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1.
In grazing food chain energy comes from
2.
The amount of usable energy, which is available for doing work, when the temperature and pressure are uniform throughout the system is called
3.
Which one of the following is correct for xerarch succession?
4.
Biotic components refer to
5.
Which one of the following is correct matching of a plant, its habitat and the forest type where it normally occurs?
6.
Select the options that correctly identifies 
and 
in the given table
and in the given table
|
Organisms |
Trophic Level |
Types of Food Chains |
|
Eagle Earthworm
C |
A Primary consumer Secondary consumer |
Grazing B
Grazing |
7.
What is common in earthworm, soil mites and dung beetle in an ecosystem?
8.
Which one of the following is involved in sedimentary cycle?
9.
Which of the following pyramid is always upright and can never be inverted?
10.
Choose the correct statements
I. Productivity is expressed in
or (kcal 
II. The amount of biomass or organic matter produced per unit area over a time period in plants during photosynthesis is called primary production
III. Primary production is expressed in term of weight
or energy 
IV. Sugarcane have more efficiency to trap sunlight, so they accumulate more primary productivity
Choose the correct option
I. Productivity is expressed in
or (kcal II. The amount of biomass or organic matter produced per unit area over a time period in plants during photosynthesis is called primary production
III. Primary production is expressed in term of weight
or energy IV. Sugarcane have more efficiency to trap sunlight, so they accumulate more primary productivity
Choose the correct option