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Animal Kingdom

AIPMT 2006MCQEasy📈 Topic in 75% papers+4−1
Ques. 1AIPMT 2006

Metameric segmentation is the characteristic of

  1. Mollusca and Chordata
  2. Platyhelminthes and Arthropoda
  3. Echinodermata and Annelida
  4. Annelida and Arthropoda

Answer

(4) Annelida and Arthropoda

Solution

As per NCERT, in some animals the body is externally and internally divided into segments with a serial repetition of at least some organs; this pattern is called metameric segmentation (metamerism), e.g. earthworm.

∵ Metamerism is shown by Annelida and Arthropoda.

∵ Mollusca, Platyhelminthes and Echinodermata are unsegmented ⇒ options (1), (2) and (3) are wrong.

Answer: (4)

Keep practising — Animal Kingdom

Ques. 2AIPMT 2006

Which one of the following is a matching set of a phylum and its three examples?

  1. Porifera - Spongilla, Euplectella, Pennatula
  2. Cnidaria - Bonellia, Physalia, Aurelia
  3. Platyhelminthes - Planaria, Schistosoma, Enterobius
  4. Mollusca - Loligo, Teredo, Octopus
Ques. 3AIPMT 2006

Which one of the following has an open circulatory system?

  1. Octopus
  2. Pheretima
  3. Periplaneta
  4. Hirudinaria
Ques. 4AIPMT 2005

In contrast to annelids the platyhelminthes show

  1. absence of body cavity
  2. bilateral symmetry
  3. radial symmetry
  4. presence of pseudocoel.
Ques. 5AIPMT 2005

From the following statements select the wrong one

  1. Prawn has two pairs of antennae.
  2. Nematocysts are characteristic of the phylum Cnidaria.
  3. Millipedes have two pairs of appendages in each segment of the body.
  4. Animals belonging to phylum Porifera are marine and fresh water.
Ques. 6AIPMT 2005

Which one of the following characters is not typical of the class Mammalia?

  1. Thecodont dentition
  2. Alveolar lungs
  3. Ten pairs of cranial nerves
  4. Seven cervical vertebrae
Ques. 7AIPMT 2004

In Arthropoda, head and thorax are often fused to form cephalothorax, but in which one of the following classes, is the body divided into head, thorax and abdomen?

  1. Insecta
  2. Myriapoda
  3. Crustacea
  4. Arachnida and Crustacea
Ques. 8AIPMT 2004

The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the Phylum

  1. Annelida
  2. Mollusca
  3. Cnidaria
  4. Echinodermata
Ques. 9AIPMT 2004

One of the following is a very unique feature of the mammalian body

  1. homeothermy
  2. presence of diaphragm
  3. four chambered heart
  4. rib cage
Ques. 10AIPMT 2003

Sycon belongs to a group of animals, which are best described as

  1. unicellular or acellular
  2. multicellular without any tissue organization
  3. multicellular with a gastrovascular system
  4. multicellular having tissue organization, but no body cavity.
Ques. 11AIPMT 2003

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively

  1. redia and miracidium
  2. cercaria and redia
  3. metacercaria and cercaria
  4. miracidium and metacercaria

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