For portable water the permissible pH value is
A.1 – 4.5
B.4.5 – 7
C.7 – 8.5
D.9 — 11
E.11 — 14
Author: BILAL KHATTAK
Segmentation in annelids is called:
A.Strobilation
B.Metamerism
C.Pseudosegmentation
D.None of these
Who coined the term Animalcules for microorganisms like Bacteria and protozoa______________??
A. Robert Koch
B. Louis Pasteur
C. Alexander Fleming
D. Leeuwenhoek
Epiphyses of long bones are:
A.Solid and spongy
B.Spongy
C.Hollow and compact
D.Solid and compact
The primary purpose of visbreaking process is
A.To increase viscosity and pour point
B.in reduce viscosity and pour point
C.to increase viscosity and reduce pour point
D.to reduce viscosity and increase pour point
A block A is dropped down a smooth inclined plane, while another identical block B is released for free fall from the same height
A.both will hit the ground simultaneously
B.block A will have higher velocity than block B while hitting the ground
C.block A will hit the ground earlier
D.block B will hit the ground earlier.
Which of the following principle is used in the operation of Mc Leod gauge?
A.Charles law
B.Boyles law
C.Daltons law
D.Pascals law
E.None of the above
Maximum number of species of living things on earth are___________??
A. Algae
B. Fungi
C. Insects
D. Protozoa
Omnivorous heterotrophs derive their food from:
A.Plants only
B.Animals only
C.Both of these
D.None of these
The excape velocity on the surface of the earth is
A.1 km/s
B.2.2 km/s
C.4.4 km/s
D.5.6 km/s
E.11.2 km/s
