Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

How did Eli Lilly synthesise the human insulin? Mention one difference between this insulin and the one produced by the human pancreas.

A cross was carried out between two pea plants showing the contrasting traits of height of the plant. The result of the cross showed 50% of parental characters.

1. Work out the cross with the help of a Punnet square.
2. Name the type of the cross carried out.

What are various public health measures, which you would suggest as safeguard against infectious diseases?

In a flowering plant a microspore mother cell produce four male gametophytes while a megaspore mother cell form only one female gametophyte. Explain.

Explain any one feature necessary for cloning in a vector.

Certain attributes of innate immunity are given in the table below. Identify A, B, C, D, E and Frespectively in it.

S.No.	Type of barrier	Example of the barrier	Function
(і)	А	B	Prevent microbial growth
(ii)	C	Polymorpho nuclear leucocytes	D
(iii)	Cytokine	E	F

Write the use of the following in biotechnology.
Plasmid.

Give differences between GIFT and ZIFT

Give picture which Representing global biodiversity: proportionate number of species of major taxa of plants, invertebrates and vertebrates.

Can you suggest a method to remove oil (hydrocarbon) from seeds based on your understanding of rDNA technology and chemistry of oil?