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

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23 Questions

What is the main food source for Lac insects?

Sap of certain trees and shrubs

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

Abdomen

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

Due to atrophy from lack of movement

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

Abdomen

What is the color of a male lac insect?

Red

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

Males can feed while females cannot

What is lac primarily known as?

A natural animal resin

What is the process of obtaining lac called?

Lac culture

Who first discovered the insect that produces lac?

Father Tachard

Who gave the name Laccifer lacca to the lac insect?

Carter

When did the scientific study of lac begin?

1709

How does the male enter the female cell?

Through the anal tubular opening

What happens to the male after copulation?

It dies

How many eggs is a female capable of producing?

About one thousand eggs

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

Swarming

How do the larvae emerge from the female cell?

Through the anal tubular opening

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

200-500

What shape are male lac cells?

Elongated and cigar-shaped

Through which opening does the matured male lac insect emerge?

Posterior circular opening

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

What stage of development undergoes pseudopupation in lac insects?

Second stage larva

How does the male lac insect fertilize the female?

It enters the female cell for fertilization

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

To create the lac cell

Learn about the valuable scarlet product lac, its natural resin of animal origin secreted by the tiny lac insect. Explore the techniques of lac culture, including care of host plants, pruning, propagation, collection, and processing. Discover the history of lac's usage in India.

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