Plant Breeding and Genetics

Colour blindness is a________? A. S*x linked trait B. S*x influenced trait C. S*x limited trait D. None of above

The centre of origin of sunflower is__________? A. East AsiaB. North America C. West Africa D. South America

The seed of sunflower is called_________? A. SamaraB. Achene C. Caryopsis D. Phyxis

The disc florets of sunflower is__________? A. Pistillate B. StaminateC. Bisexual D. Usually sterile

The ray florets of sunflower is usually? A. SterileB. Pistillate C. Bisexual D. Staminate

The oil content in sunflower is________? A. 25-35% B. 50-60% C. 35-40% D. 45-55%

Which one of the following is not a cereal crop? A. Paddy B. WheatC. Sorghum D. Maize

Reciprocal recurrent selection was proposed by___________________? A. Hays and limner (1950)B. Constock et al (1949) C. Allard (1955) D. Hull (1935)

Convergent improvement was proposed by________________? A. Jones (1920)B. Richy (1920) C. Hays (1919) D. East (1920)

The concept of diallel selective mating was developed by____________________? A. brim (1966) B. Jensen (1952)C. Jensen (1970) D. Russel (1978)