The disc florets of sunflower is__________?

A. Pistillate
B. Staminate
C. Bisexual
D. Usually sterile

The seed of sunflower is called_________?

A. Samara
B. Achene
C. Caryopsis
D. Phyxis

The centre of origin of sunflower is__________?

A. East asia
B. North america
C. West africa
D. South america

Colour blindness is a________?

A. S*x linked trait
B. S*x influenced trait
C. S*x limited trait
D. None of above

Male sterility is absence of_________?

A. Functional pollen
B. Sterile pollen
C. Sterile anther
D. All of these

Self-incompatibility is controlled by_________?

A. Multiple alleles
B. Polygenes
C. Plasmogenes
D. Both b and c

Earliest method of plant breeding?

A. Introduction
B. Mutation
C. Hybridization
D. Selection

The leaf without petiole is referred as__________?

A. Petiolate
B. Sessile
C. Stipulate
D. Pilose

The template of translation is________?

A. Trna
B. Mrna
C. Rrna
D. None of these

In which form plant uptake phosphorus?

A. H2po4
B. Hpo4-2
C. Both
D. Non of these