Which of the nutrients is supplied by mycorrhiza to the plant?
A) Nitrogen
B) Phosphorus
C) Sulphur
D) Iron
Sexual dimorphism means:
A) Males and Females are separate
B) Males and Females are morphologically dissimilar
C) Female possesses didelphic ovaries
D) None of the above
Root rot of papaya could be controlled by application of:
A) Bordeaux mixture
B) Dithane M-45
C) Benelate
D) Calaxin
Pythium belongs to class:
A) Chytridiomycetes
B) Oomycetes
C) Zygomycetes
D) Hypochytridiomycetes
Root knot of vegetables is caused by:
A) Meloidogyne
B) Heterodera
C) Pratylenchus
D) Xanthomonas
The symptom of red rot of sugarcane is mostly found on:
A) Stem
B) Root
C) Leaf
D) Arrow
Oil from American elm seed contains 55 percent capric acid toxic to Ceratocystis ulmi, the pathogen causing the famous disease:
A) English elm
B) Dutch elm
C) American elm
D) French elm

Report Card

Total Questions Attempted: 0

Correct Answers: 0

Wrong Answers: 0

Percentage: 0%