Practice Pakistan's most useful MCQs for competitive exams

People living in high altitudes (like mountains) usually have a _________?

• (A)  smaller number of Red Blood Cells
• (B)  larger number of Red Blood Cells
• (C)  smaller number of White Blood Cells
• (D)  larger number of White Blood Cells

Answer

Submitted By :Ali Uppal

Crop rotation helps in______________?

• (A)  Growth of pathogens
• (B)  Soil Infertility
• (C)  Slowing of crops growth
• (D)  Eradication of disease

Answer

Submitted By :Ali Uppal

Dolly, the sheep was a highly successful clone from a somatic cell, reported back in________?

• (A)  1993
• (B)  1994
• (C)  1995
• (D)  1996

Answer

Submitted By :Ali Uppal

An educated guess is called:

• (A)  Accumulated Data
• (B)  Observation
• (C)  Hypothesis
• (D)  Conclusion

Answer

Submitted By :Ali Uppal

The Science of growing terrestrial plants in an aerated solution is_________?

• (A)  Hydrodynamics
• (B)  Hydroponics
• (C)  Hydrotonics
• (D)  None of them

Answer

Submitted By :Ali Uppal

The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

• (A)  An organ
• (B)  A molecule
• (C)  Tissue
• (D)  Both a and c

Answer

Submitted By :Ali Uppal

Oxygen accounts for ____ % of totals human body mass?

• (A)  65%
• (B)  18%
• (C)  10%
• (D)  3%

Answer

Submitted By :Ali Uppal

___________ are needed as a source of energy for the vital activities of the body?

• (A)  Calcium
• (B)  Iron
• (C)  Water
• (D)  Carbohydrates

Answer

Submitted By :Ali Uppal

Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

• (A)  6
• (B)  16
• (C)  26
• (D)  15

Answer

Submitted By :Ali Uppal

__________ is essential for the formation of hemoglobin.

• (A)  Calcium
• (B)  Iron
• (C)  Water
• (D)  Carbohydrates

Answer

Submitted By :Ali Uppal