NEET Zoology - MCQ Practice Questions

In a pond ecosystem, phytoplankton occupy which trophic level?

The 10% law in ecology states that approximately what percentage of energy is transferred from one trophic level to the next?

Which of the following is an example of a density-dependent limiting factor?

The process of ecological succession following a forest fire is classified as:

Which Indian biome is characterized by high temperature, low rainfall, and sparse vegetation?

Mycorrhizal association between fungi and plant roots is an example of:

The phenomenon where predators and prey population cycles show a time lag is explained by:

Which of the following contributes MOST to eutrophication of water bodies?

The Western Ghats of India are recognized globally as a biodiversity hotspot primarily because:

Which gas, released primarily from coal combustion and industrial processes, is a major contributor to acid rain?

In the nitrogen cycle, the conversion of atmospheric nitrogen to ammonia by bacteria is called:

The carrying capacity of an environment is determined by:

Which of the following is the primary cause of habitat fragmentation in India's biodiversity hotspots?

The concept of ecological niche differs from habitat in that niche refers to:

Biofertilizers containing nitrogen-fixing bacteria (like Rhizobium) increase soil fertility primarily by:

The phenomenon of biomagnification poses serious health risks because:

Climate change in India is predicted to most severely impact which agricultural region?

The concept of 'tragedy of the commons' in environmental management refers to:

Which regulatory mechanism would most effectively reduce plastic pollution in Indian coastal ecosystems?

Which of the following organisms would show the highest concentration of pesticide residues in an aquatic food chain?