PPSC Lecturer of BIOLOGY Past Papers
⭐Bryophytes are all homosporous.
⭐ Nephridia are excretory organs in earth worm.
⭐ Slug is harmful mollusc.
⭐ Common feature of human and insect trachea is
⭐ Vomiting occurs due to antiperistalsis.
⭐ Photosynthetic prokaryotes lack chloroplast.
⭐ Gizzard organ is because of absence of teeth in
⭐ The scientific name of jelly fish is Aurelia.
⭐ In which plants leaves are always in whorls
⭐ In bacterial and viral infection, there is increase
in number of WBC’s.
⭐ In plants, sclereids are involved in testa
⭐ 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
⭐ 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
⭐ The SI unit of charge is Coulomb.
⭐ Very High Frequency (VHF) has shorter
⭐ Long-sight defect could be corrected by using
⭐ Deficiency of Vitamin A results in night
⭐ 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
⭐ The most abundant element in the universe is
⭐ The most abundant element in the Earth’s crust
⭐ 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.