Question 1: Palette 1/102

Errorless NEET 2024 MCQ

The capacity to generate a whole plant from any cell of the plant is called

A

Totipotency

B

Micropropagation

C

Differentiation

D

Somatic hybridization

Question 2: Palette 2/102

Errorless NEET 2024 MCQ

Which of the following are fused in somatic hybridization involving two varieties of plants [NCERT Pg. No. 178]

A

Callus

B

Somatic embryos

C

Protoplasts

D

Pollens

Question 3: Palette 3/102

Errorless NEET 2024 MCQ

The "Ti plasmid" of Agrobacterium tumefaciens stands for

A

Tumor inhibiting plasmid

B

Tumor independent plasmid

C

Tumor inducing plasmid

D

Temperature independent plasmid

Question 4: Palette 4/102

Errorless NEET 2022 MCQ

Statements related to human insulin are given below. Which statement(s) is/are correct about genetically engineered insulin
(A) Pro-hormone insulin contain extra stretch of C-peptide
(B) A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them
(C) Insulin used for treating diabetes was extracted from cattles and pigs
(D) Pro-hormone insulin needs to be processed for converting into a mature and functional hormone
(E) Some patients develop allergic reactions to the foreign insulin Choose the most appropriate answer from the options give below

A

C and D only

B

C, D and E only

C

(A), B and D only

D

B only

Question 5: Palette 5/102

Errorless NEET 2022 MCQ

In gene therapy of adenosine deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because

A

Lymphocytes from patient's blood are grown in culture, outside the body

B

Genetically engineered lymphocytes are not immortal cells

C

Retroviral vector is introduced into these lymphocytes

D

Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages

Question 6: Palette 6/102

Errorless NEET 2021 MCQ

With regard to insulin choose correct options
(A) C-peptide is not present in mature insulin
(B) The insulin produced by rDNA Technology has C-peptide
(C) The pro-insulin has C-peptide
(D) A peptide and B-peptide of insulin are interconnected by disulphide bridges

A

B and C only

B

A, C and D only

C

A and D only

D

B and D only

Question 7: Palette 7/102

Errorless NEET 2020 MCQ

Which of the following statements is not correct [NCERT Pg. No. 182]

A

Genetically engineered insulin is produced in E-coli

B

In man insulin is synthesised as a proinsulin

C

The proinsulin has an extra peptide called C-peptide

D

The functional insulin has A and B chains linked together by hydrogen bonds

Question 8: Palette 8/102

Errorless NEET 2020 MCQ

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to

A

Insect predators

B

Insect pests

C

Fungal diseases

D

Plant nematodes

Question 9: Palette 9/102

Errorless NEET 2019 MCQ

Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes

A

BOD incubator

B

Sludge digester

C

Industrial oven

D

Bioreactor

Question 10: Palette 10/102

Errorless NCERT; KCET 2018 MCQ

Silencing of a gene/specific mRNA translation could be achieved through the use of

A

RNA only

B

Antisense RNA only

C

Both RNA and antisense RNA

D

None of the above

Question 11: Palette 11/102

Errorless KCET 2018 MCQ

In RNAi, genes are silenced using

A

ss DNA

B

ds DNA

C

ds RNA

D

ss RNA

Question 12: Palette 12/102

Errorless NEET (Phase-I) 2016 MCQ

Which part of the tobacco plant is infected by Meloidogyne incognita

A

Flower

B

Leaf

C

Stem

D

Root

Question 13: Palette 13/102

Errorless GUJCET 2015 MCQ

In which field application of biotechnology occurs

A

Bio-medicine

B

Agriculture

C

Environment field

D

All of the above

Question 14: Palette 14/102

Errorless MHCET 2015 MCQ

The transgenic animals are generally produces for all of the following needs except

A

Testing of chemical safety

B

Testing of vaccine safety

C

Stimulation of pathogenicity

D

Production of pharmacologically important proteins

Question 15: Palette 15/102

Errorless MH CET 2015 MCQ

The enzyme TPA is used to

A

Maintain turgor pressure

B

Strengthen tissues

C

Increase plasma

D

Dissolve blood clots

Question 16: Palette 16/102

Errorless MHCET 2015 MCQ

The clot formation can be prevented by treatment with in gene therapy

A

DNase

B

Recombinant vaccine

C

TPA

D

TGF-B

Question 17: Palette 17/102

Errorless GUJCET 2014 MCQ

Choose the correct option for the toxic protein produced by B. thuringiensisNo. 178]

