MCQ Bank
Lac granules are melted in a pot over an open........... fire.
- A) ordinary
- B) charcoal
- C) metallic
- D) electrical
Some beekeepers prefer ................frame hive bodies.
- A) five
- B) seven
- C) eight
- D) six
The lac insects show very distinct morphological differences and ………….dimorphism.
- A) Asexual
- B) sexual
- C)
- D)
There are ..............sericulture demonstration and training centers in Pakistan.
- A) five
- B) eight
- C) seven
- D) six
Lac male larvae develop into male adult insects and are without any ………………..
- A) legs
- B) wings
- C) all of these
- D) mouthparts
Liquid secretions from two large glands within the insect emerge from the ...................
- A) abdomen
- B) spinneret
- C) tail
- D) trunk
A single female lays an average of ......................eggs after fertilization and deposits inside the incubating chambers of the female cell.
- A) 200 to 400
- B) 200 to 500
- C) 200 to 300
- D) 200 to 600
A silk filament can be stretched about ......................percent beyond its original length before breaking.
- A) 20
- B) 10
- C) 30
- D) 40
……………mostly exist within a solitary phase with little to no threat to crops.
- A) grasshoppers
- B) caterpillar
- C) aphids
- D) wasps
Silk has good strength, resisting breakage when subjected to weights of about.................. grams (0.5 ounce) per denier.
- A) 3
- B) 3
- C) 1
- D) 4
Binomial name of lac insects is ………….
- A) Laccifer lacca
- B) Kerria lacca
- C)
- D)
..................................cluster on the tips of the shoots, sucking the sap from the plant, which reduces plant vigour.
- A) Cutworms
- B) Grasshoppers
- C) Aphids
- D) Caterpillars
The main types of liquid formulations are …………………….
- A) emulsions
- B) all of these
- C) solutions
- D) suspensions
A lac insect………….. is a sluggish and continuous feeder.
- A) Moth
- B) Pupa
- C) Larva
- D) Adult
Section comb...................... production is a specialized art requiring intense management and generally is not recommended for beginners.
- A) fiber
- B) honey
- C) silk
- D) wax
The silkworm ..................................builds its cocoon by producing and surrounding itself with a long, continuous fiber, or filament.
- A) caterpillar
- B) adult
- C) pupa
- D) moth
In some years, grasshoppers and locusts can appear in plagues in.........................and are capable of destroying all plants.
- A) spring
- B) winter
- C) summer
- D) autumn
A ……………….. and hive tool are essential for working bees
- A) Bee smoker
- B) Hive stand
- C) Hive bodies
- D) Bottom board
……………sap-sucking insects that can damage vegetables grown in the open and in greenhouses.
- A) caterpillars
- B) cutworms
- C) thrips
- D) whiteflies
The primary function of the queen excluder is to confine the ……………………………to the broodnest.
- A) pollen storage
- B) all of these
- C) queen
- D) brood rearing