In genetic engineering, a DNA segment (gene) of
interest, is transferred to the host cell through a
vector. Consider the following four agents (i-iv) in
this regard and select the correct option about which
one or more of these can be used as a vector/vectors.
(i) Bacterium (ii) Plasmid
(iii)Plasmodium (iv) Bacteriophage
(a) (i), (ii) and (iv) (b) (i) only
(c) (i) and (iii) (d) (ii) and (iv)

1 Answer

Answer :

(d) (ii) and (iv)

Related questions

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

Description : Two microbes found to be very useful in genetic engineering are (a) crown gall bacterium and Caenorhabditis elegans (b) Escherichia coli and Agrobacterium tumefaciens (c) Vibrio cholerae and a tailed bacteriophage (d) Diplococcus sp. and Pseudomonas sp

Last Answer : (b) Escherichia coli and Agrobacterium tumefaciens

Description : Match the following diseases with the causative organism and select the correct option. Column-I Column-II A. Typhoid (i) Wuchereria B. Pneumonia (ii) Plasmodium C. Filariasis (iii) Salmonella D. Malaria (iv) Haemophilus A B C D (a) (i ... (i) (ii) (c) (ii) (i) (iii) (iv) (d) (iv) (i) (ii) (iii)

Last Answer : (b) (iii) (iv) (i) (ii)

Description : Match the organism with its use in biotechnology. (A) Bacillus (i) Cloning vector thuringiensis (B) Thermus (ii) Construction of first aquaticus rDNA molecule (C) Agrobacterium (iii)DNA polymerase tumefaciens (D) Salmonella (iv) Cry proteins ... (ii) (c) (iii) (ii) (iv) (i) (d) (iii) (iv) (i) (ii)

Last Answer : (b) (iv) (iii) (i) (ii)

Description : All of the following may be used as expression vectors except (A) Plasmid (B) Bacteriophage (C) Baculovirus (D) E. coli

Last Answer : Answer : D

Description : 7. In a recombinant DNA technology a plasmid vector must be cleaved by a) the same enzyme that leaves the donor gene b) modified DNA ligase c) a heated alkaline solution d) four separate enzymes

Last Answer : a) the same enzyme that leaves the donor gene

Description : Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus ... (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (iv) (i) (ii) (iii)

Description : Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) ( ... ) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Last Answer : (a) (iii) (iv) (i) (ii)

Description : Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) ( ... ) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Last Answer : d) (iii) (i) (iv) (ii)

Description : DNA or RNA segment tagged with a radioactive molecule is called (a) vector (b) probe (c) clone (d) plasmid.

Last Answer : (b) probe

Description : Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Last Answer : (a) it is circular DNA which have capacity to join to eukaryotic DNA

Description : The linking of antibiotic resistance gene with the plasmid vector became possible with (a) DNA polymerase (b) exonucleases (c) DNA ligase (d) endonucleases.

Last Answer : (c) DNA ligase

Description : Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophage B.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing

Last Answer : D.A possible gene predicted by DNA sequencing

Description : Define and explain the following terms:  i. Zero vector (Null vector)  ii. Resultant vector  iii. Negative vectors iv. Equal vectors 

Last Answer : Define and explain the following terms: i. Zero vector (Null vector) ii. Resultant vector ... vectors iv. Equal vectors v. Position vector

Description : Read the following four statements, (i), (ii), (iii) and (iv) and select the right option having both correct statements. Statements : (i) Z scheme of light reaction takes place in presence of PSI only. (ii) Only PSI is ... and (iv) (b) (i) and (ii) (c) (ii) and (iii) (d) (iii) and (iv)

Last Answer : (a) (ii) and (iv)

Description : Select the two correct statements out of the four (i - iv) statements given below about lac operon. (i) Glucose or galactose may bind with the repressor and inactivate it. (ii) In the absence of lactose, the repressor binds with the ... (iii) (b) (i) and (iii) (c) (ii) and (iv) (d) (i) and (ii)

Last Answer : (c) (ii) and (iv)

Description : In genetic engineering, the antibiotics are used (a) as selectable markers (b) to select healthy vectors (c) as sequences from where replication starts (d) to keep the cultures free of infection.

