Question :
Nematocysts are present in:
Option 1:
Starfish
Option 2:
Ascaris
Option 3: Centipede
Option 4: Sea anemone
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Correct Answer: Sea anemone
Solution : The correct option is Sea anemone.
Nematocysts are specialised stinging cells found in a wide range of aquatic species, including sea anemones. Sea anemones employ these cells for defence and prey capture. When activated, nematocysts can expel a harpoon-like structure containing poisons, immobilising or killing tiny prey that comes into contact with the sea anemone's tentacles.
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Animals with Chitinous exoskeletons are:
Insects
Sponges
Option 3: Sea urchin
Option 4: Snails
Which of the following is the basic characteristic of a living organism?
Ability to breathe
Ability to reproduce
Option 3:
Ability to move
Option 4: Ability to eat
An eardrum is absent in:
Snakes
Turtle
Option 3: Tuatara
Option 4: Toads
The scavengers of earth are:
Bacteria
Viruses
Option 3: Algae
Option 4: Fungi
Bryophytes are often called amphibian plants because they:
appear like frog
are found both in water and on land
Option 3: do not have habitat preference
Option 4: can eat insects
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