MCQs Biology fsc part 2 chapter 1 Homeostasis with answer keys. All MCQs are collected from past papers of all Punjab Boards. This topic MCQs Biology fsc part 2 will help you achieve 90+ marks in Biology.
MCQs Biology Unit 1 Homeostasis
Here is a collection of MCQs Biology Fsc Part 2 Unit 1 Homeostasis. Read online MCQs Biology fsc part 2 fully solved. All MCQs are from past papers of 2014 to 2022.
The Protection of the internal environment from the harms of fluctuation in the external environment is termed as (RWP.GI, 2016)
(A) Osmoregulation
(B) Thermoregulation
(C) Excretion
(D) Homeostasis
A plant is adapted to remove the folding of its cells in fresh water:
(GRW. GI, 2016)
(A) Mesophyte
(B) Cactus
(C) Hydrophyte
(D) Xerophyte
The more concentrated external environment is termed as: (DGK. GI, 2014) (GRW. GII, SWL. GI, 2015) (BWP. 2018)
(A) Hypotonic
(B) Hypertonic
(C) Isotonic
(D) Osmotic
Which one is not a mesophyte? (GRW.GU, 2015)
(A) Brassica
(B) Rose
(C) Mango
(D) Cacti
A diluted solution compared to the cell concentration is termed as: (LIIR. GI, 2014) (RWP. 2018)
(A) Hypertonic
(B) Hypotonic
(C) Isotonic
(D) Paratonic
The category of plants that have adapted of small and thick leaves to limit water loss is called: (RWP. GI, 2017) (AJK. GI, 2017) (AJK, 2018)
(A) Hydrophytes
(B) Xerophytes
(C) Mesophytes
(D) Aygrophytes
Contractile vacuoles are found in: (LUR. GU, 2016)
(A) Plants
(B) Freshwater protozoa
(C) terrestrial animals
(D) marine plants
Tri ethylamine Oxide is produced in: (MLN. GI, 2016)
(A) Hag Fish
(B) Bony Fish
(C) Marine Fish
(D) Cartilaginous Fish
The Tolerance of dehydration called: (MLN. GI, 2016)
(A) Osmoconformers
(B) Osmoregulators
(C) Anhydrobiosis
(D) Dehydration
Animals that do not require to adjust their internal osmotic state actively are known:
(FBD. GI, 2016)
(A) Osmoregulators
(B) Osmo conformers
(C) Terrestrials
(D) Hypertonic
Freshwater protozoans pump out excess water by (MLN. GI, 2015)
(A) Contractile Vacuole
(B) Food Vacuole
(C) Pinocytosis
(D) Phagocytosis
Among the vertebrates, hagfishes are isotonic with the surrounding: (MLN. GI, 2017)
(A) Freshwater
(B) Seawater
(C) Pond water
(D) River water
Which part of the plant body serves as excretophores? (LIIR. GI GII, 2015) (SWL. GI, 2016)
(A) Root
(B) Stem
(C) Leaves
(D) Flowers
1g of ammonia nitrogen requires how much water for excretion: (LIIR. GI, FBD. GI, 2016) (SWL 2018)
(A) 50 ml
(B) 100 ml
(C) 250 ml
(D) 500 ml
Urea is detoxified form of in the urea cycle which can be retained in the body.
(GRW. GI, 2015)
(A) Ammonia
(B) Nitrogen
(C) Uric Acid
(D) CO2
Animals excreting urea are called: (GRW, GI, SGD. GI, 2015) (LHR, GI, 2018)
(A) Ammon telic
(B) Amino telic
(C) Ureotelic
(D) Ureotelic
The Removal of Sebum on the Skin is for: (SGD. GI, BWP. GI. 2015)
(A) Nutrition
(B) Excretion
(C) Protection
(D) Thermoregulation
Number of Ammonia molecules required to produce one molecule of urea is:
(LHR. GI. 2015) (RWP.2018)
(A) 01
(B) 02
(C) 03
(D) 04
Nitrogenous waste is very toxic and dissolves quickly in body fluid is:
(DGK. GI, 2014) (FBD. GII, 2015) (DGK. GI. 2017)
(A) CO2
(B) Urea
C Ammonia
(D) Uric Acid
Flame cells are part of excretory system of:
(LHR. GII, 2014)(BWP. GI, 2016) (DGK. GI, FBD. GI, 2017) (SGD. 2018)
(A) Hydra
(B) Cockroach
(C) Planaria
(D) Earthworm
Animals of the group of flatworms have a simple tubular excretory system called:
(RWP. GI, 2016)
(A) Kidney
(B) Nephron
(C) Nephridia
(D) Protonephridia
The planaria flatworm have simple tubular excretory system known as: (DGK. GII, 2016) (LHR. GII, 2018)
(A) Protonephridium
(B) Metanephridium
(C) Mesonephridium
(D) Prenephridium
A network of closed tubule without internal openings is called:
(LHR. GII, 2015)
(A) Protonephridium
(B) Metanephridium
