2nd Year Biology Chapter 26 Notes

• Important 2nd Year Biology Chapter 26 mcqs for Intermediate part-II students.
• 1. Layer is a characteristics of:  (A) Tundra  (B) Desert  (C) Taiga  (D) Grass land
• 2. Desert ecosystem occurs in region, where annual rain falls is less than:  (A) 250 - 270 cm  (B) 15 - 20 cm  (C) 25 - 50 cm  (D) 5 - 10 cm
• 3. In Sindh, the desert ecosystem is called:  (A) Thar  (B) Thal  (C) Sahara  (D) Gobi
• 4. Average rain fall in desert ecosystem is:  (A) 70 - 80 inche  (B) 30 - 40 inches  (C) 50 - 60 inche  (D) 10 - 20 inches
• 5. In Pakistan the desert ecosystem of western Punjab is:  (A) Cholistan  (B) Rajistan  (C) Thar  (D) Thal
• Important 2nd Year Biology Chapter 26 important questions for Intermediate part-II students.
• 6. Which biome has been increased in area by human activities?  (A) Desert  (B) Coniferous  (C) Savanna  (D) Grass land
• 7. The rate of primary production is about 700 - 1500 g / m annually in:  (A) Desert  (B) Tundra  (C) Temperate grass  (D) glassland
• 8. Deserts generally occur in region where annual rainfall is less than:  (A) 15 - 20 cm  (B) 250 - 270 cm  (C) 25 - 50 cm  (D) 5 - 10 cm
• Important 2nd Year Biology Chapter 26 important short questions for Intermediate part-II students.
• 9. Cacti and Euphorbia are the desert plants which store water n their:  (A) Fleshy stems  (B) Fleshy leaves  (C) Fleshy buds  (D) Fleshy roots
• 10. Deserts ecosystem of Mianwali and Bhakkar is called:  (A) Cholistan  (B) Thar  (C) Thal  (D) Sahara
• 11. Northern coniferous forests are called as:  (A) Boreal  (B) Alpine  (C) Deciduous  (D) Taiga
• 12. The soil or terrestrial ecosystem have same adaptations for animals and plants:  (A) Supporting tissues  (B) Nutrients  (C) Retention of food  (D) Temperature
• Important 2nd Year Biology Chapter 26 long questions for Intermediate part-II students.
• 13. Most plants fit only into a few ecosystem, which type of plants seems in ecosystem of grass land:  (A) Perennial herbs  (B) Trees  (C) Shrubs  (D) Annual weeds

• Can you differentiate between altitude and latitude?
• How many regions open water area is divided into?
• What is hydrospheric or aquatic ecosystem? 
• Important 2nd Year Biology Chapter 26 important long questions for Intermediate part-II students.
• What types of organisms are present in the profundal zone of a lake?
• Name the sub-divisions of a forest ecosystem.
• What types of animals are present in temperate deciduous forest? 
• What is the location of coniferous alpine and boreal forests?
• Name some grasslands of Pakistan.
• What is layering in ecosystem?
• Important chapter 26 Biology 2nd Year for Intermediate part-II students.
• Define productivity of an ecosystem.
• Name three zones in lake ecosystem.
• How many biomes are present in the world, name only five of them.
• Give the names of some major ecosystem on land in Pakistan.
  
• Differentiate between weather and climate.
• What are the four major requirements for life? 
• What are the characteristics of the littoral zone?
• What is the location of temperate deciduous forests in Pakistan and rest of the world. 
• What is the range of rainfall and temperature in temperate deciduous forest?
• Name the plants of temperate deciduous forest?
• Differentiate between alpine and boreal forests.
• What do you know about the animal life of coniferous alpine and boreal forests?
• Name the plants of coniferous alpine and boreal forests?
• What are prairies?  What is Savanna?
• What is the annual rainfall in grasslands?
• Name some predators of grassland. 
• What is the productivity of the grassland ecosystem?
• What is the location of deserts in Pakistan?
• What types of plant life is found in tundra?
• Important long question of Biology 2nd year chapter 26