Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for Competitive -paper24

MULTIPLE QUESTIONS FOR COMPETITIVE EXAM

(B.Sc. Agriculture)

Phyllody of sesamum is transmitted by

(a) Adult thrips (c) Adult jassid

(b ) Aphid (d) Mite

Khaira disease of rice is controlled by spraying :

(a) Copper sulphate

(c) Borax

(b) Manganese sulphate

(d) Zinc sulphate

The disease responsible for the great Bengal famine in 1942-43 is :

(a) Rice blast

(c) Wheat rust

(b) Brown spot of rice

(d) Take all disease of wheat

The whip smut of sugarcane is caused by :

(a) Ustilago maydis

(c) Ustilago maydis

(b) Ustilago scitaminea

(d) Ustilago scitaminea

Partial root parasite of sorghum is :

(a) Cuscuta

(c) Orobanche

(b) Striga

(d) Loranthus

Total root parasite of tobacco is

(a) Cuscuta

(c) Orobanche

(b) Striga

(d) Loranthus

Mungbean yellow mosaic virus is secondary transmitted by

(a) Whitefly

(c) Jassid

(b) Thrips

(d) Aphid

Root knot disease of tobacco is effective control by

(a) Carbendazim

(c) Thirum

(b) Carbofuran

(d) Mancozeb

Stem rot of groundnut pathogen survives in the form of

(a) Sclerotia

(c) Oospores

(b) Chlamydospores

(d) Conidia

Which insect is transmitted bud necrosis of groundnut?

(a) Aphid

(c) Jassid

(b) Thrips

(d) Mite

Which type of soil is most favored for root knot nematode ?

(a) Sandy soil

(c) Heavy black

(b) Clay soil

(d) Calcareous soil

Rhizome rot pathogen of turmeric is transmitted by

(a) Rhizome

(c) Air

(b) Leaf

(d) Non of them

White rust of mustard is caused by

(a) Puccinia graminis

(c) Puccinia recondita

(b) Puccinia arachidis

(d) Albugo candida