MCQ
The two antibiotic resistance genes on vector $pBR322$ are for
- ✓Ampicillin and Tetracycline
- BAmpicillin and Chloramphenicol
- CChloramphenicol and Tetracycline
- DTetracycline and Kanamycin
✓
Answer
Correct option: A.
Ampicillin and Tetracycline
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$A$ : During evolution the early time period was without ozone layer.
$R$ : Ozone layer absorbs $U.V.$ rays to some extent.
→$R$ : Ozone layer absorbs $U.V.$ rays to some extent.
Under certain conditions scientists have obtained cell$-$like structures. These are known as:
→Which of the following ecosystem has the highest gross primary productivity?
............... join foreign $DNA$ to plasmid
→→
Given below are four statements pertaining to separation of $DNA$ fragments using gel electrophoresis. Identify the incorrect statements
→$(a)\; DNA$ is negatively charged molecule and so it is loaded on gel towards the Anode terminal
$(b) \;DNA$ fragments travel along the surface of the gel whose concentration does not affect movement of $DNA.$
$(c)$ Smaller the size of $DNA$ fragment larger is the distance it travels through it.
$(d)$ Pure $DNA$ can be visualized directly by exposing UV radiation.
Choose correct answer from the options given below
$\text{DNA}$ ligase helps in:
→Choose the right combination
→| Column $ -I$ | Column $ -I$ |
| $A.$ Escherichia coli | $I.$ Nif gene |
| $B.$ Rhizobium melilotae | $II.$ Digestive hydrocarbon of crude oil |
| $C.$Bacillus thuringiensis | $III.$ Production of human insulin |
| $D.$Pseudomonas putida | $IV.$Biological control of fungal disease |
| $V.$ Biodecomposed insectiside |
The poisonous substance released as a result of ruputring of schizont in $ R.B.Cs. $ of malarial patient is
→The term ‘Survival of Fittest’ was used by: