Entry test MDCAT contains most of the Biology MCQs. FSC Part 1 bio book MCQs. HSSC Biology questions MCQs. Solved Chapterwise Biology MCQs for first-year 11 class MCQs. Second-year and first-year bio textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations
PLS Boost Bundle
Get Access to 20 thousands+ MCQs Including Topical MCQs, Practice Tests, Mock Tests, Solved Past Papers, Flashcards, Notes, FLPS, and Much More.
In humans, the temperature regulation control center is located in:
PMC 2020
Biology
Homeostasis
Elimination Tool:
Which of the following fishes excrete large volume of diluted urine?
In animals excess of nitrogen is excreted primarily in form of
Which one is not a nitrogen waste?
NUMS 2018
Biology
Homeostasis
Elimination Tool:
In osmosis water molecules move from area of _______ to _______ through semipermeable memberane
The technique used for the non-surgical removal of kidney stones is called:
NUMS 2016
Biology
Homeostasis
Elimination Tool:
In a marine environment, the ion secreted by the kidney is:
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Most of the marine invertebrates are
The characteristic which enable animals to tolerate dehydration is called
When the temperature of the surrounding environment rises, body responds by:
PMC 2020
Biology
Homeostasis
Elimination Tool:
The mechanism by which substances are removed from the blood and are directly added to the tubular fluids is called:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
Purine and pyrimidine catabolism results in production of
Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining.
In plants which of the following is a waste product produced both during photosynthesis and respiration
Sphincter muscle in urinary system present near the junction of:
NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:
Which one of the following group of animals is homeothermic?
NUMS 2014
Biology
Homeostasis
Elimination Tool:
The excretion of hypertonic urine in humans is associated best with the:
PMC 2020
Biology
Homeostasis
Elimination Tool:
Which of the following reduces the rate of transpiration by adaptations in xerophytes?
NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:
Capillaries present around the loop of Henle:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
The active uptake of sodium in the ascending limb or thick loop of Henle is promoted by the action of:
PMC 2020
Biology
Homeostasis
Elimination Tool:
In comparison to a constantly changing external environment, _____ is when the body maintains the internal processes to work in a narrow range of internal fluctuations.
NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:
In a hot summer after noon, if your body’s Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of
The only possible treatment in end stage renal failure is:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
Deamination in the liver initially produces:
NTS 2010
Biology
Homeostasis
Elimination Tool:
Right kidney is slightly lower than left kidney due to:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
Which of the following occurs in the body in response to the secretion of Glucagon?
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Humans maintain their body temperature within a narrow limit due to their _____ characteristics.
NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:
Which of the following statement about conifers is correct?
As an excretory organ, liver:
PMC 2020
Biology
Homeostasis
Elimination Tool:
Malpighian tubules are involved in excretion in:
NTS 2011
Biology
Homeostasis
Elimination Tool:
The disease in which patients passed urine that rapidly turned black on exposure to air is called:
NTS 2011
Biology
Homeostasis
Elimination Tool:
Which of the following structure in plant’s body is called excretophores?
Which of the following statement about Homeostasis is incorrect
Urine leaves the kidney through a duct called:
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Terrestrial animals like kangaroo rat survive even without drinking water since
Glomerulus in kidneys is made up of:
NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:
Which excretory product in produced in plants during autotrophic mode of life?
Which of the following types of transpiration account for 5 – 7 % of total transpiration that take place in plants?
NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:
Rose is an example of
Negative feedback mechanism is the characteristic of which class?
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Which of the following substances helps to concentrate urine?
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Which hormone prepares the body for situations of stress and emergency?
NUMS 2014
Biology
Homeostasis
Elimination Tool:
The major portion of (NH)2CO is secreted by:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
High level of _____ and _____ in the blood and the contributing factors in the formation of kidney stones.
NUMS 2018
Biology
Homeostasis
Elimination Tool:
Humans are:
NUMS 2016
Biology
Homeostasis
Elimination Tool:
The concentration of Na ions in the body fluids is controlled by the ____ hormone.
NTS 2012
Biology
Homeostasis
Elimination Tool:
Which organ is called the body thermostat?
NUMS 2020
Biology
Homeostasis
Elimination Tool:
Urine formation is the result of:
NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:
The water content of mammalian blood is regulated by antidiuretic hormone(ADH). In which part of the nephron does regulation occur ?
NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:
The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called
Which part of the brain regulates body temperature?
NTS 2016 SMBBMC
Biology
Homeostasis
Elimination Tool:
When a frog is kept in water for some time it sheds a thin covering of skin called ____
NUMS 2014
Biology
Homeostasis
Elimination Tool:
The site and principal mechanism for the passage of glucose into the bloodstream in the human kidney is the:
NTS 2014
Biology
Homeostasis
Elimination Tool:
Ureter open into the urinary bladder through:
NUMS 2018
Biology
Homeostasis
Elimination Tool:
Ammonia is chief excretory product in:
NUMS 2014
Biology
Homeostasis
Elimination Tool:
Reabsorption of calcium is triggered by:
NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:
Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
The human body maintains all of its cells’ internal concentration _____ to internal body fluid.
NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:
The condition of a stable internal environment in an organism is:
NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:
Sunken stomata are found in:
NUMS 2014
Biology
Homeostasis
Elimination Tool:
The excretory product that requires minimum water for its elimination compared to others is:
NUMS 2017
Biology
Homeostasis
Elimination Tool:
________ are animals that do not adjust their internal osmolality and are isotonic with their environment.
NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:
Thick, waxy & leathery cuticle around leaves is present in
Which of the following marine fishes are considered direct descendents of fresh water ancestors?
Excretory system, consisting of protonephridia tubes, are present in phylum:
NUMS 2020
Biology
Homeostasis
Elimination Tool: