MCQs with Answers on “Role of Phytoplankton in Global Carbon Cycling”
MCQs:
What is the primary role of phytoplankton in the global carbon cycle?
a) Carbon sequestration in ocean sediments
b) Photosynthesis and carbon dioxide...
Study Notes on “Impact of Acid Rain on Ecosystems”
Introduction
Acid rain is one of the most significant environmental problems caused by human activities, particularly due to the emission of sulfur dioxide (SO₂) and...
Questions with Answers on “Impact of Acid Rain on Ecosystems”
1. What is acid rain, and how is it formed?
Answer:
Acid rain refers to any form of precipitation (rain, snow, sleet, or fog) that has...
MCQs with Answers on “Impact of Acid Rain on Ecosystems”
1. What is acid rain primarily caused by?
a) Heavy rainfall and soil erosion
b) High levels of nitrogen and sulfur compounds in the atmosphere
c) Excessive...
Study Notes on “Role of Mangroves in Coastal Protection”
"Guardians of the Coast: The Vital Role of Mangroves in Coastal Protection"
Introduction
Mangroves are one of the most ecologically significant ecosystems on the planet, offering...
Questions with Answers on “Role of Mangroves in Coastal Protection”
1. What are Mangroves, and how do they contribute to coastal protection?
Answer:
Mangroves are a unique group of salt-tolerant trees and shrubs that grow along...
MCQs with Answers on “Role of Mangroves in Coastal Protection”
1. What is the primary role of mangroves in coastal protection?
a) Providing shelter for marine life
b) Preventing soil erosion
c) Creating oxygen
d) Reducing air pollution
Answer:...
Study Notes on “Biological Control: Managing Pests with Natural Predators”
Biological Control: Managing Pests with Natural Predators
Introduction
Biological control (biocontrol) is an environmentally friendly pest management strategy that relies on natural predators, parasites, and pathogens...
Questions with Answers on “Biological Control: Managing Pests with Natural Predators”
1. What is Biological Control, and How Does It Work?
Answer:
Biological control (biocontrol) is the use of natural organisms such as predators, parasites, and pathogens...
MCQs with Answers on “Biological Control: Managing Pests with Natural Predators”
"Biological Control: Managing Pests with Natural Predators"
What is biological control in pest management?
a) The use of chemicals to eliminate pests
b) The introduction of...
Study Notes on “Role of Coral Reefs in Marine Ecosystems”
The Vital Role of Coral Reefs in Marine Ecosystems: Guardians of the Ocean’s Biodiversity
Introduction
Coral reefs, often referred to as the “rainforests of the sea,”...
Questions with Answers on “Role of Coral Reefs in Marine Ecosystems”
1. What are coral reefs and why are they important in marine ecosystems?
Answer:
Coral reefs are large underwater structures made from the calcium carbonate skeletons...
MCQs with Answers on “Role of Coral Reefs in Marine Ecosystems”
1. What is the primary role of coral reefs in marine ecosystems?
A) Providing oxygen
B) Stabilizing coastlines
C) Providing habitats for marine organisms
D) Producing freshwater
Answer: C)...
Study Notes on “Eutrophication: Causes and Ecological Impacts”
Introduction
Eutrophication is the process of nutrient enrichment in aquatic ecosystems, often leading to significant ecological changes, including reduced biodiversity and altered aquatic food webs....
Questions with Answers on “Eutrophication: Causes and Ecological Impacts”
1. What is Eutrophication? Discuss the causes and process involved.
Answer: Eutrophication is the process in which a water body becomes enriched with nutrients, primarily...
MCQs with Answers on “Eutrophication: Causes and Ecological Impacts”
1. What is the primary cause of eutrophication?
A) Excessive sunlight
B) Increase in nutrient levels
C) Increase in water temperature
D) Overfishing
Answer: B) Increase in nutrient levels
Explanation:...
Study Notes on “Bioindicators of Pollution: Examples and Importance”
Bioindicators of Pollution: Examples and Importance
Introduction: Understanding Bioindicators and Pollution
Bioindicators are organisms or biological components that can be used to assess the quality of...
Questions with Answers on “Bioindicators of Pollution: Examples and Importance”
1. What are Bioindicators and How Do They Help in Pollution Monitoring?
Answer:
Bioindicators are living organisms or biological responses that provide insights into the environmental...
MCQs with Answers on “Bioindicators of Pollution: Examples and Importance”
1. Which of the following is a primary function of bioindicators?
a) Indicating the weather changes
b) Measuring pollution levels in ecosystems
c) Increasing the biodiversity
d) Controlling...
Study Notes on “Role of Keystone Species in Ecosystems”
The Vital Role of Keystone Species in Ecosystem Dynamics
Introduction
Ecosystems are intricate networks of interactions among living organisms and their environment. At the heart of...
