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What is true about earthworm, scorpion, cockroach, and silverfish?

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Important Questions on Animal Kingdom

MEDIUM
Which one of these animals is not a homeotherm?
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Which one of the following living organisms completely lacks a cell wall?
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Which of the following statements are true for the phylum-Chordata?

(a) In Urochordata, notochord extends from head to tail, and it is present throughout their life.

(b) In Vertebrata, the notochord is present during the embryonic period only.

(c) Central nervous system is dorsal and hollow.

(d) Chordata is divided into 3 subphyla: Hemichordata, Tunicata, and Cephalochordata.

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Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
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Consider following features:

  • Organ system level of organisation
  • Bilateral symmetry
  • True coelomates with segmentation of body.

Select the correct option of animal group which possess all the above characteristics:

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Select the taxon that represents both marine and freshwater species.
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In the given diagram of the typical chordate. Identify the parts labelled as 1, 2, 3, 4, 5 and select the correct option?

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Which of the following characteristics is mainly responsible for the diversification of insects on land?
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An important characteristic that Hemichordates share with Chordates is
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Which one of the following characteristics is not shared by birds and mammals?
MEDIUM

Statement (S): Chordates have a tail extending posterior to the anus. It contains skeletal elements and muscles but lacks coelom and visceral organs.

Reason (R): In aquatic organisms, it acts as a balancing organ.

MEDIUM
Select the option from the following having matching characteristics for the mentioned group without any exception:
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If the student wants to study the development of zygote, internal structure and function of various pairs to assign the organism to a particular phylum, the student takes the help of following branches?
MEDIUM

Given below are two statements: one is labelled as Assertion and the other is labelled as Reason.

Assertion: All vertebrates are chordates, but all chordates are not vertebrates.

Reason: Notochord is replaced by a vertebral column in the adult vertebrates.

In the light of the above statements, choose the most appropriate answer from the options given below:

MEDIUM
Write the difference between unisexual and bisexual animals. Give one example of each.
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In the case of Poriferans, the spongocoel is lined with flagellated cells called
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The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Which of the following features is not present in the phylum Arthropoda?