Free Biotechnology Principles And Processes (Daily Quiz: 10) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

We can cut DNA with the help of

(a) RNAase

(b) DNAase

(c) Knife

(d) Restriction enzyme

Question-2

The treatment of host cell with divalent cation leads to the

(a) increased efficiency with which DNA enters the bacterium

(b) change in permeability of DNA

(c) decreased efficiency with which DNA enters the bacterium

(d) change in permeability of host

Question-3

The method(s) that is/are used to differentiate recombinants and non-recombinants is/are

(a) insertional inactivation

(b) antibiotic affected gene

(c) gene cloning

(d) Both (a) and (b)

Question-4

Match Column I with Column II and identify the correct option.

Column - I	Column - II
A. Primers	I. PCR
B. Separation and purification of products	II. $C_{2}H_{5}$OH
C. Precipitation of DNA	III. Uptake of foreign DNA by bacterium
D. Transformation	IV. Down stream processing

Codes:

(a) A – IV; B – I; C – III; D – II

(b) A – II; B – I; C – IV; D – III

(c) A – IV; B – I; C – II; D – III

(d) A – I; B – IV; C – II; D – III

Question-5

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands.
What is so special shown in it?
5′ _____ GAATTC _____ 3′
3′ _____ CTTAAG _____ 5′

(a) Start codon at the 5′ end

(b) Deletion mutation

(c) Replication completed

(d) Palindromic sequence of base pairs