ZOO506 Quiz by Sir Arslan

ZOO-506 Addition 2 · CURRENT PAPER FILE (2021) · Lion group of zoologist · Special instruction from sir Arslan

Zoo 506 ka paper files arha he compelet papers solve krny k liy ap ko lion ki meri old file yaad krni hogi us file video b mery channel py jaoof he ko b dekh skty hen us k baad ye file is file me curre nt paper me jo question hen jo purani lion ki file me nehi thy type krdiy gy hen so apko 2no file krni hongi…

yee old file he is file k baad ye current question ki file yaad kry mcq b isi file me majood hen …

1. damages of red cotton bug

Red cotton bug: Dysdercus cingulatus

Family : Pyrrhocoridae Order : Hemiptera

Symptom of damage

Red stained lint and rotting bolls. Inner boll wall with warty growth or water soaked spots Young bolls abort and turn dark brown The bacterium Nematospora gossypii enters the site of injury and stains the fiber.c

1. Physical control method name

The extremes of both temperature and humidity, either high or low, are not only effective barriers in the natural control of insects But they are also useful in artificial control Light and electricity are other factors that come under this heading

Physical Factor Controlling Insects · 1. Heat · 2. Cold · 3. Moisture · 4. Light 5. Electricity · 2. Symptoms of mealy bugs

Sugarcane Mealy Bug SYMPTOMS OF DAMAGE

1. Nymph and adult suck juice from cane in group & reduces vigour of the plant
2. It also attack roots
3. Honey dew secretion leads to development of Sooty mould which gives blackish appearance to canes.

3. how new plant species cause Insects outbreak

Factors of insect outbreak: In the course of the development of agriculture, man has increased the number and magnitude of his entomological problems Introduction of new plant species: Before the settlement of this country there were, of course, native insects attacking the various plants growing here.

4. Which device are use in electro cuting of insect

Devices are available for electrocuting insects a. I-Some in the form of electrical window screens for flies b. II-Others as electric light traps for moths and beetles63

5. How agg of sugarcane top borer look like .

• Dull white elongate eggs
• Covered by buff coloured hairs from female anal truft Dead heart in grown up canes reddish brown in color which cannot be easily pulled

6. Methods of plowing and cultivation in cultural

Time and method of plowing and cultivating form a fourth factor in the cultural control of insects.

1. Many insect pests overwinter in larval or pupal cells in the ground
2. These cells can often be broken up by fall plowing so the insects will not survive the winter
3. Cultivation in the summer frequently breaks up pupation cells
4. But plowing or cultivation to be effective must be timed according to the life history of the insect that is being controlled, otherwise it is useless.
5. For the control of some insects it is necessary to refrain from cultivation at certain times
6. The depth of plowing varies sometimes according to the habits of the insect.

7. Characteristics of order Orthoptera

Characteristics 0f order Orthoptera

1. 1. This order includes: Indian House Crickets, Field Cricket, Short-horned, Grasshoppers, Katydid (Long-horned Grasshoppers)
2. 2. Mouthparts: Chewing
3. 3. Metamorphosis: Incomplete Metamorphosis
4. 4. Damage: Chewing leaves, Crop grains
5. 5. Over 20,000 species worldwide
6. Name of the sugarcane early shoot borer.