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What is special with Dragonfly eyes ?

Dragonfly3.JPG
Very small eyes
Large multifaceted eyes
Single eye
No eyes


It is characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body.

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Who eat(predators of) Dragonfly (Bird/Animal) ?

Lizards
Frogs
Spiders
All


Though dragonflies are predators, they themselves are subject to predation by birds, lizards, frogs, spiders, fish, water bugs, and even other large dragonflies.

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In which type of environment, Dragonflies usually live ?

Dry
Water
Hot
Cool


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Dragonflies can lay up to _____ eggs at time.

250
580
800
720


Dragonflies can lay up to 800 eggs at time.

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What is considered a good luck in terms of dragonfly ?

Capture a dragonfly
Kill a dragonfly
Landing of dragonfly on the head
None


Having a dragonfly land on your head is considered good luck.

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What is the group name for Dragonfly ?

Army
Group
Assembly
Swarms


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How many times dragonfly flaps its wings in a second ?

25
30
40
45


A bee flaps its wings about 300 times per second, but a dragonfly flaps its wings at only about 30 beats per second.

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What was the size of largest wingspan of dragonfly ?

2.5 foot
3.2 foot
3.5 foot
1.8 foot


The largest fossil found had a 2 ½ foot wingspan, and currently there are dragonflies in Costa Rica that measure 7 ½ inches across the wings.

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How many lens exists in dragonfly eyes ?

250
1000
5000
None


A dragonfly’s eyes have about 30,000 lenses and a dragonfly can see all the way around it, but they don’t see details very well.

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How many mosquito can be eaten by a dragonfly in one day ?

30 to 50
30 to 100
30 to 150
30 to 200


Dragonflies, which eat insects as adults, are a great control on the mosquito population. A single dragonfly can eat 30 to hundreds of mosquitoes per day.

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