A

It acts in acidic medium and binds to epithelial cells of foregut

B

It acts in neutral medium and binds to epithelial cells of hindgut

C

It acts in alkaline medium and binds to epithelial cells of foregut

D

It acts in alkaline medium and binds to epithelial cells of midgut

Question 18: Palette 18/102

Errorless GUJCET 2014 MCQ

Select the correct option for the given statements 'X', 'Y' and 'Z' Statement 'X' - A transgenic cow, Rosie, produced human protein-enriched milk, which was nutritionally more balanced product for human babies than natural cow milk Statement 'Y' – Milk produced by transgenic cow, Rosie contain 2.4 gm protein/litre Statement 'Z' - In the above mentioned milk in 'Y' statement, alpha lactalbumin is present

A

Statements 'X', 'Y' and 'Z’ are true and statement 'Z gives correct explanation

B

Statements 'X', 'Y' and 'Z' are true and statement 'Z' does not give correct explanation

C

Statements 'X' and 'Y' are correct and statement 'Z’ is wrong

D

Statements 'X' and 'Y' are wrong and statement 'Z' is correct

Question 19: Palette 19/102

Errorless NEET 2013 MCQ

Which of the following Bt crops is being grown in India by the farmers

A

Soyabean

B

Maize

C

Cotton

D

Brinjal

Question 20: Palette 20/102

Errorless NEET (Karnataka) 2013 MCQ

Which of the following represents the action of insulin

A

Increases blood glucose levels by stimulating glucagon production

B

Decreases blood glucose levels by forming glycogen

C

Increases blood glucose level by promoting cellular uptake of glucose

D

Increases blood glucose levels by hydrolysis of glycogen

Question 21: Palette 21/102

Errorless NEET (Karnataka) 2013 MCQ

Which one of the following vectors is used to replace the defective gene in gene therapy

A

Adenovirus

B

Cosmid

C

Ri plasmid

D

Ti plasmid

Question 22: Palette 22/102

Errorless KCET 2012 MCQ

This is not a GMO

A

Bt brinjal

B

Golden rice

C

Tracy

D

Dolly

Question 23: Palette 23/102

Errorless CBSE PMT(Mains) 2012 MCQ

The first clinical gene therapy was given for treating

A

Diabetes mellitus

B

Chicken pox

C

Rheumatoid arthritis

D

Adenosine deaminase deficiency

Question 24: Palette 24/102

Errorless CBSE PMT (Mains) 2012 MCQ

Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)

A

Both sense and anti-sense RNA

B

A particular hormone

C

An antifeedant

D

A toxic protein

Question 25: Palette 25/102

Errorless WB JEE 2012 MCQ

Basic principle of developing transgenic plant and animals is to introduce the gene of interest into the nucleus of

A

Somatic cell

B

Vegetative cell

C

Germ cell

D

Body cell

Question 26: Palette 26/102

Errorless MP PMT 2011 MCQ

Which transgenic animal have been given human genes for organ transplantation into human without risk of rejection

A

Cow

B

Sheep

C

Goat

D

Pig

Question 27: Palette 27/102

Errorless CBSE PMT (Pre.) 2011; MH CET 2015 MCQ

Maximum number of existing transgenic animals is of

A

Pig

B

Fish

C

Mice

D

Cow

Question 28: Palette 28/102

Errorless MP PMT 2011 MCQ

Maturation of genetically engineered proinsulin into insulin takes place after

A

Joining of C - peptide

B

Removal of C - peptide

C

Removal of Disulphide bridge

D

All of the above

Question 29: Palette 29/102

Errorless AMU (Med.) 2010 MCQ

'Gray biotechnology' is referred to

A

Medical process

B

Industrial process

C

Agricultural process

D

Aquatic process

Question 30: Palette 30/102

Errorless DUMET 2010 MCQ

Cloning gene is a process where

A

Gene is cloned in an animal

B

Fragments of DNA are transferred from one organism to another, usually carried on a DNA vector