Last Answer : (a) as selectable markers

Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

Description : 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

Last Answer : (a) Adenovirus

Description : A gene whose expression helps to identify transformed cell is known as (a) vector (b) plasmid (c) structural gene (d) selectable marker.

Last Answer : (d) selectable marker.

Description : A gene whose expression helps to identify transformed cell is known as : (1) Vector (2) Plasmid (3) Structural gene (4) Selectable marker

Last Answer : 4) Selectable marker

Description : Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.

Last Answer : d) Sticky ends can be joined by using DNA ligases.

Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.

Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses

Description : Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems (a) I, II, III, IV (b) I, III, II, IV (c) II, III, I, IV (d) II, III, IV, I

Last Answer : c) II, III, I, IV

Description : Which of the following operations can be performed by using FTP. i) Connect to a remote host ii) Select directory iii) Define the transfer mode iv) List file available A) i, and ii only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii and iv

Last Answer : D) All i, ii, iii and iv

Description : Which of the following operations can be performed by using FTP. i) Connect to a remote host ii) Select directory iii) Define the transfer mode iv) List file available A) i, and ii only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii and iv

Last Answer : C) ii, iii and iv only

Description : Antibiotic resistance gene in a plasmid cloning vector -Biology

Last Answer : answer:

Description : Match the following and select the correct option. A. Earthworm (i) Pioneer species B. Succession (ii) Detritivore C. Ecosystem service (iii)Natality D. Population growth (iv) Pollination A B C D (a) (i) (ii) (iii) (iv) (b) (iv) (i) (iii) (ii) (c) (iii) (ii) (iv) (i) (d) (ii) (i) (iv) (iii)

Last Answer : (d) (ii) (i) (iv) (iii)

Description : Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the ... i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (ii) (iii) (iv) (i)

Description : Match column I with column II and select the correct option using the codes given below. Column I Column II A. Citric acid (i) Trichoderma B. Cyclosporin A (ii) Clostridium C. Statins (iii)Aspergillus D. Butyric acid (iv) Monascus (a) A- ... -(iv), C-(ii), D-(iii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Last Answer : (b) A-(iii), B-(i), C-(iv), D-(ii)

Description : Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct ... v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)

Last Answer : c) (ii) (iv) (iii) (v)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Clostridium butylicum (i) Cyclosporin-A (B) Trichoderma polysporum (ii) Butyric acid (C) Monascus purpureus (iii) Citric acid (D) Aspergillus niger (iv) Blood cholesterol lowering agent

Last Answer : b) (ii) (i) (iv) (iii)

Description : Match the following sexually transmitted diseases (column I) with their causative agent (column II) and select the correct option. Column I Column II A. Gonorrhoea (i) HIV B. Syphilis (ii) Neisseria C. Genital warts (iii) Treponema D. ... iii) (i) (c) (iv) (iii) (ii) (i) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

Description : Match column I with column II and select the correct option using the given codes. Column I Column II A. Mons pubis (i) Embryo formation B. Antrum (ii) Sperm C. Trophectoderm (iii)Female external genitalia D. Nebenkern (iv) Graafian ... (i), C-(iv), D-(ii) (d) A-(i), B-(iv), C-(iii), D-(ii

Last Answer : (b) A-(iii), B-(iv), C-(i), D-(ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Placenta (i) Androgens (B) Zona pellucida (ii) Human Chorionic Gonadotropin (HCG) (C) Bulbourethral glands (iii) Layer of the ovum (D) Leydig cells (iv) ... (ii) (iii) (c) (iii) (ii) (iv) (i) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

Description : Match column I with column II and select the correct option using the codes given below. Column I Column II A. Pistils fused together (i) Gametogenesis B. Formation of gametes (ii) Pistillate C. Hyphae of higher (iii) Syncarpous ascomycetes D ... , C-(iv), D-(iii) (d) A-(iii), B-(i), C-(iv), D-(ii)

Last Answer : (d) A-(iii), B-(i), C-(iv), D-(ii)

