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

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?

<p>Abdomen (B)</p> Signup and view all the answers

What is the color of a male lac insect?

<p>Red (D)</p> Signup and view all the answers

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

<p>Males can feed while females cannot (C)</p> Signup and view all the answers

What is lac primarily known as?

<p>A natural animal resin (A)</p> Signup and view all the answers

What is the process of obtaining lac called?

<p>Lac culture (D)</p> Signup and view all the answers

Who first discovered the insect that produces lac?

<p>Father Tachard (D)</p> Signup and view all the answers

Who gave the name Laccifer lacca to the lac insect?

<p>Carter (C)</p> Signup and view all the answers

When did the scientific study of lac begin?

<p>1709 (C)</p> Signup and view all the answers

How does the male enter the female cell?

<p>Through the anal tubular opening (C)</p> Signup and view all the answers

What happens to the male after copulation?

<p>It dies (A)</p> Signup and view all the answers

How many eggs is a female capable of producing?

<p>About one thousand eggs (C)</p> 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?

<p>Swarming (A)</p> Signup and view all the answers

How do the larvae emerge from the female cell?

<p>Through the anal tubular opening (B)</p> Signup and view all the answers

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

<p>200-500 (B)</p> Signup and view all the answers

What shape are male lac cells?

<p>Elongated and cigar-shaped (C)</p> Signup and view all the answers

Through which opening does the matured male lac insect emerge?

<p>Posterior circular opening (B)</p> Signup and view all the answers

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

<p>To prevent the blocking of the pore during excess secretion of lac (A)</p> Signup and view all the answers

What stage of development undergoes pseudopupation in lac insects?

<p>Second stage larva (C)</p> Signup and view all the answers

How does the male lac insect fertilize the female?

<p>It enters the female cell for fertilization (A)</p> Signup and view all the answers

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

<p>To create the lac cell (B)</p> Signup and view all the answers

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