. Vitivera


Question:
Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

1. High lysin content

2.Pest resistance

3. High protien content

4.High vitamin A content


Question:
Golden rice is a transgenic crop of the future with the following improved trail:

1. Insec resistance

2.Hight lysine (essential amino acid) content

3. High protein content

4. High vitamin A content


Question:
Habitat together with functions of a species constitute its:

1.Topography

2.Trophic level

3. Boundary

4.Ecological niche


Question:
Herbicide resistant gene in plants is:

1. Ct

2. Mt

3.Bt

4. Gst


Question:
In a Transgenic crop gene for following:

1. New protein synthesis

2.Resistance from Antibiotics

3.In the formation enzyme for Antibiotics

4.All of these


Question:
In which one of the following habitats, does the diurnal temperature of soil surface veiw most?

1. Shrub land

2.Forest

3.Desert

4. Grassland


Question:
Monoclonal antibodies are obtained from:

1.One parent for one antigen

2.Different parents for one antigen

3.One parent for many antigens

4. Many parents for many antigens


Question:
Most widely used Bioweapon is:

1. Bacillus subtilis

2.Biometallurgial techniques

3.Bacillus anthracis

4. Bioinsecticidal plant


Question:
Natural genetic engineer is :

1.Bacillus subtilis

2. Pseudomonas sp.

3.Escherichia coli

4. Agrobacterium tumefaciens


Question:
Niche overlap is:

1. Mutualism between two species

2.Active cooperation between two species

3. Tjvo different parasites on same food

4. Sharing resources between two species


Question:
Ozone protects biosphere from high energetic:

1.Infra-red rays

2. Ultraviolet rays

3.X-rays

4. gamma rays


Question:
Plasmid is a:

1.Fungus

2. Plasmid

3. Part of Plasma membrane

4. Extra chromosomal DNA in bacterial cell


Question:
Praying mantis is a good example of:

1. Camouflage

2. Mullarian mimicry

3. Warning colouration

4. Social insect


Question:
Recombinant DNA technology discovered by:

1.Hargobind Khoorana

2. James D. Watsan

3. S. Kohen and H. Boer

4. Sulton and Boveri


Question:
Restriction endonuclease cuts:

1.One stand of DNA at specific site

2.Both strands of DNA

3.Both strands of DNA at any site

4. Single strand of RNA


Question:
Restriction Endonuclease used in RDT obtained from:

1.Plasmid

2. Bacterial ceils

3.Bacterophages

4. All Prokaryotic cells


Question:
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from :

1. Plasmids

2.AH prokaryotic cells

3. Bacteriophages

4.Bacterial cells


Question:
Science linking heredity with environment is:

1. Ecology

2.Ecophysiology

3.Genecology

4.Genetics


Question:
Some bacterial occured B-7 Toxin’s crystal not kill the Bacteria because of:

1.Bacteria is Antoxin

2. Toxin is unripened

3.Toxin is inactive

4.Bacteria enclosed toxin a special sell


Question:
Submerged hydrophytes havedisseced leaves for:

1. Decreasing surface area

2. Increasing surface area

3.Reducing effect pf water currents

4. Increasing number of stomata


Question:
The confirmatory test used to diagnose AIDA is:

1. ELISA

2. Western Plot

3. ESR

4. PCR


Question:
The maximum growth rate occurs in :

1.Lag phase

2. Exponential, phase

3. Stationary phase

4. Senescent phase


Question:
The sheep ‘Dolly’ was cloned by using somatic cells from donor’s:

1.Udder

2. Skin

3.Tongue

4. Earlobe


Question:
The species used as natural genetic engineer is :

1. Agrobacterim tumefaciens

2. Bacillus thruingiensis

3. Aspergillus

4. Drosophila


Question:
The Ti plasmid used in genetic engineering is obtained from:

1. Bacillus thruingiensis

2. E. Coii

3. Agrobacterium hizogenes

4. Agrobacterium tumefaciens


Question:
Transgenic Bacteria and m the making of following :

1.Epinephrin

2. Human Insullin

3. Glutanin

4. Thyroxin


Question:
Transgenic Golden Rice Highly Nutrient value for:

1. Lysine

2.Methionine

3.Glutanin

4.Vitamin-A


Question:
Triticale, first man made cereal crop, has been obtained by crossing wheat with:

1.Rye

2. Pearl millet

3.Sugarcane

4. Barley


Question:
Two microbes found tb be very useful in Genetic Engineering are:

1.Excherichia coli and Agrobacterium tumefaciens

2.Vibrio cholarae and a tailed bacteriophage

3. Diplococcus sp. and Pseudomonas sp.

4.Crown gall bacterium and Caenorhabdities elegans


Question:
Viral genome incroporatcd into host DNA is called:

1. Prophase

2. Protophage

3. Bacteriophage

4. None of these


Question:
Water holding capacity is maximum in:

1.Clay

2. Sand

3. Silt

4. Gravel


Question:
Which one of the following is a step of PCR?

1. Denaturation

2.Annealing

3. Extension

4. All of these


Question:
Which Vitamin has been transferred to golden rice?

1. Vit-B12

2. Vit-A

3.Vit-D

4. Vit-C


Question:
Who discovered Restricted endonucleas enzymes?

1.Smith and Nathane

2.Baiger

3. Waxman

4. Fleming


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