33 public questions tagged with this topic.
Deserts have the lowest net primary productivity due to limited water availability and extreme climatic conditions. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Tropical rainforests have the highest net primary productivity due to high temperatures, rainfall, and solar radiation. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.
Sacred groves are protected forest patches that serve as refuges for rare, threatened, and endemic species.
Ref: NCERT Class 12 Biology Chapter 13: Biodiversity and Conservation Biodiversity Conservation - In situ Ex situ Hotspots
Tropical rainforests exhibit the highest biodiversity because of their stable climate and high solar energy availability.
Ref: NCERT Class 12 Biology Chapter 13: Biodiversity and Conservation Loss of Biodiversity - Alien Invasion Co-extinction Mass Extinction - Evil Quartet
According to the 10% Law, only 10% of the energy from one trophic level is transferred to the next, while the rest is lost as heat.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
A snake is a tertiary consumer in a food chain, as it feeds on secondary consumers like frogs.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Denitrification is a microbial process that converts nitrates into nitrogen gas, returning it to the atmosphere.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Ecological pyramids represent the relative number, biomass, or energy of organisms at different trophic levels in an ecosystem.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Pyramids of biomass are not always upright; in aquatic ecosystems, they can be inverted due to the rapid turnover of phytoplankton.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecological Pyramids - Number Biomass Energy
In a forest ecosystem, a few large trees support many herbivores and parasites, leading to an inverted pyramid of number.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecological Pyramids - Number Biomass Energy
Energy flow in an ecosystem is unidirectional, moving from producers to consumers and eventually lost as heat.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Energy Flow - Food Chains Food Webs Trophic Levels
Solar energy is the primary source of energy for most ecosystems, driving photosynthesis and energy flow through food chains.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Energy Flow - Food Chains Food Webs Trophic Levels
