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Biology Fsc Part 2 Chapter 1 Online Test MCQs With Answers
Question # 1
Chemical that cause fever and are produce from blood cells are
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Bilirubin
Interferons
Pyrogens
Anti biodies
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Question # 2
The protection of internal environment from the harms of fluctuation in external environment is termed as.
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Osmoregulation
Excretion
Thermoregulation
Homeostasis
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Question # 3
Blood supplied to kidneys from each cardiac beat is.
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10%
20%
30%
50%
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Question # 4
Which one of the following is excretophore.
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Stem
Leaves
Roots
Bark
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Question # 5
In bacterial and viral infections, pathogens and leukocytes cell produce a chemicals called.
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Pyrexia
Toxins
Affatoxins
Pyrogen
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Question # 6
Dialysis cleans the blood either by
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Passing it through an artificial kidney
Filtering it within abdomen
Removing the whole blood from body
Both a&b
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Question # 7
Sunkens stomata are found in which of the following group of plants.
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Hydrophytes
xerophytes
Bryophytes
Mesophytes
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Question # 8
Excretory structure present in cockroach are.
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Contractile vacuole
Malpighian tubules
Nephridia
Flame cells
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Question # 9
Antidluretric hormone (ADH) released from posterior pituitary act to actively transport water from filtrate to kidney's
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Pelvis
Medulla
Cortex
Interstitium
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Question # 10
1 g of ammonia nitrogen requires how much water for excretion.
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50 ml
250 ml
100 ml
500 ml
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Question # 11
Which one the following structures of kidney is involved in the production of concentrated rein.
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Glomerulus
Juxtamedullary nephron
Cortical nephron
Vasa recta
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Question # 12
Liver also has numerous crucial functions of.
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Osmoregulation
Homeostasis
Thermoregulation
Excretion
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Question # 13
About 500 ml water is needed to excrete 1g of ammonia
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Hydrogen
Oxygen
Nitrogen
Helium
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Question # 14
The central station of metabolism and the body central metabolic clearing agent is.
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Stomach
Liver
Kidney
Gut
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Question # 15
The Planaria flatworm have simple tubular excretory system known as.
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Protonephridium
Mesonephridum
Prenephridium
Metanephridium
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Question # 16
Most cartilaginous fishes possess salt execrating organs known as the
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Coecal gland
Foetal gland
Rectal gland
Sebaceous gland
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Question # 17
Bats and humming bird are called
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Heterotherms
Ectotherms
Endotherms
poikilotherms
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Question # 18
Urine leaves the kidney through aduct called.
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Urethara
Pelvis
Ureter
Naphron
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