Which one of the following is wrong for meiosis?
It leads to formation of sister chromatids
It occurs in diploid cell
It occurs in haploid cell
It occurs by splitting of centromeres and separation of sister chromatids
Which one of the following combination of all three fatty acids are essential for human beings?
Oleic acid, linoleic acid and linolenic acid
Palmitic acid, linoleic acid and arachidonic acid
Oleic acid, linoleic acid and arachidonic acid
Linoleic acid, linolenic acid and arachidonic acid
What is the stroke volume of an adult human heart?
50 mL
70 mL
90 mL
100 mL
B.
70 mL
During a cardiac cycle, each ventricle pumps out approximately 70 mL of blood which is called stoke volume. This stroke volume when multiplied by the heart rate (number of beats per min) gives the cardiac output.
The epithelium found in the inner linings of stomach and intestine is
columnar
squamous
stratified
pseudostratified
Which one of the following cocci appears like grapes under microscope?
Streptococci
Diplococci
Staphylococci
Pneumococci