1. Which fungicide is used for the control of downy mildew?
A) Karathane
B) Ridomil MZ
C) Thiram
D) Captan
2. Sclerotia are formed in which fungus
A) Pythium
B) Claviceps
C) Physoderma
D) Rhizopus
3. Aflatoxins are produced by
A) Alternaria burnsii
B) Fusarium graminearum
C) Cladosporium spp.
D) Aspergillus flaxus
4. An example of autoecious rust is
A) Stem rust of wheat
B) Bajra rust
C) Apple rust
D) Linseed rust
5. Rice tungro disease is caused by
A) A mixture of spherical and flexous viruses.
B) A bacilliform virus alone.
C) A mixture of bacilliform and flexous virus.
D) A mixture of spherical and bacilliform virus
6. Yellow and Witches broom symptoms caused by
A) Viroid
B) Fungus
C) phytoplasma
D) Bacteria
7. Bacillus thuringiensis is used for the control of
A) Diamondback moth
B) Fruit-sucking moth
C) Thrips
D) Aphids
8. Trichogramma chilonis parasitoid used for the control of
A) Bollworm of cotton
B) White fly
C) Aphid
D) Thrips
9. Melanagromyza obtusa is a pest of-
A) Red gram
B) Tomato
C) Potato
D) Mustard
10. Diamondback moth is a pest of
A) Cotton
B) Cabbage
C) Rice
D) Soybean
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