Previous post during last year was on Fruit Tree Problems: MCQs on Arecanut Diseases. This year I am continuing with other set of questions. You may answer these in comment section
Q 1 Phytophthora palmivora
causes _____________________ disease of cocoa
|
a. Seedling die
back |
c. Black pod disease |
|
b. Stem canker |
d. All the above |
Q 2 White thread blight is caused by
|
a. Marasmius scandens |
c. Botryodiplodia theobromae |
|
b. Colletotrichum gloeosporioides |
d. Oncobasidium theobromae |
Q 3 White thread blight spread
through
|
a. Contact of branches |
c. Contact of plant to plant |
|
b. Contact of mycelium |
d. Dead leaves carried by wind |
Q 4 Characteristic symptom(s) of Black
pod diseases of cocoa
|
a. Appearance
of brown spots on pods |
c. Both
a and b |
|
b. Discoloration
of brown spots & infected beans |
d. None of these |
Q 5 Favourable conditions for black
pod
|
a. High density plants accompanied with shady location with cool
temp. |
c. HDP with RH upto 90% and Temp 30-35oC |
|
b. High density plants in rainy weather with high temperature |
d. HDP with RH >95% and Temp 30-35oC |
Q 6 Charcoal pod rot of cocoa is
caused by
|
a. Marasmius scandens |
c. Botryodiplodia theobromae |
|
b. Colletotrichum gloeosporioides |
d. Oncobasidium theobromae |
Q 7 Asexual fruiting body produced
by Botryidiplodia theobromae
|
a. Acervulus |
c. Pseudothecium |
|
b. Pycnidia |
d. Apothecium |
Q 8 Causal organism of cocoa swollen
shoot is
|
a. Phytoplasma |
c. Bacteria |
|
b. Virus |
d. Fungus |
Q 9 Characteristic symptom of
cherelle rot is
|
a. Shrunken infected stalk with mummified fruit |
c. Both a. and b. |
|
b. Brown discolored beans under high humid conditions |
d. None of these |
Q 10 Vascular streak dieback of cocoa has been reported only from
|
a. Tamil Nadu |
c. Karnataka |
|
b. Kerala |
d. Telangana |
