NEET Biology Questions on Biotechnology – Principles and Processes| NEET Biotechnology Questions (MCQs) with Answers | Online Test No 07
NEET Biotechnology Questions : MCQs Test - 07
Question 1 |
Bacillus thuringiensis is used to control
Nematodes | |
Fungal pathogens | |
Bacterial pathogens | |
Insect pests |
Question 2 |
The genetically-modified (GM) brinjal in India has been developed for
Enhancing shelf life | |
Insect-resistance | |
Drought-resistance | |
Enhancing mineral content |
Question 3 |
The protein products of the following Bt toxin genes cry IA c and cry II Ab are responsible for controlling
Bollworm | |
Roundworm | |
Moth | |
Fruit fly |
Question 4 |
Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
Monoclonal antibody production | |
DNA fingerprinting | |
Recombinant DNA technology | |
Stemcell culture |
Question 5 |
Silencing of mRNA has been used in producing transgenic plants resistant to
Bollworms | |
Bacterial blights | |
White rusts | |
Nematodes |
Question 6 |
Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from
Bacteriophages | |
Bacterial cells | |
Plasmids | |
All prokaryotic cells |
Question 7 |
PCR proceeds in three distinct steps governed by temperature, they are in order of
Annealing, Synthesis, Denaturation | |
Synthesis, Annealing, Denaturation | |
Denaturation, Annealing, Synthesis | |
Denaturation, Synthesis, Annealing |
Question 8 |
Which of the following is correctly matched?
Ligase - Molecular scissors | |
Thermus aquaticus - Bt-gene | |
Agrobacterium tumefaciens - Tumour | |
Hind II - Plasmid vector |
Question 9 |
Sterilization of tissue culture medium is done by
mixing the medium with antifungal agents | |
filtering the medium through fine sieve | |
autoclaving of medium at 120° for 15 min | |
keeping the medium at –20°C |
Question 10 |
Biolistics (gene-gun) is suitable for
Constructing recombinant DNA by joining with vectors | |
Transformation of plant cells | |
Disarming pathogen vectors | |
DNA finger printing |
Question 11 |
An improved variety of transgenic basmati rice
Gives high yield and is rich in vitamin A | |
Does not require chemical fertilizers and growth hormones | |
Give high yield but has no characteristic aroma | |
Is completely resistant to all insect pests and diseases of paddy |
Question 12 |
In cloning of cattle a fertilized egg is taken out of the mother's womb and
in the eight cell stage the individual cells are separated under electrical field for further development in culture media | |
the egg is divided into 4 pairs of cells which are implanted into the womb of other cows | |
in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows. | |
from this up to eight identical twins can be produced |
Question 13 |
Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?
5′ CACGTA 3′; 3′ CTCAGT 5′ | |
5′ CGTTCG 3′; 3′ ATGGTA 5′ | |
5′ GATATG 3′; 3′ CTACTA 5′ | |
5′ GAATTC 3′; 3′ CTTAAG 5′ |
Question 14 |
Assertion: In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryote).
Reason: Both bacteria and yeast multiply very fast to form huge population, which express the desired gene.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. | |
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. | |
Assertion is true statement but Reason is false. | |
Both Assertion and Reason are false statements. |
Question 15 |
Compare the statements A and B.
Statement A: Synthesis of DNA takes place in the S-phase of interphase.
Statement B: Every chromosome, during metaphase, has two chromatids.
Choose the correct description :
Statement A is correct and B is wrong. | |
Statement A is wrong and B is correct. | |
Both the statements A and B are correct and A is not the reason for B. | |
Both the statements A and B are correct and A is the reason for B. |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 15 questions to complete.
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Q. 14 has both statements correct and the reason is pretty much valid…..no idea why it’s marked wrong
in q.no 14.is really doubtfully…the reason is correct “Both bacteria and yeast multiply very fast to form huge population, which express the desired gene.”..so y the ans is different..