C

Fragments of DNA cloned in the same organisms using carrier

D

DNA is cloned in plants

Question 31: Palette 31/102

Errorless J & K CET 2010 MCQ

The illegal and unlawful development of biomaterials without payment to the inhabitants of their origin is called [NCERT Pg. No. 185] Or Use of bioresources by multinational companies and organizations without authorization from the concerned country and its people is called [NEET 2018]

A

Bio-infringement

B

Biodegradation

C

Bioexploitation

D

Biopiracy

Question 32: Palette 32/102

Errorless DUMET 2010 MCQ

Which of the following is not used as bioweapon

A

Bacillus anthracis

B

Botulinum toxin

C

Bacillus thuringiensis toxin

D

Smallpox

Question 33: Palette 33/102

Errorless KCET 2010 MCQ

Some of the steps involved in the production of humulin are given below. Choose the correct sequence
(i) Synthesis of gene (DNA) for human insulin artificially
(ii) Culturing recombinant E.coli in bioreactors
(iii) Purification of humulin
(iv) Insertion of human insulin gene into plasmid
(v) Introduction of recombinant plasmid into E.coli
(vi) Extraction of recombinant gene product from E.coli

A

ii, i, iν, iii, ν, vi

B

i, iii, v, vi, ii, iv

C

i, iv, ν, ii, vi, iii

D

iii, ν, ii, i, vi, iv

Question 34: Palette 34/102

Errorless AIIMS 2010 MCQ

Monoclonal antibodies are

A

Obtained from a cell and act on one antigen

B

Obtained from a group of cells and act on more than one antigens

C

Obtained from a group of same type of cells and act on single antigen

D

Obtained from a group of same type of cells and act on more than one antigens

Question 35: Palette 35/102

Errorless CPMT 2010 MCQ

Cloning does not provide

A

Same morphological character

B

Variation

C

Same genetic character

D

All of the above

Question 36: Palette 36/102

Errorless MP PMT 2010 MCQ

Who was first to develop artificial skin by tissue culture

A

Harrison

B

Carrel

C

Maximov

D

Engene-Bell

Question 37: Palette 37/102

Errorless CBSE PMT 2009; AIPMT (Cancelled) 2015 MCQ

What is true about Bt toxin

A

The inactive protoxin gets converted into active form due to acidic ph of the insect gut

B

Bt protein exists as active toxin in the Bacillus

C

The activated toxin enters the ovaries of the pest to sterilize it and thus prevent its multiplication

D

The concerned Bacillus has antitoxins

Question 38: Palette 38/102

Errorless AMU (Med.) 2009 MCQ

Isolation of Bt gene from bacterium (Bacillus thuringiensis) was taken up in the year

A

1977

B

1980

C

1997

D

1990

Question 39: Palette 39/102

Errorless AIIMS 2009 MCQ

This method of finding a gene is used when researchers know very little about the gene they are trying to find. This process results in a complete gene library : a collection of copies of DNA fragments that represent the entire genome of an organism

A

Cloning

B

Shotgun cloning

C

Gene synthesis cloning

D

PCR

Question 40: Palette 40/102

Errorless MP PMT 2009 MCQ

Product of biotechnology is

A

Transgenic crop (GM crop)

B

Humulin

C

Biofertilizer

D

All of these

Question 41: Palette 41/102

Errorless AIIMS 2009 MCQ

Genetically engineered bovine (bST), sometimes calles rbST (recombinant bovine somatotropin) or rbGH (recombinant bovine growth hormone) are used in the

A

Therapeutic drugs

B

Agriculture

C

Dairy industry

D

DNA fingerprinting

Question 42: Palette 42/102

Errorless Odisha JEE 2008 MCQ

In plant biotechnology, root tumours are induced in plant using the bacterium

A

Agrobacterium rhizogenes

B

Agrobacterium basilis

C

Rhizobium

D

None of these

Question 43: Palette 43/102

Errorless CBSE PMT 2008 MCQ

Human insulin is being commercially produced from a transgenic species of Or Genetically engineered human insulin is prepared by using [BVP 2000]

A

Rhizobium

B

Saccharomyces

C

Escherichia

D

Mycobacterium

Question 44: Palette 44/102

Errorless MH CET 2008 MCQ

Biopiracy is related to [NCERT Pg. No. 185]

A

Bioreasearches

B

Traditional knowledge

C

Biomolecules and genes discovered

D

All of these

Question 45: Palette 45/102

Errorless Kerala PMT 2007 MCQ

Which of the following is/are true (A) Biowar Biowar is the use of biological weapons against humans and or their crops and animals (B) Bioethics Bioethics is the unauthorised use of bioresourcesandtraditional knowledge related to bioresources for commercial benefits (C) Biopatent Exploitation of bioresources of other nations without proper authorisation

A

B only

B

A only

C

A and B only

D

A and C only

E

B and C only

Question 46: Palette 46/102

Errorless DPMT 2007 MCQ

Which of the following has been covered under the broad patent category

A

Triticum

B

Oryza

C

Pisum sativum

D

Brassica

Question 47: Palette 47/102

Errorless NCERT; CBSE PMT 2007; BHU 2008; MP PMT 2009 MCQ

A genetically engineered micro-organism used successfully in bioremedication of oil spills is a species of

A

Pseudomonas

B

Trichoderma

C

Xanthomonas

D

Bacillus

Question 48: Palette 48/102

Errorless MP PMT 2007 MCQ

In September 2001, Which of the following was used as a bioweapon agent in America Or Most widely used bioweapon is [BHU 2006, 08; AFMC 2008]

A

Botulinum

B

Anthrax (Bacillus anthracis)

C

Polio virus

D

AIDS virus

Question 49: Palette 49/102

Errorless DPMT 2007; CBSE PMT 2008; CBSE PMT (Pre.) 2012 MCQ

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency

A

Bt Soybean

B

Golden rice

C

Flavr Savr tomatoes

D

Starlink maize

Question 50: Palette 50/102

Errorless NCERT; AIIMS 2007 MCQ

Hybridomas are the result of fusion of

A

Male reproductive cells

B

Female reproductive cells

C

Normal antibody producing cells with myeloma

D

Abnormal antibody producing cells with myeloma

Question 51: Palette 51/102

Errorless KCET 2006 MCQ

Monoclonal antibodies are produced from hybrid cells called hybridomas. The cells employed to obtain these hybridoma cells, are

A

B-lymphocytes and myeloma cells

B

Lymphoma cells and bone marrow cells

C

T-lymphocytes and myeloma cells

D

B-lymphocytes and carcinoma cells

Question 52: Palette 52/102

Errorless VITEEE 2006 MCQ

Nuclear transplantation technique was discovered by

A

Briggs

B

Ian Wilmut

C

Gurdon

D

Griffith

Question 53: Palette 53/102

Errorless Kerala PMT 2006 MCQ

Grafting between two members of same species is

A

Allograft

B

Autograft

C

Xenograft

D

None of the above

Question 54: Palette 54/102

Errorless CBSE PMT 2006; Odisha JEE 2012; AIPMT 2015 MCQ

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

A

Herbicide tolerance

B

Producing a petrol-like fuel from rice

C

Alleviation of vitamin A deficiency

D

Pest resistance

Question 55: Palette 55/102

Errorless VITEEE 2006 MCQ

An example of gene silencing is

A

Bt Cotton

B

Flavr savr tomato

C

Transgenic Maize

D

Transgenic rice

Question 56: Palette 56/102

Errorless NCERT; Kerala CET 2005 MCQ

Choose the correct statement with reference to "Dolly"

A

She was created by taking nucleus from unfertilised egg

B

She was created by taking nucleus from udder cell and cytoplasm from unfertilised egg

C

She was created by taking cytoplasm from udder cells and nucleus from fertilised egg

D

She was created in the test tube

Question 57: Palette 57/102

Errorless Kerala CET 2005 MCQ

Find the incorrect statement

A

Gene therapy is a genetic engineering technique used to treat diseases at molecular level by replacing defective genes with normal genes

B

Calcitonin is a medically useful recombinant product in the treatment of infertility

C

Bt toxin is a biodegradable insecticide obtained from Bacillus thuringiensis

D

Trichoderma species is a biocontrol agent for fungal diseases of plants

E

Totipotency is the potential ability of a cell to develop into a complete plant

Question 58: Palette 58/102

Errorless BCECE 2005 MCQ

Which of the following is false for BT transgenic plant

A

Disease resistance

B

Prepared by Bacillus thuringiensis

C

It is recombinant type

D

No such plant is known

Question 59: Palette 59/102

Errorless AIIMS 2005 MCQ

A tumour inducing plasmid widely used in the production of transgenic plants is that of

