Answers- Biomass
**Multiple Choice Questions:**
1. **What is Biomass?**
- A. The total mass of inorganic material
- B. The collective weight of living things
- C. The mass of water in an ecosystem
- D. The mass of gases in the atmosphere
**Answer: B. The collective weight of living things**
2. **How is Biomass Directly Measured using Calorimetry?**
- A. Burning a wet sample
- B. Heating a large beaker of water
- C. Destroying the sample
- D. Measuring the remaining carbon
**Answer: B. Heating a large beaker of water**
3. **What is a Limitation of Calorimetry in Measuring Biomass?**
- A. Heat loss to the surroundings
- B. Accurate measurement of carbon
- C. Wet samples burn more efficiently
- D. Easy representation of the entire ecosystem
**Answer: A. Heat loss to the surroundings**
4. **How is Biomass Indirectly Measured through Dry Mass?**
- A. Burning the sample
- B. Drying and weighing the organism
- C. Destroying organic material
- D. Measuring the oxygen produced
**Answer: B. Drying and weighing the organism**
5. **What Result is Obtained from Indirect Biomass Measurement by Dry Mass?**
- A. The amount of energy released
- B. Specific heat capacity
- C. Mass per unit area or volume
- D. The total population in each trophic level
**Answer: C. Mass per unit area or volume**
6. **Why is Measuring Biomass Crucial in A-Level Biology?**
- A. To confuse students
- B. To assess difficulty levels
- C. To understand ecosystem health and stability
- D. To promote biodiversity
**Answer: C. To understand ecosystem health and stability**
7. **Which Method Involves Destroying the Organic Material in the Sample?**
- A. Drying and weighing
- B. Direct Measurement of Photosynthesis
- C. Destruction of organic material
- D. Dry mass measurement
**Answer: C. Destruction of organic material**
8. **What is a Limitation Related to Sampling Difficulty in Measuring Biomass?**
- A. Biomass doesn't change
- B. Limited destruction of samples
- C. Easy representation of the entire ecosystem
- D. Difficulty obtaining a representative sample
**Answer: D. Difficulty obtaining a representative sample**
9. **What Application Does Biomass Measurement Have in Agriculture?**
- A. Assessing astronaut food
- B. Evaluating agricultural systems
- C. Measuring atmospheric pressure
- D. Counting plant cells
**Answer: B. Evaluating agricultural systems**
10. **What is the Significance of Measuring Biomass in A-Level Biology?**
- A. For entertainment purposes
- B. To confuse students
- C. To make informed decisions about land use and ecosystem management
- D. Just to add more information to textbooks
**Answer: C. To make informed decisions about land use and ecosystem management**
1. **What is Biomass?**
- A. The total mass of inorganic material
- B. The collective weight of living things
- C. The mass of water in an ecosystem
- D. The mass of gases in the atmosphere
**Answer: B. The collective weight of living things**
2. **How is Biomass Directly Measured using Calorimetry?**
- A. Burning a wet sample
- B. Heating a large beaker of water
- C. Destroying the sample
- D. Measuring the remaining carbon
**Answer: B. Heating a large beaker of water**
3. **What is a Limitation of Calorimetry in Measuring Biomass?**
- A. Heat loss to the surroundings
- B. Accurate measurement of carbon
- C. Wet samples burn more efficiently
- D. Easy representation of the entire ecosystem
**Answer: A. Heat loss to the surroundings**
4. **How is Biomass Indirectly Measured through Dry Mass?**
- A. Burning the sample
- B. Drying and weighing the organism
- C. Destroying organic material
- D. Measuring the oxygen produced
**Answer: B. Drying and weighing the organism**
5. **What Result is Obtained from Indirect Biomass Measurement by Dry Mass?**
- A. The amount of energy released
- B. Specific heat capacity
- C. Mass per unit area or volume
- D. The total population in each trophic level
**Answer: C. Mass per unit area or volume**
6. **Why is Measuring Biomass Crucial in A-Level Biology?**
- A. To confuse students
- B. To assess difficulty levels
- C. To understand ecosystem health and stability
- D. To promote biodiversity
**Answer: C. To understand ecosystem health and stability**
7. **Which Method Involves Destroying the Organic Material in the Sample?**
- A. Drying and weighing
- B. Direct Measurement of Photosynthesis
- C. Destruction of organic material
- D. Dry mass measurement
**Answer: C. Destruction of organic material**
8. **What is a Limitation Related to Sampling Difficulty in Measuring Biomass?**
- A. Biomass doesn't change
- B. Limited destruction of samples
- C. Easy representation of the entire ecosystem
- D. Difficulty obtaining a representative sample
**Answer: D. Difficulty obtaining a representative sample**
9. **What Application Does Biomass Measurement Have in Agriculture?**
- A. Assessing astronaut food
- B. Evaluating agricultural systems
- C. Measuring atmospheric pressure
- D. Counting plant cells
**Answer: B. Evaluating agricultural systems**
10. **What is the Significance of Measuring Biomass in A-Level Biology?**
- A. For entertainment purposes
- B. To confuse students
- C. To make informed decisions about land use and ecosystem management
- D. Just to add more information to textbooks
**Answer: C. To make informed decisions about land use and ecosystem management**
