Q. No trees are found in Tundra biome near polar region of northern hemisphere. This isdue to : [NDA 2011] (Solved)
1. snowfall inhibits plant respiration
2. frozen ice beneath the surface soil (permafrost) restricts root growth
3. less wind movement and inadequate sunlight
4. low temperature which restricts development of reproductive organs
- b. frozen ice beneath the surface soil (permafrost) restricts root growth