Identify correct sentence.

MCQ

✓
When $PCO_2$ is high and $PO_2$ is low as in the tissue, more binding of carbon dioxide occurs.
B
Fibrosis is a disorder of digestive system.
C
Solubility of $CO_2$ is $20 -25$ times lower than that of $O_2$
D
Carbonic anhydrase is very less in $RBC$ than that of plasma.

✓

Answer

Correct option: A.

When $PCO_2$ is high and $PO_2$ is low as in the tissue, more binding of carbon dioxide occurs.

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$(a)$ secretion of secondary metabolities and their deposition in the lumen of vessels.

$(b)$ deposition of organic compounds like tannins and resins in the central layers of stem.

$(c)$ deposition of suberin and aromatic substances in the outer layer of stem.

$(d)$ deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem.

$(e)$ presence of parenchyma cells, functionally active xylem elements and essential oils.

Choose the correct answer from the options given below:

$(1)$ Biological names are given in two words

$(2)$ Genus starts with a capital letter while Species name starts with a small letter

$(3)$ Name of author appears first in the nomenclature