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SSC Selection Post 2023 PYQ — Question 33

SSC Selection Post - Higher Secondary Level 2023 - 27 June 2023 - Shift 3 • General Awareness • Q33

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Match the columns.

Phylum                    Animal

i. Protozoa               a. Roundworm
ii. Nematoda            b. Amoeba
iii.  Arthropoda          c. Star fish
iv. Echinodermata   d. Cockroach

 

 

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e. i - b, ii - a, iii - d, iv - c.

i. Protozoa → b. Amoeba
ii. Nematoda → a. Roundworm
iii. Arthropoda → d. Cockroach
iv. Echinodermata → c. Star fish

More information

  • Protozoa are a group of unicellular, microscopic organisms that belong to the kingdom Protista.
    • Examples: Amoeba, Paramecium, Euglen and Plasmodium.
  • Nematoda: Nematoda, commonly known as roundworms, is a phylum of invertebrate animals characterized by their elongated, cylindrical, and unsegmented bodies.
  • Arthropoda is the largest phylum in the animal kingdom and includes invertebrates with jointed limbs, segmented bodies, and exoskeletons made of chitin.
    • Examples: insects, spiders, scorpions, crabs, crayfish, shrimp, cockroaches.
  • Echinodermata is a phylum of exclusively marine invertebrates.
    • Examples: starfish, brittle stars, sea urchins, sand dollars and sea cucumbers.