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USHA PUBLICATION-ORGANISMS AND ENVIRONMENT-EXERCISE
- A biologist studied the population of rats in a barn . He found that t...
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- Which is not a parasitic adaptation :
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- Sigmoid // logistic growth curve is represented by :
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- Latitude range with maximum species diversity is :
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- What is represented by the sketch ? A , B , C , D is community of four...
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- Number of age groups in a population is :
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- Many tribes living in high altitudes of Himalayas have :
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- The two basic processes which contribute to a decrease in population d...
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- Which of the following interactions is / are examples of competition :...
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- Which Of the following is correct
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- The removal of keystone species will affect :
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- Which forest plants control light conditions at the ground ?
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- Sal ( Shorea robusta ) forest is a :
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- The plant which produces highly poisonous cardiac glycosides is :
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- Which helps in maintaining species diversity in a community ?
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- The interaction between the organisms of one of the following pairs is...
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- The first plants to appear in a badly burnt forest area will most prob...
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- Which statements correlate with diagram ?
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- Percentage ratio of natality over mortality is :
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- In the equation , dN/dt=rN((K - N)/K) r stands for :
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