Environmental Asiignment No 1

10 Questions | By Swapnil4world | Last updated: Mar 21, 2022 | Total Attempts: 282

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1.

The natural place of an organism or community is known as
- A.
  
  Habit
- B.
  
  Habitat
- C.
  
  Biome
- D.
  
  Niche
2.

Which is the renewable exhaustible natural energy resource?
- A.
  
  Coal
- B.
  
  Petroleum
- C.
  
  Kerosene
- D.
  
  Biomass
3.

An orchid living on a tree exhibit
- A.
  
  Predator
- B.
  
  Parasite
- C.
  
  Commensalism
- D.
  
  Heterocytes
4.

Which statement is correct with respect to the food chain?
- A.
  
  Every component of food chain forms trophic level
- B.
  
  Inter-relation between different food chains is known as a food web
- C.
  
  All the chains formed by nutritional relations is used to understand energy flow.
- D.
  
  All of the above
5.

Which of the following requires maximum energy?
- A.
  
  Secondary consumer
- B.
  
  Primary producer
- C.
  
  Primary consumer
- D.
  
  Decomposer
6.

Which is not the characteristic of a population?
- A.
  
  Natality
- B.
  
  Mortality
- C.
  
  Stratification
- D.
  
  Sex retio
7.

The ability of a population to increase under ideal environmental conditions is called
- A.
  
  Natality
- B.
  
  Biotic potential
- C.
  
  Carrying capacity
- D.
  
  Absolute natality
8.

In an ecosystem, the energy flow is always
- A.
  
  Always unidirectional
- B.
  
  Always Bidirectional
- C.
  
  In any Direction
- D.
  
  Always down direction
9.

“The pyramid of energy is always upright” states that
- A.
  
  The energy conversion efficiency of herbivores is better than carnivores
- B.
  
  The energy conversion efficiency of carnivores is better than herbivores
- C.
  
  Producers have the lowest energy conversion efficiency
- D.
  
  Energy conversion efficiency is the same in all trophic levels
10.

Plant species with a wide range of genetic distribution evolve into a local population known as
- A.
  
  Ecotype
- B.
  
  Population
- C.
  
  Ecosystem
- D.
  
  Biomass

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