Environemt science mcqs#3
Q 1. Which of the following have species that can establish a symbiotic relationship with other organisms?
1. Cnidarians
2. Fungi
3. Protozoa
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
(d) 1, 2 and 3
Q 2 . “R2 Code of Practices” constitute a tool available for promoting the adoption of
(a) Environmentally responsible practices in the electronics recycling industry
(b) Ecological management of ‘’Wetlands of International Importance” under the Ramsar Convention
(c) Sustainable practices in the cultivation of agricultural crops in degraded lands
(d) ‘’Environmental Impact Assessment’’ in the exploitation of natural resources
(a) Environmentally responsible practices in the electronics recycling industry
Q 3. Why is there a concern about copper smelting plants?
1. They may release lethal quantities of carbon monoxide into the environment
2. The copper slag can cause the leaching of some heavy metals into the environment
3. They may release sulphur dioxide as a pollutant
Select the correct answer using the code given below
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
(d) 1, 2 and 3
Q4. With reference to furnace oil, consider the following statements:
1. It is a product of oil refineries
2. Some industries use it to generate power
3. Its use causes sulphur emissions into the environment
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Q 5. What is blue carbon?
(d) 1, 2 and 3
(a) Carbon captured by oceans and coastal ecosystems
(b) Carbon sequestered in forest biomass and agricultural soils
(c) Carbon contained in petroleum and natural gas
(d) Carbon present in the atmosphere
(a) Carbon captured by oceans and coastal ecosystems
Q 6. In nature, which of the following is/are most likely to be found surviving on a surface without soil?
1. Fern
2. Lichen
3. Moss
4. Mushroom
Select the correct answer using the code given below
(a) 1 and 4 only
(b) 2 only
(c) 2 and 3
(d) 1, 3 and 4
(c) 2 and 3
Q 7. In the context of recent advances in human reproductive technology, “Pronuclear
Transfer” is used for
(a) fertilization of egg in vitro by the donor sperm
(b) genetic modification of sperm-producing cells
(c) development of stem cells into functional embryos
(d) prevention of mitochondrial diseases in offspring
(d) prevention of mitochondrial diseases in offspring
Q 8. With reference to carbon nanotubes, consider the following statements:
They can be used as carriers of drugs and antigens in the human body.
They can be made into artificial blood capillaries for an injured part of human body.
They can be used in biochemical sensors.
Carbon nanotubes are biodegradable.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
(c) 1, 3 and 4 only
Q 9. Consider the following activities:
1.Spraying pesticides on a crop field
2.Inspecting the craters of active volcanoes
3.Collecting breath samples from spouting whales for DNA analysis
At the present level of technology, which of the above activities can be successfully
carried out by using drones?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
(d) 1, 2 and 3
Q 10. Consider the following statements:
1.Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.
2.A person’s genome can be edited before birth at the early embryonic stage.
3.Human-induced pluripotent stem cells can be injected into the embryo of a pig.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
(d) 1, 2 and 3