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Who is not part from the class Arachnida? Scorpions starfish Ticks Spiders How m

ID: 78053 • Letter: W

Question

Who is not part from the class Arachnida? Scorpions starfish Ticks Spiders How many walking legs does scorpions have? 6 8 4 None of the above The ________ is thought to be the most intelligent invertebrate Octopus Squid Dolphin Whelk Millipedes and centepedes belong to which subphylum? Chelicerates Malacostracam Myriapods Lepidoptera All of the following groups fall under the group crustacean except? Braquipods Malacostracam Chelicerates none of the above Which limbs are responsible for the swimming action of shrimp? Endopodites Pleopods on abdomen and uropods Maxillepeds all of the above In crabs, the front waking legs has greatly enlarged. What action this might have? Communication Defense Feeding All of the above

Explanation / Answer

24. Who is not part from the class Arachnida

Answer: B) Starfish

Explanation: Starfish belongs to class Asteroidea of phylum Echinodermata.

25. How many walking legs does scorpion have?

Answer: B) 8

26. The ___________ is thought to be the most intelligent invertebrate

Answer: A) Octopus

Explanation: Cephalopods are the intelligent invertebrates like squid and octopus. However, the octopus is the most intelligent as per the study by biologists.

27. Millipedes and Centipedes belong to which subphylum?

Answer: C) Myriapods

Explanation: Myriapoda as name suggests Myriad = 10000, Pod = legs. Myriapoda is subphylum of arthropods containing millipedes and centipedes.

28. All of the following groups fall under the group crustacean except

Answer: C) Chelicerates

Explanation: Chelicerata is a different subphylum of Arthropoda which has spiders and scorpions.

29. Which limbs are responsible for the swimming actions of shrimp?

Answer: B) Pleopods on abdomen and uropods

30. in crab the front walking legs has greatly enlarged, what action this might have?

Answer: D) All the above

Explanation: Chela (Pincers) of crabs are helpful in defence, feeding and communication