PMS PAST PAPER HELD ON 04.04.2022Lightning rod and bifocal spectacles were invented by?
A) Benjamin Banneker
B) Thomas Edison
C) Alessandro Volta
D) Benjamin Franklin
Benjamin Franklin invented the lightning rod to protect buildings from lightning strikes and also designed bifocal spectacles to help people see both near and distant objects. His inventions greatly influenced science and daily life.
PMS PAST PAPER HELD ON 04.04.2022
A)
1883–1885
B)
1983–1985
C)
1993–1995
D)
1997–2000
Ethiopia suffered a devastating famine during 1983–1985 due to drought, conflict, and economic problems. Millions were affected, and the crisis drew global humanitarian attention and international relief efforts.
PMS PAST PAPER HELD ON 04.04.2022
A)
Balochistan
B)
Khyber Pakhtunkhwa
C)
Sindh
D)
Punjab
The Uch Gas Field is located in Balochistan, Pakistan. It is an important natural gas resource that contributes significantly to the country’s energy production and supports industrial and domestic energy needs.
PMS PAST PAPER HELD ON 04.04.2022
A)
CO₂
B)
N₂
C)
NH₃
D)
NH₄NO₃
Producers such as green plants absorb usable nitrogen compounds from the soil, including ammonia (NH₃) and nitrates. Nitrogen is essential for making proteins, chlorophyll, and nucleic acids necessary for plant growth and ecosystem balance.
PMS PAST PAPER HELD ON 04.04.2022
A)
Stigma
B)
Anthers
C)
Ovary
D)
Petals
After fertilization, the ovary of a flower develops into a fruit while the ovules become seeds. The fruit protects the seeds and often helps in their dispersal through animals, wind, or water.
PMS PAST PAPER HELD ON 04.04.2022
A)
Chip kits
B)
RAM burners
C)
PROM burner
D)
None of these
A PROM burner is a hardware device used to write or program data onto Programmable Read-Only Memory (PROM) chips. These tools are commonly used in electronics, embedded systems, and firmware development.
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