Question:

Which of the following waste products in grasshopper is not excreted and is used in other metabolic activities?

Updated On: Aug 1, 2022
  • Carbon dioxide
  • Water
  • Uric acid
  • Faeces
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The Correct Option is B

Solution and Explanation

Excretory organs of grasshopper are the Malpighian tubules and the main excretory product is uric acid. Malpighian tubules of insects such as grasshoppers not only help to excrete the waste but also function to conserve water, which is then used in other metabolic activities. In the Malpighian tubules, bicarbonates of potassium and sodium, water and uric acid are formed during the process of excretion. A large amount of water and bicarbonates of potassium and sodium are reabsorbed by the cells of Malpighian tubules and then transferred to the blood (haemolymph). Uric acid is carried to the alimentary canal of the insect and is finally passed out through anus.
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Concepts Used:

Animal Kingdom

Animals are eukaryotic, multicellular species that belong to the Kingdom Animalia. Every animal has a distinct characteristic. They get energy either by feeding on plants or on other animals. There are millions of species that have been recognized, few shares similar characteristics while others vary drastically.

Kingdom Animalia comprises all animals. In the midst of the five kingdoms, the largest kingdom is the animal kingdom. Animals are multicellular eukaryotes. Though, like plants, they do not possess chlorophyll or a cell wall. Therefore, members of the animal kingdom indicate a heterotrophic mode of nutrition. Kingdom Animalia is further classified into ten different subphyla based on their body designs or differentiations.

The different phyla of the Kingdom Animalia are as follows:

  1. Porifera
  2. Coelenterata (Cnidaria)
  3. Platyhelminthes
  4. Nematoda
  5. Annelida
  6. Arthropoda
  7. Mollusca
  8. Echinodermata
  9. Hemichordata
  10. Chordata

Read More: Classification of Animal Kingdom