Question:
Which one of the following is an internal grain feeder?
Which one of the following is an internal grain feeder?
Show Hint
Internal grain feeders:
- Pulse beetle, Rice weevil, Lesser grain borer.
- External feeders: Khapra beetle, Red flour beetle, Indian meal moth.
- Pulse beetle, Rice weevil, Lesser grain borer.
- External feeders: Khapra beetle, Red flour beetle, Indian meal moth.
Updated On: Aug 27, 2026
- Pulse beetle
- Khapra beetle
- Rice meal moth
- Indian meal moth
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of stored grain pests and their feeding habits.
Step 2: Detailed Explanation:
Internal grain feeders are pests that feed inside the grain kernel.
Pulse beetle (Callosobruchus chinensis) is an internal feeder that lays eggs on pulses and the larvae feed inside the grain.
Khapra beetle (B): An external feeder (feeds on broken grains and dust).
Rice meal moth (C): An external feeder (feeds on flour and milled products).
Indian meal moth (D): An external feeder (feeds on stored products).
Thus, pulse beetle is an internal grain feeder.
Step 3: Final Answer:
Thus, the pulse beetle is an internal grain feeder, which corresponds to option (A).
[0.5cm]
This question tests knowledge of stored grain pests and their feeding habits.
Step 2: Detailed Explanation:
Internal grain feeders are pests that feed inside the grain kernel.
Pulse beetle (Callosobruchus chinensis) is an internal feeder that lays eggs on pulses and the larvae feed inside the grain.
Khapra beetle (B): An external feeder (feeds on broken grains and dust).
Rice meal moth (C): An external feeder (feeds on flour and milled products).
Indian meal moth (D): An external feeder (feeds on stored products).
Thus, pulse beetle is an internal grain feeder.
Step 3: Final Answer:
Thus, the pulse beetle is an internal grain feeder, which corresponds to option (A).
[0.5cm]
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