- non porous wood
- homoxylous wood
- early wood
- hard wood
Author: Zabeehullah
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- Heartwood
- soft wood
- sap wood
- d)Spring wood
- Mammals
- B).Fishes
- C).Birds
- D).Reptiles
- Gene bank
- B).Gene library
- C).Gene pool
- D).Herbarium
If we uncover of the forest ,covering of the earth, what crsis wil be produced at most and at first?
- Some species will be extincted
- B).Population and ecological imblance will raise up
- C).Energy crisis will occur
- D).Rest half forest will maintain this imblance
- 10 billion
- 15 billion
- 20 billion
- None of these
- Range burning
- Water spreading
- Sand dune fixation
- None of these
- 34.73 million ha.
- 46.50 million ha.
- 56.80 million ha.
- None of these
- 2.3 million
- 2.4 million
- 2.5 million
- 2.6 million
- 2.7 million ha
- 2.8 million ha
- 2.9 million ha
- None of these
- Shinkiari in Hazara
- Thai in Abbottabad
- Ghoragali
- None of these
- Pakistan Forest Institute
- Punjab Forest Institute
- Popular Forest Institute
- None of these
- If it is achieved naturally without involvement of man effort
- If it is achieved by mechanically
- Both (a) & (b)
- None of these
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