Description : Match the following hormones with their respective disease. (A) Insulin (i) Addison's disease (B) Thyroxin (ii) Diabetes insipidus (C) Corticoids (iii)Acromegaly (D) Growth hormone (iv) Goitre (v) Diabetes mellitus Select the correct option ... (iii) (c) (ii) (iv) (iii) (i) (d) (v) (iv) (i) (iii)

Last Answer : (d) (v) (iv) (i) (iii

Description : Match the following columns and select the correct option. Column-I Column-II (A) Pituitary gland (i) Grave's disease (B) Thyroid gland (ii) Diabetes mellitus (C) Adrenal gland (iii) Diabetes insipidus (D) Pancreas (iv) Addison's disease ... (i) (iv) (c) (iii) (i) (iv) (ii) (d) (ii) (i) (iv) (iii)

Last Answer : (c) (iii) (i) (iv) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Organ of Corti (i) Connects middle ear and pharynx (B) Cochlea (ii) Coiled part of the labyrinth (C) Eustachian tube (iii) Attached to the oval window (D) Stapes (iv) Located on the basilar membrane

Last Answer : (C) Eustachian tube (iii) Attached to the oval window

Description : Match the following joints with the bones involved: (1) Gliding joint (i) Between carpal and metacarpal of thumb (2) Hinge joint (ii) Between atlas and axis (3) Pivot joint (iii) Between the carpals (4) Saddle joint (iv) Between humerus and ... ), (4)-(i) (d) (1)-(i), (2)-(iii), (3)-(ii), (4)-(iv)

Last Answer : (a) (1)-(iii), (2)-(iv), (3)-(ii), (4)-(i)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Floating ribs (i) Located between second and seventh ribs (B) Acromion (ii) Head of the humerus (C) Scapula (iii) Clavicle (D) Glenoid cavity (iv) Do ... ) (ii) (iv) (c) (iii) (ii) (iv) (i) (d) (iv) (iii) (i) (ii)

Last Answer : (d) (iv) (iii) (i) (ii)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Glycosuria (i) Accumulation of uric acid in joints B. Gout (ii) Mass of crystallised salts within the kidney ... (iii) (iv) (c) (ii) (iii) (i) (iv) (d) (iv) (i) (ii) (iii)

Last Answer : (d) (iv) (i) (ii) (iii)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II (Function) (Part of excretory system) A. Ultrafiltration (i) Henle's loop B. Concentration (ii) Ureter of urine C. ... (ii) (iii) (c) (v) (iv) (i) (ii) (d) (v) (iv) (i) (iii)

Last Answer : (b) (iv) (i) (ii) (iii)

Description : Match the column - I with column - II. Column-I Column-II (A) P-wave (i) Depolarisation of ventricles (B) QRS complex (ii) Repolarisation of ventricles (C) T-wave (iii) Coronary ischaemia (D) Reduction in the size of T- wave (iv) ... ) (i) (ii) (iii) (c) (iv) (i) (ii) (v) (d) (ii) (i) (v) (iii)

Last Answer : (b) (iv) (i) (ii) (iii)

Description : Match the following columns and select the correct option. Column-I Column - II (A) Eosinophils (i) Immune response (B) Basophils (ii) Phagocytosis (C) Neutrophils (iii) Release histaminase, destructive enzymes (D) Lymphocytes (iv) ... (iii) (c) (i) (ii) (iv) (iii) (d) (ii) (i) (iii) (iv)

Last Answer : (a) (iii) (iv) (ii) (i)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II (A) Tidal volume (i) 2500 - 3000 mL (B) Inspiratory reserve (ii) 1100 - 1200 mL volume (C) Expiratory reserve (iii ... i) (iv) (ii) (c) (i) (iv) (ii) (iii) (d) (iv) (iii) (ii) (i)

Last Answer : (b) (iii) (i) (iv) (ii)

Description : Match the following structures with their respective location in organs. (A) Crypts of Lieberkuhn (i) Pancreas (B) Glisson's Capsule (ii) Duodenum (C) Islets of Langerhans (iii) Small intestine (D) Brunner's Glands (iv) Liver Select the ... ii) (iv) (c) (ii) (iv) (i) (iii) (d) (iii) (iv) (i) (ii)

Last Answer : (d) (iii) (iv) (i) (ii)