Insects and Their World Quiz

Grade 2 · Science · Quiz

Test your knowledge of insects, metamorphosis, and their importance!

Questions

1. Which of the following is an insect?

   1. Spider
   2. Crab
   3. Butterfly
   4. Worm
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   Answer: Butterfly

   A butterfly has 6 legs, 3 body parts, and an exoskeleton — it is an insect. Spiders have 8 legs (arachnid); crabs have 10 legs (crustacean).

2. All insects have three body parts: head, thorax, and abdomen.

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   Answer: True

   Every insect has exactly three body parts: head (with eyes and antennae), thorax (with legs and wings), and abdomen.

3. An insect uses its ___ to sense its surroundings.

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   Answer: antennae

   An insect's antennae are sensory organs on its head used to smell, touch, and sense vibrations.

4. What is the larva of a butterfly called?

   1. Chrysalis
   2. Nymph
   3. Caterpillar
   4. Grub
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   Answer: Caterpillar

   A butterfly larva is called a caterpillar. It eats leaves and grows until it forms a chrysalis (pupa).

5. Insects have an internal skeleton made of bones.

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   Answer: False

   Insects do not have internal bones. They have an exoskeleton — a hard outer shell that provides support and protection.

6. Which insect is famous for making honey?

   1. Ant
   2. Grasshopper
   3. Dragonfly
   4. Honeybee
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   Answer: Honeybee

   Honeybees are famous for collecting flower nectar and producing honey inside their hive.

7. The process of an insect changing form as it grows is called ___.

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   Answer: metamorphosis

   Metamorphosis is the growth process in which an insect transforms through different life stages.

8. Grasshoppers go through complete metamorphosis with four stages.

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   Answer: False

   Grasshoppers go through INCOMPLETE metamorphosis with only three stages: egg, nymph, and adult.

9. How do bees help plants?

   1. By eating their leaves
   2. By carrying pollen between flowers
   3. By digging around their roots
   4. By blocking sunlight
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   Answer: By carrying pollen between flowers

   Bees collect nectar and pollen from flowers; pollen on their bodies transfers to other flowers, enabling plants to reproduce.

10. The hard outer shell that protects an insect's body is called an ___.

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    Answer: exoskeleton

    An exoskeleton is the hard outer covering unique to insects and other arthropods. It provides protection and support.

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