Question
Differentiate between
Hormone and Enzyme

Answer

 
HormoneEnzyme
 They are produced by endocrine glands. They are produced by exocrine glands.
 Chemically they may be proteins, steroids or their
 derivatives.
 All enzymes are proteins.
 They are secreted at one site and act at another. They act at their site of secretion or pass     through ducts to their site of action.
 Hormone-regulated processes are not reversible. Enzyme-mediated reactions are reversible.
 "They are effective in low concentration. Their
 under-secretion or over-secretion affects body
 metabolism and growth."
 They act in low concentration. An increase or
 decrease in their concentration affects the   rate of the process."
 They act either slowly or rapidly. They act quickly.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Given alongside are two figures (A and B) representing the two stages of evolution of human beings. Answer the following:

Mention any two contrasting characters between the two stages.
Match the items of column I with those of column II
Column I Column II
1β  (beta) cells of islets of
Langerhans
acondition due to undersecretion of
thyroxine in adults
2Thyroid bGlucocorticoids
3Cretinism cExophthalmic goitre
4Addison's disease dIncreases heart beat
5Hypothyroidism eThyroxine
6Myxoedema fAdrenal cortex
7Adrenaline Under secretion of
thyroxine in a
child
hUnder secretion of
thyroxine in a
child
Where does fertilization occur?
Differentiate between the following:
Hydrotropism and Geotropism
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
Column IColumn II
GeneticsStudy of laws of inheritance of characters 
AutosomesChromosomes are other than the pair of sex chromosomes.
Recessive geneA gene that can express only when in a similar pair.
AlleleThe alternative forms of a gene.
Homologous chromosomesChromosomes are similar in size and shape.
Given below is a diagram depicting a defect of human eye. Study the same and then answer the questions that follows.

Image
(i) Identify the defect shown in the diagram.
(ii) Mention the cause of this defect.
(iii) Which lens is used to correct this defect?
Differentiate between:
Light reaction and Dark reaction
Given below are some pictures. Match them with the correct options.

PicturesCross
1.Imagea.Incomplete 
2.Imageb.Sex determination
3.Imagec.Dihybrid cross
4.Imaged.Pedigree analysis
 
The diagram given below is that of a developing human fetus in the womb. Study the same and then answer the questions that follow:

(i) Name the parts’l’ to ‘5’ indicated by guidelines.
(ii) What term is given to the period of development of the fetus in the womb?
(iii) How many days does the fetus take to be fully developed?
(iv) Mention two functions of the parts labeled ‘2’ other than its endocrine function.
(y) Name the hormone (anyone) produced by the part labeled ‘2’.
(vi) What is The function of the part marked ‘3’?