The amount of heat required for a liquid-gaseous state change is called
a. latent heat of vaporization.
b. specific Heat of vaporization
c. specific latent heat of vaporization. d. none of these
___is a jelly-like substance inside the plasma membrane in which
all the cell organelles are found floating.
a. Tonoplasmb . b Cytoplasmc . c Karyoplasmd . d Cell sap
Which element can form positive ions by the loss of electrons?
a. Metal
b. Nonmetal c . Metalloid
d. None of these
Which of the following prevents the entry of food into the trachea?
a. Glottis
b. Hard palate c. Soft palate d . Epiglottis
Find the odd man out.
a. Spirogyra b. Phytoplankton
C. Amoeba
d Bacteria
Which of the following mixture can be separated using fractioning column?
a. Pentane and acetic Acid
b. Chloroform and water
c. Water and alcohol
d. Carbon tetrachloride and water
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