Biology Questions and Answers – Classification of Animal Kingdom into Different Phylum-3

This set of Zoology Questions for Entrance Exams focuses on “Classification of Animal Kingdom into Different Phylum-3”.

1. Which among the following is incorrect about Arthropoda?
a) This is the second largest phylum of Animalia Kingdom
b) They have jointed legs due to which they are named Arthropoda
c) Their jointed legs help them in fast mobility
d) Their body is bilaterally symmetrical
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2. Which among the following statements is incorrect about Arthropoda?
a) Their Exoskeleton is made of chitin which helps them from extreme conditions
b) They are triploblastic, segmented and hemocoelomate animals
c) Some of these animals are dioecious and others are monoecious
d) Internal fertilization is seen in terrestrial animals and external fertilization is noticed in aquatic animals
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3. Which among the following is incorrect about reproduction in Arthropoda?
a) They are dioecious
b) Internal fertilization takes place in the case of terrestrial arthropods
c) These are mostly viviparous organisms
d) Development of embryo is either direct or indirect
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4. Which among the following is not correct about Arthropods?
a) Their body consists of three parts, namely, head, thorax and abdomen
b) Their respiratory organs can be either lungs or gills
c) Their digestive system is complete with mouth, esophagus, intestines and rectum
d) They have a heart and blood vessels to supply blood to the organs of the body
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5. Ganglia fuse to form brain in Arthropods.
a) True
b) False
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6. Which among the following is incorrect about Annelids?
a) The name Annelids is derived from the word “Annulus” which means small ring like structure
b) Some of these organisms are dioecious while few others are monoecious
c) The level of organization in these organisms is organ level of organization
d) The circulatory system is of open type
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7. Arthropods excrete through ___________
a) Malpighian tubules
b) Pores
c) Nephridia
d) Kidneys
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8. Which among the following is incorrect about nervous system in Annelids?
a) Each segment has ganglia that help in the muscular movements
b) They have two ventral nerve chords throughout the body
c) Specialized sensory receptors to help in sense of touch and light
d) The pigmented photo receptors are called Oceli
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9. Which among the following is incorrect about nervous system in Nematodes?
a) Nerve ring made of four ganglia serves as brain
b) Nerve chords are present on the dorsal and ventral side of their body
c) Dorsal nerves act as sensory nerves of the body
d) Ventral nerves act as both motor controllers and sensory nerves of the body
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10. Which among the following is incorrect?
a) Nereis is a monoecious and Pheretima are dioecious
b) Annelids have a complete digestive system with Pharynx, Esophagus, Stomach and Intestines
c) Annelids possess heart and blood vessels
d) Locusta is one of the sociable Arthropods
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Sanfoundry Global Education & Learning Series – Biology – Class 11.

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