Define fungicide.

Mention the symptoms of leaf roller attack in mulberry and extent of damage.

Give the symptoms of muscardine in Bombyx mori larvae.

Describe the integrated pest management of Uzi fly.

Give the symptoms of virosis in Tasar silkworms.

B. Choose the correct answer.

Odontotermes sp. is the scientific name of

Cutworm

Jassid

Termite

Mealybug

Meloidogyne incognita causes

Root rot

Powdery mildew

Stem canker

Root knot (gall)

Carbendazim is the chemical name of

Furadan

Bavistin

Karathane

Kavach

DDVP 0·2% is the chemical control measure against

Wingless grasshopper

Thrips

Mealy bug

All of the above

Exposure of pierced/stifled cocoons to sunlight is a control measure against

Dermestid beetle

Uzi fly

White fly

Jassid

Uzi fly lays eggs

Away from silkworm body

In silkworm body

On silkworm body

None of the above

Bleaching powder solution for room disinfection is used at









(viii) Swollen intersegmental membrane is the typical symptom of

Infectious flacherie

Grasserie

Bacterial flacherie

Densonucleosis

The concentration of active ingredient in Carbendazim is

30%

50%

20%

15%

Virosis in tropical tasar silkworm is caused by

CPV

NPV

Both CPVand NPV

DNV

2. A. Answer the following in one sentence each:

How does reduviid bug attack tasar silkworms?

What causes seedling blight in castor?

What does the signal word ''WARNING" on a fungicide packet indicate?

Which disease of muga silkworm is called phularog

What is Blepharipa zebina

Which insect pest attacks stored cocoons?

Which is the recommended biological control agent of Uzi fly. attacking Bombyx mon

(viii) Define predisposing factors.

Which is the most commonly used bed disinfectant?

What is per os infection

What is the scientific name of the nematode that causes root knot in mulberry?

What is the chemical name of Dithane M-45

(xiii) What is the name of the symptom due to jassid attack in mulberry?

What is the common name of the pest, Holotrichia serrata

What is meant by safe period?

B. Match column A with column B

ColumnA ColumnB

Deltamethrin Room disinfectant
Staphylococcus Pebrine disease
Monocrop Physical control method
Chlorine dioxide An infective stage of a fungus
Phutuka Trioza fletcheri
Uzi trap A predator
Cryptolaemus montrouzieri A pest of tasar silkworm
(viii) Stink bug Pest outbreak
Leafgall Dermestid beetle control
Conidium Bacterial flacherie

3.A. Write short notes on the following:

Fusarium wilt

Chemical control of Uzi fly

Precautions to be taken while spraying the fungicides

Root rot disease

Sealing of anal lips and its control

B. Fill in the blanks.

Bacillus thuringiensis causes symptoms of in Bombyx mori.

Chain-type of excreta in tasar and oak. tasar silkworms is due to

Ichneumon fly is a of tasar silkworm.

While sucking the plant sap, aphids inject saliva into plant tissues.

Presence of multiple irregular holes on cocoons is the symptom caused by

is used for injecting fumigant into the soil.

Soil application of Furadan is the control measure against disease.

(viii) Presence of brownish irregular spots on the leaf surface is the characteristic symptom of disease in mulberry.

Immature stage of an insect
belonging to the order Coleoptera is called

Xanthopimpla predator is the parasite of silkworm.

C. Choose the correct answer.

Uzicide is

A maggoticide

An ovicide

Both and

Sprinkler irrigation is used for the control of

Mealy bug

Thrips

Jassid

Nursery-Guard contains

Bavistin

Benzoic acid

Trichoderma pseudokoningii

Tachina sp.is a

Pest of mulberry silkworm

Pest of oak tasar silkworm

Pest of en silkworm

White fly is a

Leaf eating pest

Sap feeding pest

Both and