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Test: Animal Kingdom- Basis of Classification (April 13) - NEET MCQ


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10 Questions MCQ Test - Test: Animal Kingdom- Basis of Classification (April 13)

Test: Animal Kingdom- Basis of Classification (April 13) for NEET 2024 is part of NEET preparation. The Test: Animal Kingdom- Basis of Classification (April 13) questions and answers have been prepared according to the NEET exam syllabus.The Test: Animal Kingdom- Basis of Classification (April 13) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Animal Kingdom- Basis of Classification (April 13) below.
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Test: Animal Kingdom- Basis of Classification (April 13) - Question 1

Study carefully the given flow chart and fill in the blanks (A), (B), (C), (D) and (E).

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 1

(A) Cellular level
(B) Radial symmetry
(C) Bilateral symmetry
(D) Pseudocoelomates
(E) Coelomates

Test: Animal Kingdom- Basis of Classification (April 13) - Question 2

The given figure shows a cross section of the body of an invertebrate. Identify the animal which has such body plan.

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 2

The animals in which the coelom is absent are called acoelomates, for example flatworms (Planaria). In them the space between ectoderm and endodorm is filled with parenchyma derived from mesoderm.

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Test: Animal Kingdom- Basis of Classification (April 13) - Question 3

Diploblastic and triplo blastic are terms that describe

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 3

(i) Diploblastic animals have two germinal layers (ectoderm and endoderm) during embryonic development
Example: Poriferans.
(ii) Triploblastic animals have three germinal layers (ectoderm, mesoderm and endoderm) during embryonic development
Example: Platyhelminthes.

Test: Animal Kingdom- Basis of Classification (April 13) - Question 4

Read the given statements and select the correct option.
Statement 1: All triploblastic animals are eucoelomates.
Statement 2: They have a false coelom.

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 4
  • Animals that belong to the phylum Platyhelminthes to Chordata are all triploblastic.
  • But Platyhelminthes and aschelminthes belong to pseudocoelomates.
  • Annelids, arthropods, echinoderms and chordates are under eucoelomates. This means not all triploblastic animals are eucoelomates. 
  • Pseudocoelomates have false coelom while eucoelomate animals only have the true coelom. 

Hence, both statement 1 and statement 2 are incorrect. 

Test: Animal Kingdom- Basis of Classification (April 13) - Question 5

Which of the following is correctly matched?

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 5

Coelenterates have radial symmetry. Aschelminth are pseudocoelomates. Molluscs do not show metamerit Sponges are diploblastic.

Test: Animal Kingdom- Basis of Classification (April 13) - Question 6

Which of the following statements is incorrect with regard to bilateral symmetry?

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 6

Bilateral symmetry is defined as the symmetry in which animals can be divided into two halves in one plane only, and these halves are identical to each other. The organisms have paired body organisms that occur on both sides of the body; if this will not happen then the symmetry will no longer remain. This type of symmetry is found in all vertebrates and few invertebrates. Some invertebrates also show radial symmetry, for example, animals belonging to coelenterates, ctenophores and echinoderms. These organisms can be divided into two identical haves through any plane passing through the central axis. So, the incorrect statement regarding bilateral symmetry is option C.

Test: Animal Kingdom- Basis of Classification (April 13) - Question 7

Select the correct matching of animals, their symmetry, organisation and coelom type.

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 7

Platyhelminthes are triploblastic, acoelomate organism showing bilateral symmetry. Ctenophores have borads symmetry, are acoelomates having diploblastic organisation. In echinoderms, larvae have bilateral symmetry whiled add have radial symmetry. They are coelomates with triplobla organisation. Annelids are triploblastic, coelomaterorganism showing bilateral symmetry.

Test: Animal Kingdom- Basis of Classification (April 13) - Question 8

The figures given below show the types of coelom. Identify them and select the correct group of organisms which possess them.

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 8

Figure 'A' is of coelomates (Annelids), Figure 'B' is a pseudo-coelomates (Aschelminthes) and Figure 'C' is a acoelomates (Plathyhelminthes).

Test: Animal Kingdom- Basis of Classification (April 13) - Question 9

Which of the following are correct?
(i)Diploblastic:Poriferans, Coelenterates
(ii)Triploblastic:Platyheliminthes to Chorodates
(iii)Acoelomate:Poriferans,Coelenterates,Platyhelminthes
(iv)Pseudocoelomate:Aschelminthes /Roundworms
(v)Eucoelomate:Annelids to Chordates

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 9

(i) Diploblastic - Poriferans, Coelenterates

(ii) Triploblastic - Platyhelminthes to Chordates

(iii) Acoelomate - Poriferans, Coelenterates, Platyhelminthes

(iv) Pseudocoelomate - Aschelminthes/Roundworms

(v) Eucoelomate - Annelids to Chordates

So, the correct answer is '(i), (ii), (iii), (iv) and (v)'.

Test: Animal Kingdom- Basis of Classification (April 13) - Question 10

Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.

Detailed Solution for Test: Animal Kingdom- Basis of Classification (April 13) - Question 10

A - Ectoderm
B - Endoderm
C - Mesoglea
D - Mesoderm
So, the correct answer is 'A - Ectoderm, B - Endoderm, C - Mesoglea, D - Mesoderm'.

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