Solutions - CBSE Class 10 Sample Paper for 2022 Boards - Science [MCQ]

Class 10
Solutions to CBSE Sample Paper - Science Class 10

Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion? 

(A) They can get rid of excess water by transpiration. 

(B) They selectively filter toxic substances through their leaves. 

(C) Waste products are stored as resins and gums in old xylem. 

(D) They excrete waste substances into the soil around them. 

 

Answer - 

Excreation In plants-01.jpg

In Plant Excretion

  • They get rid of excess water by transpiration
  • Plants cannot selectively filter toxic substances through their leaves. 
  • Waste products are stored as resins and gums in old xylem. 
  • They excrete waste substances into the soil around them.

 

So, only option (B) - They selectively filter toxic substances through their leaves is incorrect

So, the correct answer is (b)  

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo