Free Biotechnology Principles And Processes (Weekly Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Restriction endonuclease - Hind II always cuts DNA molecules at a particular point by recognizing a specific sequence of

(a) four base pairs.

(b) five base pairs.

(c) six base pairs.

(d) seven base pairs.

Question-2

The DNA molecules to which the gene of interest is integrated for cloning is called :

(a) Vector

(b) Transformer

(c) Carrier

(d) Template

Question-3

DNA fragments are

(a) either positively or negatively charged depending on their size

(b) neutral

(c) negatively charged

(d) positively charged

Question-4

The below figure represents

(a) Simple stirred-tank bioreactor

(b) Sparged stirred-tank bioreactor

(c) Thermo regulator

(d) Power generator

Question-5

The given figure shows the E.Coli cloning vector PBR322 showing restriction sites. Some parts are labelled as A, B, C & D. Choose the option showing the correct labelling.

	A	B	C	D
(a)	Hind I	EcoR I	$amp^{R}$	ori
(b)	Hind I	BamH I	$kan^{R}$	$amp^{R}$
(c)	BamH I	Pst I	ori	$amp^{R}$
(d)	EcoR I	BamH I	$amp^{R}$	ori

(a) (a)

(b) (b)

(c) (c)

(d) (d)

Question-6

The construction of the first recombinant DNA was done by using the native plasmid of

(a) Salmonella typhimurium

(b) E. coli

(c) Bacillus thuringiensis

(d) Yeast

Question-7

Number of bacterial strains from which restriction enzymes have been isolated.

(a) 250

(b) 230

(c) 200

(d) 220

Question-8

The recognition site for Bam HI in pBR322 is present in

(a) tetracycline resistant site

(b) ampicillin resistant site

(c) ori site

(d) rop site

Question-9

The primary reason why the same basic techniques can be used to analyze the DNA from species as diverse as bacteria and humans is that

(a) every organism has the same amount of DNA.

(b) all cells are identical.

(c) the DNA sequences of all organisms are the same.

(d) DNA has a consistent structure in all organisms.

Question-10

An antibiotic resistance gene in a vector usually helps in the selection of

(a) Transformed cells

(b) Competent cells

(c) Recombinant cells

(d) None of the above