Asexual and Sexual Reproduction in Plants — BIO BOTANY STD 12 — Question

Assertion (A) : Pleiotropic gene affects multiple traits
Reason (R) : ABO blood group is an example for Pleiotropism

Assertion (A) : Development of root from callus is called caulogenesis.
Reason (R) : Caulogenesis is the final step of protoplasmic fusion.

The term ‘Genetics’ was introduced by __________

Identify the plant tissue used for virus-free germplasm

Pick out the co-mutagen from the following:

Statement (I): The first invaded plants in a barren area are called as pioneers.
Statement (II): Marsh meadow stage of hydrosere succession is also called as amphibious stage.

Assertion (A): Black pepper is a spice.
Reason (R): Condiments are flavouring substances, generally added after the cooking of food.

Today more than restriction enzymes have been isolated.

During cross over, chiasma occurs between

Match column I with column II

Column I	Column II
A. One gene one enzyme hypothesis	i. Kohler and Milstein
B. Monoclonal antibodies	ii. Kary Mullis
C. First transgenic animal	iii. Beadle and Tatum
D. Development of PCR technology	iv. Ian Wilmet