A

Escherichia coli

B

Bacillus thuringiensis

C

Staphylococcus aureus

D

Agrobacterium tumefaciens

Question 60: Palette 60/102

Errorless BHU 2005 MCQ

Crown gall disease in plants is caused by

A

Ti-plasmid

B

Pi-plasmid

C

Bacteria

D

Virus

Question 61: Palette 61/102

Errorless CPMT 2005 MCQ

In transgenics, expression of transgene in target tissue is determined by

A

Enhancer

B

Promotor

C

Transgene

D

Reporter

Question 62: Palette 62/102

Errorless AIIMS 2005 MCQ

Which one of the following is a correct statement

A

"Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology

B

Somatic hybridization involves fusion of two complete plant cells carrying desired genes

C

The anticoagulant hirudin is being produced from transgenic Brassica napus seeds

D

"Flavr Savr" variety of tomato has enhanced the production of ethylene which improves its taste

Question 63: Palette 63/102

Errorless Kerala PMT 2005, 2008 MCQ

Match Column-I with Column-II and select the correct option

Column-I	Column-II
(A) Bacillus thuringiensis (B) Rhizobium meliloti (C) Escherichia coli (D) Pseudomonas putida (E) Trichoderma	(P) Production of chitinases (Q) Scavenging of oil spills (R) Incorporation of ‘nif’ gene (S) Production of Bt toxin (T) Production of human insulin

A

A-Q, B-S, C-P, D-T, E-R

B

A-Q, B-S, C-T, D-P, E-R

C

A-S, B-R, C-T, D-Q, E-P

D

A-R, B-S, C-T, D-P, E-Q

E

A-S, B-Q, C-T, D-R, E-P

Question 64: Palette 64/102

Errorless AIIMS 2004 MCQ

An example of gene therapy is

A

Production of injectable Hepatitis B vaccine

B

Production of vaccines in food crops like potatoes which can be eaten

C

Introduction of gene for adenosine deaminase in persons suffering from Severe Combined Immunodeficiency (SCID)

D

Production of test tube babies by artificial insemination and implantation of fertilized eggs

Question 65: Palette 65/102

Errorless NCERT; MP PMT 2003; Odisha JEE 2008 MCQ

Hybridomas are employed for

A

Synthesis of antibiotics

B

Killing cancer cells

C

Synthesis of monoclonal (somaclonal) antibodies

D

Production of somatic hybrids

Question 66: Palette 66/102

Errorless NCERT; MP PMT 2003, 12 MCQ

The vaccine of Hepatitis-B is a

A

First generation vaccine

B

Interferon

C

Second generation vaccine

D

Third generation vaccine

Question 67: Palette 67/102

Errorless Kerala CET 2002 MCQ

ANDI is cloned

A

Sheep

B

Bull

C

Monkey

D

Cat

Question 68: Palette 68/102

Errorless MP PMT 2002; Odisha JEE 2008 MCQ

Kohler and Milstein developed biotechnology for the production of

A

Myelomas

B

Steroid conversion

C

Monoclonal antibodies

D

Immobilised enzymes

Question 69: Palette 69/102

Errorless MP PMT 2001 MCQ

Hybridoma technology was developed by

A

Taggart, 1982

B

Vitella et al., 1982

C

Prie and Saxton, 1987

D

Milstein and Kohier, 1975

Question 70: Palette 70/102

Errorless CBSE PMT 2000 MCQ

First cloned animal is

A

Dog

B

Molly

C

Dolly sheep

D

Polly sheep

Question 71: Palette 71/102

Errorless CPMT 2000; MP PMT 2003 MCQ

Trade name of genetically engineered insulin is

A

Anulin

B

Beta insulin

C

Humilin

D

Gilbert's insulin

Question 72: Palette 72/102

Errorless CBSE PMT 1999 MCQ

Humulin is

A

A form of chitin

B

A powerful antibiotic

C

A new digestive enzyme

D

Human insulin

Question 73: Palette 73/102

Errorless CBSE PMT 1999 MCQ

Hybridoma cells are

A

Nervous cells are

B

Hybrid cells resulting from myeloma cells

C

Only cells having oncogenes

D

Product of spore formation in bacteria

Question 74: Palette 74/102

Errorless MP PMT 1998 MCQ

The name of drug used in cancer treatment produced by biotechnology is [NCERT Pg. No. 142]