(C) Nephron
(D) Kidney
The group of animals whose excretory system is structurally associated with the digestive tract: (SGD. GII, 2015)
(A) Vertebrates
(B) Earthworm
(C) Planaria
(D) Insects
Cockroach and other insects remove their nitrogenous waste in form of:
(LHR. GII, FBD. G1, 2015)
(A) Ammonia
(B) Urea
(C) Uric Acid
(D) Creatinine
Fresh water Flatworms excrete: (BWP. GI. 2015)
(A) Very Dilute Urine
(B) Very Concentrated Urine
(C) Slightly Concentrated Urine
(D) Moderately Concentrated Urine
The tubular excretory system of Planaria is: (AJK. GI, 2015)
(A) Protonephridia
(B) Metanephridia
(C) Mesonephridia
(D) Eunephridia
Protonephridium is found in: (GRW. GII, 2014)
(A) Hydra
(B) Planaria
(C) Earthworm
(D) Cockroach
Metanaphridia are the excretory structures present in: (BWP. GI, 2014) (GRW.2018)
(A) Hydra
(B) Planaria
(C) Cockroach
(D) Earthworm
Excretory structure present in cockroach are: (DGR. GII, 2014) (BWP. 2018)
(A) Contractile vacuole
(B) Malpighian tubules
(C) Nephridia
(D) Flame cells
The central station of metabolism and the body’s central metabolic clearing agent is:
(LIIR. GII, GRW.GII, 2014) (AJK. 2018)
(A) Stomach
(B) Liver
(C) Kidneys
(D) Gut
Which of the following is not synthesized in Liver? (SWL. GI, 2015)
(A) Urea
(B) Uric Acid
(C) Albumin
(D) Urine
Of all the excretory products, the principal one is: (MLN. GI, 2017)
(A) Ammonia
(B) Urea
(C) Uric Acid
(D) Bilirubin
Which one is an example of Xerophytes? (SGD. GI. 2017)
(A) Brassica
(B) Rose
(C) Mango
(D) Cactus
Urea is produced in: (GRW. GI, 2017)
(A) Lungs
(B) Liver
(C) Kidneys
(D) Pancreas
Arginase splits the arginine to form urea and: (GRW.GI. 2017)
(A) Ornithine
(B) Citrulline
(C) Creatinine
(D) Ammonia
Urine leaves the kidney through a duct called: (LUR. GII, 2016)
(A) Urethra
(B) Pelvis
C) Ureter
(D) Nephron
Pressure filtration in the kidney specifically occurs at (GRW.GI. 2016)
A Bowman’s capsule
(B) Loop of Henle
(C) Vasa recta
(D) Urine collecting
Mammalian Kidney including human is adapted to conserve water up to: (MLN. GI, 2015)
(A) 69.5%
(B) 79.5%
(C) 89.5%
(D) 99.5%
The urine leaves the body during urination from the bladder through a tube called: (AJK, GI. 2015)
(A) Pelvis
(B) Urethra
(C) Ureter
(D) Medulla
Blood supplied to Kidneys from each cardiac beat is: (RWP. GI. 2014)
(A) 10%
(B) 20%
(C) 30%
(D) 50%
In Juxtamedullary nephrons, additional capillaries extend down to form a loop of vessels called: (FBD. GI, 2014) (LHR. GI. AJK. GI, 2017)
(A) Peritubular Capillaries
(B) Efferent arterioles
C) Vasa recta
(D) Glomerulus
All the collecting tubules of human kidney finally discharge into the: (FBD. GI, 2017)
(A) Bowman’s Capsule
(B)Glomerulus
(C) Pelvis
(D) Urethra
Which one of the following structures of the kidney is involved in the production of
concentrated urine? (LHR. GI. 2017)
(A) Glomerulus
(B) Juxtamedullary nephron
(C) Cortical nephron
(D) Vasa recta
A pair of kidneys, consist of millions of functional units called: (DGK. GII, 2017)
(A) Nephrons
(B) Neurons
(C) Dendrons
(D) Flatrons
The reabsorption of water in collecting tubules is under the control of: (RWP. GI, 2017)
(A) Aldosterone
(B) ADH
(C) Tubular Secretion
(D) Pressure filtration
Non-surgical removal of kidney stone is called: (SWL. GI, 2016)
(A) Dialysis
(B) Lithotripsy
(C) Uremia
(D) Kidney transplant
The high degree of renal failure is also called as (DGK. GI, 2016) (SGD. 2018)
(A) Uremia
(B) Leukemia
(C) Anemia
(D) Lithotripsy
The incidence of calcium oxalate type stones of kidney are: (LHR. GII, DGK. GII, 2014) (LHR. GI, SGD. GI, 2015) (BWP. GI, LIIR. GI, SGD. GI, 2016)
(A) 40%
(B) 50%
(C) 60%
(D) 70%
The high degree renal failure is called: (GRW. GI, 2015)
(A) Uremia
(B) End stage Renal Disease
(C) Both A & B
(D) Uredecty
