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ppsc old papers of Lecturer
ppsc old papers of Lecturer

PPSC Lecturer of BIOLOGY Past Papers

PPSC Lecturer of BIOLOGY Past Papers

ppsc old papers of Lecturer

>>Bryophytes are all homosporous.

>> Nephridia are excretory organs in earth worm.

>> Slug is harmful mollusc.

>> Common feature of human and insect trachea is

non-collapsiable wall.





>> Vomiting occurs due to antiperistalsis.

>> Photosynthetic prokaryotes lack chloroplast.

>> Gizzard organ is because of absence of teeth in

birds.

>> The scientific name of jelly fish is Aurelia.

>> In which plants leaves are always in whorls

sphenopsids.

>> In bacterial and viral infection, there is increase

in number of WBC’s.

>> In plants, sclereids are involved in testa

formation.

>> The etiolated plants lack chlorophyll.

>> Cell is the unit of life.

>> Zoology is the study of animals.

>> The number of species of organisms currently

known to science is 2,500,000.

ppsc old papers of Lecturer

>> Five kingdom classsification was proposed by

Robert Whittaker.

>> Out of 92 naturally occurring chemical

elements, 16 are cinsidered as bio-elements.

>> Red blod cells has no nucleus.

>> Dolly is the first cloned sheep.

>> Sciatic is the longes nerve in human.

EVERY DAY SCIENCE

>> On 11 February 2016 The LIGO Scientific

Collaboration announced the detection of

gravitational waves.

>> The SI unit of charge is Coulomb.

>> Very High Frequency (VHF) has shorter

wavelengths.

>> Long-sight defect could be corrected by using

convex lens.

>> Deficiency of Vitamin A results in night

blindness.

>> For a fixed mass of gas at constant

temperature, if we decrease volume, the

pressure will increase.

>> The lifespan of Red Blood Cells is 120 days.

>> The density of water is 1 g/cm 3.

>> Radioactivity was discovered by Becquerel.

>> A device which converts chemical energy into

electrical energy is called battery.

>> The Sun is a Star.

>> The average adult has a blood volume of about

5 liters.

>> The most abundant element in the universe is

Hydrogen.

>> The most abundant element in the Earth’s crust

is Oxygen.

>> Each day human body breathes in 15,000 to

20,000 liters of air.

>> Deficiency of Vitamin-D results in rickets.

>> The SI unit of “pressure” is Pascal.

>> The densest substance on the Earth is Osmium.

>> A camera uses a convex lens to form an image.

>> CNG stands for Compressed Natural Gas.

ppsc old papers of Lecturer

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ppsc old papers of Lecturer
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