In the questions given below, there are two statements marked as Assertion (A) and Reason (R). Read the statements and choose the correct option:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Asertion (A).
b. Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
c. Assertion (A) is true, but Reason (R) is false.
d. Assertion (A) is false, but Reason (R) is true.
1. Assertion (A): Forests play a key role in the ecological system.
Reason (R): Forests are the primary producers on which all other living beings depend.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
Forests maintain ecological balance because they act as primary producers and support all forms of life.
2. Assertion (A): We need to conserve our forests and wildlife.
Reason (R): Rapid decline in wildlife population and forestry has been observed.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
The rapid destruction of forests and decline in wildlife populations make conservation necessary.
3. Assertion (A): Tiger population is not on the verge of extinction.
Reason (R): Tiger population in forests is increasing rapidly day-by-day.
Answer:
d. Assertion (A) is false and Reason (R) is false.
Explanation:
Tiger populations have been threatened due to poaching and habitat destruction. Their numbers are not increasing rapidly everywhere.
4. Assertion (A): Destruction of forests and wildlife resulted into the loss of cultural diversity.
Reason (R): The conservation of forests and wildlife is essential to provide a better quality of life.
Answer:
b. Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
Explanation:
Forest destruction affects tribal communities and cultural traditions. Conservation improves quality of life, but it does not directly explain the loss of cultural diversity.
5. Assertion (A): The tree is a peculiar organism of unlimited kindness.
Reason (R): Trees are living organisms which make no demands for their sustenance and extend generously the products of their life activity.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
Trees provide oxygen, fruits, shade and many other benefits selflessly, showing their importance for life on earth.
6. Assertion (A): Neglect of our environment has led to the destruction and extinction of many species of animals and plant life.
Reason (R): Decreasing forest cover area is a major reason of destruction of species.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
Deforestation destroys habitats and causes the extinction of many plant and animal species.
7. Assertion (A): Depletion of forests causes a lot of danger.
Reason (R): Forests are vital for the quality of life and environment.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
Forests regulate climate, conserve biodiversity and maintain environmental balance, so their depletion creates serious dangers.
8. Assertion (A): Large-scale development projects have also contributed significantly to the loss of forests.
Reason (R): Large-scale development projects don’t inundate hectares of forest.
Answer:
c. Assertion (A) is true but Reason (R) is false.
Explanation:
Large projects such as dams and industries have submerged and destroyed large forest areas.
9. Assertion (A): Himalayan Yew is a medicinal plant.
Reason (R): It has healing qualities.
Answer:
a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Explanation:
Himalayan Yew is used to prepare medicines for serious diseases because of its medicinal properties.