The human abdominal cavity is lined by a thin epithelium called:
(MLN. GI, 2014) (SWL. GII, DGK. 2017)
(A) Ectoderm
(B) Endoderm
(C) Peritoneum
(D) Epidermis
Hemodialysis means: (LHR. GII, 2017)
(A) Removing the blood
(B) Clearing the blood
(C) Diluting the blood
(D)Storing the blood
A high level of circulating calcium in the blood is called: (BWP. GI, 2017)
(A) Hypercalcemia
(B) Hypoglycemia
(C) Osteomalacia
(D) Hyperoxaluria
Super cool cytosol, without ice formation, is caused by: (RWP. GI, 2014)
(A) Heat shock proteins
(B) Unsaturated fatty acids
(C) Solutes
(D) Enzymes
Most land mammals respond to cold by raising their: (DGK. GII, 2016)
(B) Shivering Thermogenesis
(A) Furs
(C) Bristles
(D) Spines
The mechanism of evaporative cooling in the respiratory tract of a dog is known as (DGK, G1, 2015)
(A) Skin
(B) Panting
(C) Thermoregulation
(D) Vasodilation
Which one of the following is an Endotherm? (DGK. GI, 2016)
(A) Humming Bird
(B) Reptiles (Lizard)
(C) Birds
(D) Bat
Which of the following is not endotherm? (FBD, GI, 2014) (DGK. GI, 2015)
(A) Bird
(B) Amphibian
(C) Flying Insect
(D) Mammal
Activation of Sweat Glands to produce sweat for evaporative cooling is a type of adaptation:
(SGD. GI, 2016) (GRW.2011 (SGD. GI, 2014) (GRW. GI, 2016) (MLN. 2018)
(A) Structural
(B) Physiological
(C) Behavioral
(D) None of these
Chemical that causes fever and is produced from blood cells are:
(A) Bilirubin
(B) Interferons
(C) Pyrogens
(D) Antibodies
The rate of heat production is increased by increasing muscle contraction, by movement is called: (DGK. GII, 2015)
(A) Thermoregulation
(B) Shivering Thermogenesis
(C) Non-Shivering Thermogenesis
(D) Thermostat
MCQs Of Biology Fsc Part 2
Saliva and urine are used for evaporative cooling by (MLN. GI, 2014)
(A) Bat
(B) Dogs
(C) Birds
(D) Seals
The body temperature regulation in human is based on the complex homeostatic thermostat
present in the:
(A) Cerebrum
(B) Medulla Oblongata
(C) Hypothalamus
(D) Thalamus
Animals inhabiting an environment with acute shortage of water excrete.
(A) Ammonia
(B) Uric Acid
(C) Urea
(D) Allantois
In bacterial and viral infections, pathogens and leukocytes cell produce a chemical called:
(BWP. GI, 2017)
(A) Pyrexia
(B) Toxins
(C) Aflatoxins
(D) Pyrogen
The partly digested food in cockroach is temporarily stored in: (LHR. GII, 2017)
(A) Crop
(B) Gizzard
(C) Rectum
(D) Stomach
The incidence of calcium phosphate stones in humans are: (RWP. GII, 2017)
(A) 5%
(B) 10%
(C) 15%
(D) 20%
A disease caused by the low level of calcium in the blood is called: (MLN. GI, 2017)
(A) Cramp
(B) Paralysis
(C) Tetany
(D) Tetanus
The germ theory of disease was formulated by (LHR. GII, 2017)
(A) Robert Koch
(B) Louis Pasteur
(C) Edward Jenner
(D) Christian Gram
Metabolism of purines and pyrimidine’s produce a significant amount of (LHR. GII, 2014)
(A) Creatinine
(B) Creatine
(C) Xanthine
(D) Trim ethyl amine oxide
The mechanism, which eliminates nitrogenous waste, is referred to as (SWL. GI, 2014)
(A) Osmoregulation
(B) Excretion
(C) Thermoregulation
(D) Ejection
Bats and hummingbirds are called: (LHR. GI, 2018)
(A) Ectotherms
(B) Endotherms
(C) Heterotherms
(D) Mesotherms
The blood vessel supplying the blood to Bowman’s capsule is: (LHR. GII. 2018)
(A) Afferent arterioles
(B) Efferent arterioles
(C) Renal artery
(D) Renal vein
The excretory product requires minimum water for its removal: (DGK. 2018)
(A) Urea
B) Uric acid
(C) Creatinine
(D) Ammonia
The glomerular filtrate is reabsorbed in: (MLN. 2018)
(A) Proximal tubule
(B) Bowman’s capsule
(C) Loop of Henley
(D) Distal tubule
In each nephron inner end form a cup-shaped swelling called: (FSD. 2018)
(A) Glomerulus
(B) Henley’s loop
(C) Bowman’s capsule
(D) Pelvis
Summary:
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