Chapter 7: Man & Environment - Biology For High School - Grade 10(Biology ) Questions and Answers

Question 1. Which of the following is the correct order for a simple food chain?
  1.    grasshopper, sparrow, grass, hawk
  2.    grass, grasshopper, sparrow, hawk
  3.    hawk, sparrow, grass, grasshopper
  4.    grass, hawk, grasshopper, sparrow
Explanation:-
Answer: Option B. -> grass, grasshopper, sparrow, hawk
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. Symbiosis is a relationship between the members of
  1.    same species
  2.    two species
  3.    different species
  4.    equal species
Explanation:-
Answer: Option C. -> different species
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. Considering the Earth's ecosystem, the consumers are classified as
  1.    autotrophs
  2.    heterotrophs
  3.    tertiary autotrophs
  4.    secondary autotrophs
Explanation:-
Answer: Option B. -> heterotrophs
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The process in which inorganic nutrients are enriched with water is called
  1.    industrialization
  2.    pollution
  3.    eutrophication
  4.    contamination
Explanation:-
Answer: Option C. -> eutrophication
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. Burning of petroleum produces
  1.    nitrogen dioxide
  2.    ammonium dioxide
  3.    sulphur dioxide
  4.    carbon dioxide
Explanation:-
Answer: Option C. -> sulphur dioxide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The hydrocarbons (alkanes and alkenes), oxides of nitrogen (NO, NO2) and Sulfur (SO, SO2, SO3) and fluorine (F2) are released by the
  1.    fertilizer industries
  2.    thermal industries
  3.    textile industries
  4.    steel industries
Explanation:-
Answer: Option A. -> fertilizer industries
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. The lakes and forests are best classified as examples of
  1.    artificial ecosystem
  2.    natural ecosystem
  3.    natural biosphere
  4.    artificial biosphere
Explanation:-
Answer: Option B. -> natural ecosystem
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The minerals are used as nutrients by
  1.    decomposer
  2.    producer
  3.    consumer
  4.    autotrophs
Explanation:-
Answer: Option B. -> producer
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The main component of many biomolecules is
  1.    carbon
  2.    sulphur
  3.    potassium
  4.    nitrogen
Explanation:-
Answer: Option D. -> nitrogen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. Where does Rhizobium live?
  1.    animal stomach
  2.    human intestine
  3.    animals brain
  4.    root nodules
Explanation:-
Answer: Option D. -> root nodules
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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