BISE ABOTTABAD BIOLOGY CLASS 10th MCQ's

     

Past Papers MCQ's

1.                     Food is prevented from entering into larynx by ______

                 a. glottis                    b. epiglottis              c. vocal cards         d. internal nostrils

2.                     Oxygen from the lungs enter into the blood due to_____.

               a. diffusion                  b. less affinity of O₂  for air  

               c. osmosis                   d. higher affinity of CO₂  for air

3.                     Which part of the air passageway is also called the windpipe

                a. bronchus                  b. alveolus             c. larynx           d . trachea

4.                In which diseases are the walls of the alveoli are broken

               a.  pneumonia                 b. bronchitis        c. emphysema      d. asthma

5.                    The diaphragm is flat, the ribs move out; this occurs during

                 a. expiration                b. inspiration      c. lungs expansion     d. breathing

6.                     The chest cavity is  separated from the abdominal cavity by a muscle called_____

                  a. larynx                       b. trachea                  c. bronchus         d. diaphragm

7.                     Respiration at cellular level is known as___________

                  a. breathing                 b. ventilation          c. oxidation          d. inhalation 

8.                     High fever, cold and cough with sputum production are symptoms of __________

                a. emphysema                b. asthma               c. phenomena       d. bronchitis

9.                     Chemotherapy is a treatment of ___________

                a. emphysema               b. bronchitis            c. asthma          d. lung cancer

10.                    The correct order of the structures involved in the flow of air in the human body              is____________

                 a.                   pharynx , trachea, larynx , bronchi, bronchioles

                 b.                   larynx , pharynx ,trachea ,bronchioles , bronchi

                 c.                   trachea ,  pharynx ,larynx, bronchi, bronchioles

                d.                   pharynx,  larynx , trachea ,bronchi, bronchioles

11.                    Organisms have the ability to change and modify their internal condition according to the environment through

                 a. osmoregulation           b. excretion           c. thermogulation          d.  all  of these

12.                    All of the following are the adaptation of xerophytes except

                a. thick  cutical                    b. large number of stomata   

               c. sunken stomata                 d. deep root system 

13.                    The loss of water from the plants in the form of small droplets is

               a. stomach  transpiration               b.  cuticular transpiration

                c. lenticular transpiration             d.  guttation

14.                    From a nephron, wastes enter into the ________

                 a. collecting tubules                     b. ureter    

                c. convoluted tubules                    d. medulla

15.                    The tube between the kidney and urinary bladder is the

                  a. ureter                      b. urethra             c. renal tubule                d. nephron

16.                    Waste products excreted by the kidneys are

                  a.                   urea,water and salt                               b. urea and salt  

                  c. salt, water and carbon dioxide                       d. urea and water

17.                    Secretion of urea in sweet makes skin a ______

                  a. Respiratory organ                                           b .breathing organ

                 c . exretory organ                                                d. Digestive organ

18.                    Two main function of sweet are to

                 a. keep the body cool and to remove excess proteins

                b. keep the body warm and to filter  the blood

                c. filter the blood and to remove waste product 

                d. remove waste product and to cool the body

19.                    Which is not present in the filtrate entering the Bowman,s capsule of a nephron.

                a. water             b. calcium ions              c. blood cell      d. urea

20.                    Liver also play a role in excretion it makes urea from _______

               a. Uric acid                      b. ammonia            c. carbondioxide          d. amino acid