Biology MCQ

Recognition sequence of restriction enzymes are generally ……………….. nucleotide long.

Recombinant protein ……………….. is used to dissolve blood clots present in the body.

Which of the following is the correct recognition sequence of restriction enzyme hind III.

In vitro amplification of DNA or RNA segment is known as ………………..

The enzyme nuclease hydrolyses ……………….. of polynucleotide chain of DNA.

MU The bacterium which causes a plant disease called crown gall is ………………..

Biopatent are awarded for ………………..

Indian patent does not allow ………………..

The transgenic cow born in Scotland, could produce a human protein in her milk for human therapeutics.

Artemecin is an ……………….. drug developed from transgenic plants.

To improve oil content and oil quality, ……………….. genes are transferred to soybean, oil palm, rapeseed and sunflower.

Ferritin, an iron storage protein, isolated from ……………….. and Phaseolus is transferred to ………………… to increase its iron content.

The enzyme affecting the shelf life of Jlavr savr tomato is ………………..

The gene coding for a-amylase inhibitor isolated from ……………….. is transferred to tobacco.

Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because ………………..

‘Cry’ genes are present in ………………..

Insect resistant GMO plants contain ………………..

First transgenic plant produced is …………………..

Bacillus is involved in the production of ……………….. vaccine that melts in mouth.

Tissue plasminogen activator and urokinase are used in the treatment of ………………..

Recombinant protein used in the treatment of emphysema is ………………..

Virosomes are ………………..

Bacterial host cell takes up naked r-DNA by process of ………………..

Plasmid DNA containing foreign DNA is called ………………..

Ti plasmids are present in ………………..

Select the incorrect statement.

……………….. is Type III endonulcease.

……………….. generates DNA fragments with sticky ends.

The molecular scissors of DNA are ………………..

Restriction enzymes were discovered by ………………..

During PCR new strand of DNA is synthesized by ………………..

Annealing temperature of primer is ………………..

During denaturation step of polymerase chain reaction, the reaction mixture is heated at ………………..

……………….. technique is used for in vitro gene cloning or gene multiplication.

PCR technique was developed by ………………..

How many of the following statements are correct with reference to electrophoresis.
1. DNA is positively charged and it moves towards the negative electrode.
2. DNA is negatively charged and it moves towards the anode.
3. Longer DNA fragments move faster during electrophoresis.
4. Shorter DNA fragments move slowly during electrophoresis.

Modern biotechnology includes ………………..

Recombinant DNA technique was established by ………………..

Biopatent are awarded for ………………..

Indian patent does not allow ………………..

The transgenic cow born in Scotland, could produce a human protein in her milk for human therapeutics.

Artemecin is an ……………….. drug developed from transgenic plants.

To improve oil content and oil quality, ……………….. genes are transferred to soybean, oil palm, rapeseed and sunflower.

Ferritin, an iron storage protein, isolated from ……………….. and Phaseolus is transferred to ………………… to increase its iron content.

The enzyme affecting the shelf life of Jlavr savr tomato is ………………..

The gene coding for a-amylase inhibitor isolated from ……………….. is transferred to tobacco.

Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because ………………..

‘Cry’ genes are present in ………………..

Insect resistant GMO plants contain ………………..

First transgenic plant produced is …………………..

Bacillus is involved in the production of ……………….. vaccine that melts in mouth.

Tissue plasminogen activator and urokinase are used in the treatment of ………………..

Recombinant protein used in the treatment of emphysema is ………………..

Virosomes are ………………..

Bacterial host cell takes up naked r-DNA by process of ………………..

Plasmid DNA containing foreign DNA is called ………………..

Ti plasmids are present in ………………..

Select the incorrect statement.

……………….. is Type III endonulcease.

……………….. generates DNA fragments with sticky ends.

The molecular scissors of DNA are ………………..

Restriction enzymes were discovered by ………………..

During PCR new strand of DNA is synthesized by ………………..

Annealing temperature of primer is ………………..

During denaturation step of polymerase chain reaction, the reaction mixture is heated at ………………..

……………….. technique is used for in vitro gene cloning or gene multiplication.

PCR technique was developed by ………………..

How many of the following statements are correct with reference to electrophoresis.
1. DNA is positively charged and it moves towards the negative electrode.
2. DNA is negatively charged and it moves towards the anode.
3. Longer DNA fragments move faster during electrophoresis.
4. Shorter DNA fragments move slowly during electrophoresis.

Modern biotechnology includes ………………..

Recombinant DNA technique was established by ………………..