A

Interferon

B

HGH

C

TSH

D

Insulin

Question 75: Palette 75/102

Errorless MP PMT 1998 MCQ

The main technique involved in agricultural biotechnology is called [NCERT Pg. No. 164]

A

Tissue culture

B

Transformation

C

Plant breeding

D

DNA replication

Question 76: Palette 76/102

Errorless MP PMT 1998, 2006 MCQ

The new strain of bacteria produced by biotechnology in alcohol industry is

A

Escherichia coli

B

Saccharomyces cerevisiae

C

Bacillus subtilis

D

Pseudomonas putida

Question 77: Palette 77/102

Errorless MP PMT 1998 MCQ

Important objective of biotechnology in agriculture section is [NCERT Pg. No. 178]

A

To produce pest resistant varieties of plant

B

To increase the nitrogen content

C

To decrease the seed number

D

To increase the plant weight

Question 78: Palette 78/102

Errorless MP PMT 1998 MCQ

The prerequisites for biotechnological production of antibiotics is

A

To search an antibiotic producing microorganism

B

To isolate the antibiotic gene

C

To join antibiotic gene with E. coli plasmid

D

All of the above

Question 79: Palette 79/102

Errorless CBSE PMT 1995 MCQ

Which of the following correctly defines a transgenic animal

A

An animal which has foreign DNA and RNA in some of its cells because of an injection of DNA and RNA into the nucleus of the zygote from which it is developed

B

An animal which has foreign DNA in all its cells because of an injection of DNA into the nucleus of the zygote from which it is developed

C

An animal which has foreign DNA in some of its cells because of an injection of DNA into the nuclei of some of the cells of the blastocyst

D

An animal which has foreign DNA in all its cells because of an injection of DNA into the nuclei of some of the cells in adulthood

Question 80: Palette 80/102

Errorless MP PMT 1993 MCQ

Which one of the following pairs is not correctly matched

A

Plasmid Small piece of extrachromosomal DNA in bacteria

B

Interferon An enzyme that interferes with DNA replication

C

Cosmid A vector for carrying large DNA fragments into host cells

D

Myeloma Antibody-producing tumour cells

Question 81: Palette 81/102

Errorless MP PMT 1993 MCQ

"Tissue culture" means

A

Cultivation of tissue in laboratory through formation of new cells

B

Introduction of new tissue in an animal body

C

A technique for maintaining fragments of cells alive after their removal from an organism

D

Maintaining tissue alive by immersing it partially in a nutrient fluid

Question 82: Palette 82/102

Errorless MCQ

Which of the following is correctly matched?

A

Agrobacterium tumefaciens — Tumour

B

Thermus aquaticus — B-gene

C

pBR322 — Enzyme

D

Ligase — Molecular scissors

E

Hind II — Plasmid vector

Question 83: Palette 83/102

Errorless MCQ

Bt cotton is not

A

A GM plant

B

Insect resistant

C

A bacterial gene expressing system

D

Resistant to all pesticides

Question 84: Palette 84/102

Errorless MCQ

C-peptide of human insulin is

A

A part of mature insulin molecule

B

Responsible for formation of disulphide bridges

C

Removed during maturation of pro-insulin to insulin

D

Responsible for its biological activity

Question 85: Palette 85/102

Errorless MCQ

GEAC stands for

A

Genome Engineering Action Committee

B

Ground Environment Action Committee

C

Genetic Engineering Approval Committee

D

Genetic and Environment Approval Committee

Question 86: Palette 86/102

Errorless MCQ

A probe which is a molecule used to locate homologous sequences in a mixture of DNA or RNA molecules could be

A

A ssRNa

B

A ssDNA

C

Either RNA or DNA

D

Can be ssDNA but not ssRNA

Question 87: Palette 87/102

Errorless MCQ

Choose the correct option regarding Retrovirus[NCERT]

