India: Science ...

Study the following statements
$$1.$$ The Southern Blot technique is used for the detection of DNA.
$$2.$$ The Northern Blot technique is used for the detection of RNA.
Which of the statement(s) given above is/ are correct about blotting techniques?

First transgenic mouse grew twice the normal size after drinking.

Consider the following statements
$$1.$$ The first transgenic cow is Rosie.
$$2.$$ The milk of first transgenic cow contained the human alpha-lactalbumin.
Which of the statements given above is/ are correct about transgenic cow?

Which of the following is correct about the 'Monoclonal antibodies'?

Hybridoma technology is a new biotechnological approach for commercial production of _______________.

Consider the following statements
$$1.$$ Stem cell has the ability to develop into any type of cell.
$$2.$$ Tissue plasminogen activator is used for dissolving blood clots.
$$3.$$ Dextran is a plasma expander used in blood transfusion.
Which of the statement(s) given above is/ are correct?

The genetically engineered 'golden rice' is rich in which of the following?

The word organic on a food label is no guarantee that the food is ____________.

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
$$1.$$ Resist drought and increase absorptive area.
$$2.$$ Tolerate extremes of p.H.
$$3.$$ Resist disease infestation.
Select the correct answer using the codes given below.

Study the following statements
$$1.$$ The first transgenic crop was tobacco.
$$2.$$ A DNA library constitutes a collection of all the DNA fragments of an organism inserted in plasmid.
$$3.$$ Restriction fragment length polymorphism method is used to distinguish DNA of one individual from another.
$$4.$$ Agrobacterium tumefaciens is used extensively for genetic engineering in plant.
Which of the statements given above are true?