Which of the following is not the characteristic of social problem?
A.It results in change of existing social order.
B.It is related to consciousness.
C.It is related to dissatisfaction.
Author: BILAL KHATTAK
The Hormuz Strait is situated at the entrance of the
A.China Sea
B.Red Sea
C.Mediterranean Sea
D.Persian Gulf
Which one of the following is the structure concerned with photorespiration?
A.Mitochondria
B.Peroxisome
C.Ribosome
D.Lysosome
The impedance of piezo-electric crystals is
A.Negligible
B.Very low
C.Low
D.Average
E.High
Soft and heart wood are include:
A.Which are derived from gymnosperms such as pines, evergreen, needle like leaves seeds in cones
B.Hardwoods are those derived from angiosperms such as oak, ash, popular, with broad leaves seed enclosed bearing flowers
C.Wood responsible for sap conduction is termed as sap wood
D.As the wood increases in diameter, cells to the inside are block. This portion of wood is known as heart wood
E.All of the above
The importance of ecosystem lies in:
A.Cycling of materials
B.Flow of energy
C.Both (a) & (b)
D.None of the above
All plants do not possess___________??
A. Lenticels
B. Cuticle
C. Stomata
D. All of these
When a 66 kV transmission line passes over a residential building, the minimum vertical clearance from the roof of the building must be
A.4 metres
B.7.5 metres
C.10 metres
D.15 metres
The unit of luminous flux is
A.Steradian
B.Candela
C.Lumen
D.Lux
E.None of the above
Vapour lock is
A.Seizure of supply of fuel in a diesel engine
B.Serious restriction to the supply of fuel due to excessively rapid formation of vapour in S.I. engine
C.Locking of carbourettor jets due to vapour formation
D.Locking of jets due to impurities in petrol
E.None of the above
