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Our Environment — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceOur Environment5 Marks
Question
  1. Match the terms given in column I with the terms given in column II and column III having the same meaning:
  Column I Column II Column III
(i)
Secondary consumer
Herbivore
 $1^{\text {st }}$ trophic level
(ii)
Primary consumer
Autotroph
 $3^{\text {rd }}$ trophic level
(iii)
Producer
Carnivore
 $4^{\text {th }}$ trophic level
(iv)
Tertiary consumer
Large carnivore
$2^{\text {nd }}$ trophic level
  1. Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
✓

Answer

  1.  
  Columnm I Column II Column III
(i)
Secondary consumer
Carnivore
 $3^{\text {rd }}$ trophic level
(ii)
Primary consumer
Harbivore
 $2^{\text {nd }}$ trophic level
(iii)
Producer
Autotrop
 $1^{\text {st }}$ trophic level
(iv)
Tertiary consumer
Large carnivore
$4^{\text {th }}$ trophic level
  1. $\text{Grass}\ \ \ \ \ \ \xrightarrow{\ \ \ \ \ \ \ \ \ \ }\ \ \ \ \ \ \text{Grasshopper}\ \ \ \ \ \ \ \ \xrightarrow{\ \ \ \ \ \ \ }\ \ \ \ \ \ \ \ \ \ \ \text{Frog}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \xrightarrow{\ \ \ \ \ \ \ \ \ }\ \ \ \ \ \ \ \ \ \ \ \text{Bird}\\{^\text{Producer}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ {^\text{Primary consumer}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ {^\text{Secondary consumer}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ {^\text{Tertiary consumer}}\\ ^\text{Autotroph}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^\text{Herbivore}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^\text{Carnivore}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^\text{Large carnivore}\\^{\text{1}^\text{st}\text{ trophic level}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^{\text{2}^\text{nd}\text{ trophic level}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^{3{^\text{rd} \text{trophic level}}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^{4{^\text{th}\text{ trophic level}}}$

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