Hormones are secreted by ductless glands of the human body. The iodine-containing hormone is:

  • A
    Insulin
  • B
    Thyroxine
  • C
    Testosterone
  • D
    Adrenaline

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Similar Questions

Which of the following enzymes is found in saliva?

Which of the following is an example of a protein that acts as a hormone?

Match the following enzymes given in Column-$I$ with the reactions they catalyse given in Column-$II$.
Column-$I$ (Enzymes) Column-$II$ (Reactions)
$A$. Invertase $1$. Decomposition of urea into $NH_3$ and $CO_2$
$B$. Maltase $2$. Conversion of glucose into ethyl alcohol
$C$. Pepsin $3$. Hydrolysis of maltose into glucose
$D$. Urease $4$. Hydrolysis of cane sugar
$E$. Zymase $5$. Hydrolysis of proteins into peptides

Match List-$I$ with List-$II$.
List-$I$ List-$II$
$a$. Zymase $i$. Stomach
$b$. Diastase $ii$. Yeast
$c$. Urease $iii$. Malt
$d$. Pepsin $iv$. Soyabean

Choose the correct answer from the options given below:

The enzyme ptyalin used for the digestion of food is present in

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