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Online Short Questions For Chapter 12 "12th Class Biology Chapter 26 Short Questions Preparation "
Try The Short Questions For 12th Class Biology Chapter 26 Short Questions Preparation
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Total Questions10
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Available Sets4
Biology - 12th Class Biology Chapter 26 Short Questions Preparation
Question # 1
Name any two zones of fresh water late.
- Ans 1: Profundal zone and limnetic zone.
12th Class Biology Chapter 26 Short Questions Preparation - Set 1
Question # 1
Name any two zones of fresh water late.
- Ans 1: Profundal zone and limnetic zone.
12th Class Biology Chapter 26 Short Questions Preparation - Set 2
Question # 1
What is composition of air in terrestrial ecosystem?
- Ans 1: In terrestrial ecosystem air is in constant motion,so its composition is more uniform.The amount of O2and CO2in air is much more constant and most beneficial for terrestrial ecosystem.
12th Class Biology Chapter 26 Short Questions Preparation - Set 3
Question # 1
What are algal blooms?Give their effects on aquatic life.
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Ans 1: Excessive growth of blue green algae due to high concentration of phosphates and nitrates in water is called algal blooms.
It can cause deficiency of oxygen in water and leads to animal death.
12th Class Biology Chapter 26 Short Questions Preparation - Set 4
Question # 1
Characterize profundal zone of fresh water lakes.
- Ans 1: Here light is insufficient to support photosynthesis.This area is mainly nourished by detritus. Decomposers and detritus feeders such as snails and certain insect larvae,bacteria,fungi and fishes inhabit it.
12th Class Biology Chapter 26 Short Questions
Here you can prepare 12th Class Biology Chapter 26 (Some Major Ecosystems). Click the button for 100% free full practice.
