Sonali Phanase, Dr. M. Gangakhedkar, Tejal Shinde, Rahul Jawale and, Rachel Fernandes Solutions for Chapter: Organisms and Environment - I, Exercise 3: Evaluation Test

Which group of living organisms given below is a link in food chain between green plants and hawk?

In an ecosystem, which of the following are important component?

Montreal protocol refers to

Greenhouse effect is the cumulative result of the influence of certain gases. Identify the gas which is not involved in this influence

If $30 \mathrm{J}$ of energy is trapped by green plants, then how much green energy will be available to snake in the following chain?

Grass-Insect-Frog-Snake

Which of the following factors are important while understanding the process of energy flow?

$\left(\mathrm{i}\right)$ The efficiency of producers in absorption and conversion  of solar energy

$\left(\mathrm{ii}\right)$ Use of converted solar energy by consumers

$\left(\mathrm{iii}\right)$ The total input of energy in form of food and its efficiency of assimilation

$\left(\mathrm{iv}\right)$ The loss of energy through, respiration, heat and excretion

$\left(\mathrm{v}\right)$ The gross net production

Which of the following is considered as the structure of ecosystem?

Which of the following statements are correct about ecological succession?

$\left(\mathrm{i}\right)$ Primary succession is very slow process

$\left(\mathrm{ii}\right)$ Secondary succession is faster process than primary succession

$\left(\mathrm{iii}\right)$ Primary succession is very fast process

$\left(\mathrm{iv}\right)$ Secondary succession is very slow process