A. 2.3 m
B. 2.4 m
C. 2.5 m
D. 2.6 m
Related Mcqs:
- The conifers rarely exceed 8 m. In height, the broadleaved trees reach about 9m. And the shrub growth about ______
A. 1 to 3m
B. 1 to 4m
C. 1 to 5m
D. 1 to 5m - The conifers generally form a fairly complete forest cover of good height is:
A. 22 to 44 m
B. 24 to 46 m
C. 26 to 48 m
D. 28 to 50 m - In Pakistan, because of small field size, most often 2 or 3 rows windbreaks are used, and should expect the effects to reach only about 12H downwind and _____ upwind:
A. 1H
B. 2H
C. 3H
D. 4H - Chir forests are near the western limit of their range in Pakistan and they extend eastwards upto _________
A. Bhutan
B. Sri Lanka
C. Nepal
D. Afghanistan - The characteristics of the original group system was the undulating profile of the regenerated corp obtained by reason of the considerable variation in age between the groups of regeneration:
A. Gayer’s line
B. Group system
C. Clear strip system
D. None of these - Various fungi are known to accumulate considerable quantities of divalent metal such as:
A. Cadmium
B. Zinc
C. Lead
D. All of the above - The orange and red wave lengths of light are able to penetrates in a sea upto a depth of:
A. 5 meters only
B. 20 meters only
C. 50 meters
D. 80-100 meters - Dry temperate forests are distribute throughout the inner mountain ranges beyond the effective reach of the south-west monsoon, notably in the upper reaches of the Indus and its tributaries including the whole of:
A. Gilgit and parts of Chitral
B. Nilam and Khaghan valleys
C. Both (a) & (b)
D. None of these - A minima rotation worth the name is specified which corresponds to the age at which the trees reach the exploitable size which is usually 120 years, but is 150 years for the deodar, fir and kail in the moist zone of Kaghan 200 years for the ry zone of ______
A. Swat
B. Naran
C. Kaghan
D. None of these - It is thought that the concentration of CO2 by the year 2040 shall reach:
A. 400 ppm
B. 500 ppm
C. 475 ppm
D. 450 ppm
The correct answer to the question: "The conifers often attain a considerable girth even upto 3m. Whilst the brich may reach _________" is "2.5 m ".