A

An RNA virus that synthesizes DNA during infection

B

A DNA virus that synthesizes RNA during infection

C

A ssDNA virus

D

A dsRNA virus

Question 88: Palette 88/102

Errorless MCQ

The site of production of ADA in the body is

A

Erythrocytes

B

Lymphocytes

C

Blood plasma

D

Osteocytes

Question 89: Palette 89/102

Errorless MCQ

A protoxin is

A

A primitive toxin

B

A denatured toxin

C

Toxin produced by protozoa

D

Inactive toxin

Question 90: Palette 90/102

Errorless MCQ

Pathophysiology is the [NCERT]

A

Study of physiology of pathogen

B

Study of normal physiology of host

C

Study of altered physiology of host

D

None of the above

Question 91: Palette 91/102

Errorless MCQ

The trigger for activation of toxin of Bacillus thuringiensis is

A

Acidic pH of stomach

B

High temperature

C

Alkaline pH of gut

D

Mechanical action in the insect gut

Question 92: Palette 92/102

Errorless MCQ

Golden rice is

A

A variety of rice grown along the yellow river in China

B

Long stored rice having yellow colour tint

C

A transgenic rice having gene for β– carotene

D

Wild variety of rice with yellow coloured grains

Question 93: Palette 93/102

Errorless MCQ

The first clinical gene therapy was done for the treatment of [NCERT Pg. No. 182]

A

AIDS

B

Cancer

C

Cystic fibrosis

D

SCID (Severe Combined Immuno Deficiency resulting form deficiency of ADA)

Question 94: Palette 94/102

Errorless MCQ

ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA[NCERT Pg. No. 182]

A

Adenosine deoxyaminase

B

Adenosine deaminase

C

Aspartate deaminase

D

Arginine deaminase

Question 95: Palette 95/102

Errorless MCQ

Following is a diagrammatic representation of maturation of insulin. Select the correct set of the names labelled A, B, C and D [NCERT Pg. No. 182]

A

A-Proinsulin, B-B Peptide, C-A Peptide, D-Free C Peptide

B

A-Proinsulin, B-A Peptide, C-B Peptide, D-Insulin

C

A-Proinsulin, B-A Peptide, C-B Peptide, D-Free C Peptide

D

A-Proinsulin, B-B Peptide, C-A Peptide, D-Insulin

Question 96: Palette 96/102

Errorless MCQ

Match the following columns and select the correct option Column-I with Column-II

Column-I	Column-II
(A) Bt cotton (B) Adenosine deaminase deficiency (C) RNAi (D) PCR	(P) Gene therapy (Q) Cellular defence (R) Detection of HIV infection (S) Bacillus thuringiensis

A

A-P, B-Q, C-R, D-S

B

A-S, B-P, C-Q, D-R

C

A-R, B-Q, C-P, D-S

D

A-Q, B-R, C-S, D-P

Question 97: Palette 97/102

Errorless MCQ

Given below are two statements Statement I: Bt toxins are insect group specific and coded by a gene cry İAc. Statement II : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic pH of the insect gut. In the light of the above statements, choose the correct answer from the options given below

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 98: Palette 98/102

Errorless MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) $\alpha$-1 antitrypsin (B) Cry IAb (C) Cry IAc (D) Enzyme replacement therapy	(P) Cotton bollworm (Q) ADA deficiency (R) Emphysema (S) Corn borer

A

A-Q, B-P, C-S, D-R

B

A-R, B-P, C-Q, D-S

C

A-R, B-S, C-P, D-Q

D

A-R, B-S, C-P, D-Q

Question 99: Palette 99/102

Errorless MCQ

Which of the following enzymes are used for manufacturing detergents

A

Proteases

B

Glucoamylases

C

Amylases

D

Lactases

Question 100: Palette 100/102

Errorless MCQ

Assertion : Ti plasmid obtained from Agrobacterium tumefaciens is effectively used as a vector for gene transfer in plant cells. Reason : The part of Ti plasmid transferred into the DNA of plant cells is called as T-DNA.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 101: Palette 101/102

Errorless MCQ

Assertion : GMO tomato Flavr Savr' has increased shelf life and better nutrient quality. Reason: This is achieved by reducing the amount of cellwalldegrading 3enzyme 'polygalacturonase' responsible for fruit softening.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 102: Palette 102/102

Errorless MCQ

Assertion : Transgenic mouse is termed as 'super mouse' because it is twice big in size than the normal mouse. Reason: In 'super mouse', the gene for human growth factor has been introduced and expressed.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.