60days planner – Day 60

Welcome to your 60days planner - Day 60

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1.Consider the following statements:



  1. Genetic resources, water and minerals are part of supporting ecosystem services

  2. Nutrient recycling, primary production and soil health are part of supporting ecosystem services

  3. Raw materials and Energy are part of provisioning ecosystem services


Which of the above statements is/are correct?

2. Consider the following statements if phytoplankton of an ocean is completely destroyed for some reason:



  1. The ocean as a carbon sink would be adversely affected

  2. The food chains in the ocean would be adversely affected

  3. The density of ocean water would drastically decrease


Which of the above statements is/are correct?

3. Consider the following statements:



  1. Tadpoles have gills

  2. Fishes eat only animal matter


Which of the above statements is/are correct?

4. Consider the following statements with reference to Keplers 2nd law:



  1. The earth does not move along its orbit at a constant rate.\

  2. The earth moves fastest at perihelion and slowest at aphelion


Which of the above statements is/are correct?

5. A magnetic substance can be demagnetized by



  1. Heating till a temperature known as Curie temperature is reached

  2. Placing the substance in a direction opposite to that of the Earth’s horizontal intensity

  3. Heating or hammering


Which of the above statements is/are correct?

6. Consider the following statements:



  1. Edge effects refer to the changes in population or community structure that occur at the boundary of two habitats

  2. As the edge effects increases, the boundary habitat allows for lower biodiversity

  3. The edge effects can result into abiotic and biotic conditions which diminish natural variation and threaten the original ecosystem


Which of the above statements is/are correct?

7. Which of the following statements is/are correct regarding fat?



  1. Fats are required for repair of damaged tissue

  2. They are needed for the formation of cell membrane

  3. Body cannot release energy in the form of fats as easily as in the form of carbohydrates

8. Which of the following are chief characteristics of commercial grain farming of middle latitude grassland?



  1. Large farmlands

  2. Subsistence farming

9. Which of the below is/are examples of Biogenic Substance?



  1. Wood

  2. Silk

  3. Limestone

10. Which of the following methods are suitable for soil conservation in hilly areas?



  1. Terrace farming

  2. Strip cropping