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The presence of three pairs of legs is the characteristic feature of which class of Phylum Arthropoda?( Write in one word)

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Important Questions on Animal Diversity- I (Invertebrate Phyla)

HARD
Which one of the following insect does not live together in a colony like honeybees?
MEDIUM
What is the subphylum to which ticks and mites belong? How do you distinguish them from the insects with reference to their walking legs?
MEDIUM
What do you call the first and second pairs of cephalic appendages of a scorpion?
HARD
 Which one of the following insects does not live together in a colony like honeybees?
MEDIUM
What is the uniqueness about the first pairs of cephalic appendages of a crustacean compared to those of the other extant arthropods?
MEDIUM
At which stage plasmodium enters in the body of humans. Or Which of the following is the infected phase of plasmodium?
MEDIUM
Which arthropod have you studied is known as a 'living fossil'? Name its respiratory organs? 
MEDIUM
What are the respiratory structures of Limulus and Palamnaeus, respectively?
MEDIUM
What are antennae? What is the arthropod group without antennae?
HARD

Select the correct statements about snakes.

I. Only four types of poisonous snakes are found in our country.

II. Cobra is a poisonous variety of snakes.

III. A poisonous snake has four hollow tooth (fangs) through which the poison enters the body of a person when the snake bites.

IV. Medicine for snake bites is made from the snake's poison.

Which of the statements given above are correct?

HARD
Which of the following is set of diseases spread by mosquitoes?
MEDIUM
What do you call the perivisceral cavity of an arthropod? From where is it derived during development?