NCERT Class-9 Science Solutions: Chapter 7-Diversity in Living Organisms Part 5 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 28:

Hard calcium carbonate structures are used as skeleton by

  1. Echinodermata
  2. Protochordata
  3. Arthropoda
  4. Nematoda

Answer: A

Question 29:

Differentiation in segmental fashion occurs in

  1. Leech
  2. Starfish
  3. Snails
  4. Ascaris

Answer: A

Image the Leech

Question 30:

In taxonomic hierarchy family comes between

  1. Class and Order
  2. Order and Genus
  3. Genus and Species
  4. Division and Class

Answer: B

Image the Taxonomic Hierarchy Family

Question 31:

5-Kingdom classification has given by

  1. Morgan
  2. R. Whittaker
  3. Linnaeus
  4. Haeckel

Answer: B

Image the5-Kingdom

Question 32:

Well defined nucleus is absent in

  1. Blue green algae
  2. Diatoms
  3. Algae
  4. Yeast

Answer: A

Image the Blue Green Algae

Question 33:

The ‘Origin of Species’ is written by

  1. Linnaeus
  2. Darwin
  3. Hackle
  4. Whittaker

Answer: B

Image the Charles Darwin

Question 34:

Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect.

  1. Bilateral symmetrical body
  2. Body with jointed legs
  3. Cylindrical body
  4. Body with little segmentation

Answer: B

Image the Earthworm

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