Plant Physiology Questions And Answers.

1.Growth regulators, which control plant growth and development are called?
A. Secondary metabolites
B. Macro element
C. Nonessential elements
D. Phytohormone

2.Which of the following is NOT a plant hormone?
A. Corticosteroid
B. Brassinosteroid
C. Polyamines
D. Salicylic acid

3.Name the plant in which auxin was first discovered?
A. Mustard
B. Pea
C. Oats
D. Rice

4.Which of the following is NOT a naturally occurring auxin?
A. Indole 3-acetic acid (IAA)
B. Indole 3-butyric acid (IBA)
C. Phenyl acetic acid (PAA)
D. 2,4-D

5.Name the amino acid which acts as a precursor of auxin biosynthesis?
A. Serine
B. Tryptophan
C. Valline
D. Tyrosine

Read More..

Online Test : Take an Online Plant Physiology Aptitude Test Now!

Quick Links

GAT Subject

   Computer Science    English Mcqs    Agriculture    


   Computer Science    Civil Engineering    


   Networking    Electronics    Database    

Past Papers

   Model Papers    FPSC Papers