Fsc Part 2 Biology Online MCQs With Answer-Chapter 16 Support and Movements | ilmkidunya

Biology FSC Part 2 Chapter 16 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?	The mitochondria act as a store of Ca<sup>+2</sup>for the contractile process Ca<sup>+2 </sup>entry across the plasma membrane is important in sustaining the contraction of skeletal muscle A rise in inter cellular Ca<sup>+2 </sup>allows actin to interact with myosin The tension of a skeletal muscle fiber is partly regulated by G proteins muscle
2	In skletal muscle, calcium facilitates contraction by binding to:	Tropomyosim Troponin Actin Myosin
3	The remodeling of bone is a function of which cells?	Chondrocytes and asteocytes Osteoblasts and osteoclasts Chondroblasts and osteoclasts Chondroblasts and osteocytes
4	The organic portion of bones matrix is important in providing all but:	Tensile strength Hardness To resist stretch Flexibilty
5	The disorder in which bones are porous and thin but bone composition normal is:	Osteomalacia Osteoporosis Rickets Arthritis
6	An animal that worms itself mainly by absorping from its surroundings is known as:	Homoiotherm Ectotherm Endotherm None of these
7	In case of overheating the body temperature is regulated by:	More sweating and more urination More sweating and more urination Less sweating and more urinattion Less sweating and less urinattion
8	Why is there no glucose present in the filterate in the distal tubule of a nephron?	Its molecules are two large to pass across the base ment membrane It is removed by osmosis from the tubule It is positively absorp by the cells lining the descending loop of henie He is actively absorb by hte proximal tubule cells
9	Kidney health is described in terms of :	The number of kidney stones Rate of filteration Water retension Blood clot
10	The process during which potassium and hydrogen ions and some toxic substances are put into urine is called:	Tubular secretion Reabsorption Filtration Countercurrent multiplication
11	Which of the following is the last structure that urine passes through duration its excretion from the body?	Distal Tubule Urethra Urinary bladder Ureter
12	The most toxic substance routinely found in the blood are metabolities of what type of molecule?	Proteins Carbohydrates Nucleic acids Fats
13	Which of the following NOT dispose off a type of waste directly to the environment?	Digestive system Respiratory system Circulatory system Urinary system
14	The process that normally exerts the greatest control over the water balance of an individual is:	Sweating Kidney function Evaporation through the skin Respiratory loss
15	Which is the most important mechanism for water loss from the body?	Excretiong in urine Sneezing Sweating Eleminatin in feces
16	Shifts in water-solute balance are managed primarily by:	Respratory system The urinary system Sweating The circulatory system
17	Innate behaviour is a collection of responses that are predetermined by the	Heritage Birthright Inheritance Legacy

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