Home
Class 12
BIOLOGY
Dragonflies are useful to get rid of...

Dragonflies are useful to get rid of

A

Aphids

B

Mosquitoes

C

Butterflies

D

Cochineal insect caterpillars

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Role of Dragonflies**: Dragonflies are known for their predatory behavior and are beneficial insects in ecosystems. They primarily feed on various pests, including mosquitoes. 2. **Identifying the Target Pests**: The question asks what dragonflies are useful for getting rid of. The main focus here is to identify the pests that dragonflies prey on. 3. **Analyzing the Options**: The options provided in the question include various insects and pests. We need to determine which of these dragonflies are known to control effectively. 4. **Evaluating Each Option**: - **Aphids**: These are small sap-sucking insects that are typically controlled by ladybirds, not dragonflies. - **Butterflies**: While they are insects, they are not typically targeted by dragonflies. Birds are more likely to prey on butterflies. - **Caucineal Insect Caterpillar**: These caterpillars are not the primary target of dragonflies. They are often controlled by other natural predators. - **Mosquitoes**: Dragonflies are well-known for their role in controlling mosquito populations, as they consume mosquitoes in all their life stages (larvae and adults). 5. **Conclusion**: Based on the analysis, dragonflies are particularly useful for getting rid of mosquitoes. Therefore, the correct answer is mosquitoes. **Final Answer**: Dragonflies are useful to get rid of **mosquitoes**. ---
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 36

    AAKASH INSTITUTE|Exercise EXAMPLE|35 Videos
  • MOCK TEST 38 ZOOLOGY

    AAKASH INSTITUTE|Exercise EXAMPLE|20 Videos

Similar Questions

Explore conceptually related problems

Dragonflies are used to get rid of

Dragonflies are used to get rid of

Ladybird is useful to get rid of

Assertion : Dragonflies can be used to decrease occurrence of diseases like malaria, dengue, etc. Reason : Baculoviruses are effective in controlling may insects and other arthropods.

Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is

Which of the following organisms is used to get rid of mosquitoes from the fields ?

Which of the following is a method used to get rid of particulate matter present in the exhaust from a thermal power plant ?