TDC Part III Paper V Group D 1: Introduction to Lac Culture and Life Cycle of Lac Insect

Play an AI-generated podcast conversation about this lesson

What is the main food source for Lac insects?

Ber and Babul shrubs

Kusum and Palas trees

Sap of certain trees and shrubs (correct)

Arhar and Khair trees

Which part of the female lac insect secretes the bulk of lac for commerce?

Thorax

Abdomen (correct)

Head

Antennae

Why do female lac insects lose their eyes, wings, and legs?

Due to atrophy from lack of movement (correct)

Due to sunlight exposure

Due to mating behavior

Due to parasitic infection

Which part of the male lac insect's body contains the penis?

Abdomen Signup and view all the answers

What is the color of a male lac insect?

Red Signup and view all the answers

How do male lac insects differ from females in terms of feeding capability?

Males can feed while females cannot Signup and view all the answers

What is lac primarily known as?

A natural animal resin Signup and view all the answers

What is the process of obtaining lac called?

Lac culture Signup and view all the answers

Who first discovered the insect that produces lac?

Father Tachard Signup and view all the answers

Who gave the name Laccifer lacca to the lac insect?

Carter Signup and view all the answers

When did the scientific study of lac begin?

1709 Signup and view all the answers

How does the male enter the female cell?

Through the anal tubular opening Signup and view all the answers

What happens to the male after copulation?

It dies Signup and view all the answers

How many eggs is a female capable of producing?

About one thousand eggs Signup and view all the answers

What is the process called when the larvae begin to wander in search of a suitable centre to fix them?

Swarming Signup and view all the answers

How do the larvae emerge from the female cell?

Through the anal tubular opening Signup and view all the answers

What is the average number of eggs a female can produce?

200-500 Signup and view all the answers

What shape are male lac cells?

Elongated and cigar-shaped Signup and view all the answers

Through which opening does the matured male lac insect emerge?

Posterior circular opening Signup and view all the answers

What is the function of the waxy white filaments protruding from the female cell?

To prevent the blocking of the pore during excess secretion of lac Signup and view all the answers

What stage of development undergoes pseudopupation in lac insects?

Second stage larva Signup and view all the answers

How does the male lac insect fertilize the female?

It enters the female cell for fertilization Signup and view all the answers

What is the purpose of the resinous substance secreted by the lac larvae?

To create the lac cell Signup and view all the answers