Match the following columns:Column IColumn II | vedclass

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(D) The correct matches are as follows:$1.$ Pneumococci (Streptococcus pneumoniae) infect the alveoli (air sacs) of the lungs, causing pneumonia. Thus

Vedclass · Accepted Answer

$(1-b), (2-d), (3-a), (4-c)$

Vedclass · Answer

(D) The correct matches are as follows:$1.$ Pneumococci (Streptococcus pneumoniae) infect the alveoli (air sacs) of the lungs, causing pneumonia. Thus, $1-b$.$2.$ Plasmodium, the causative agent of malaria, infects liver cells and red blood cells in humans. Thus, $2-d$.$3.$ Filarial worms (Wuchereria bancrofti) infect the lymphatic vessels and lymph nodes, causing filariasis (elephantiasis). Thus, $3-a$.$4.$ Retrovirus $(HIV)$ attacks macrophages and helper $T$ cells, leading to a decline in immunity. Thus, $4-c$.Therefore, the correct sequence is $(1-b), (2-d), (3-a), (4-c)$.

Column $I$	Column $II$
$1.$ Pneumococci	$a.$ Attack lymphatic vessels and lymph nodes
$2.$ Plasmodium	$b.$ Attack alveoli
$3.$ Filarial worm	$c.$ Attack macrophages and helper $T$ cells
$4.$ Retrovirus	$d.$ Attack liver cells and red blood cells

Column-$I$	Column-$II$	Column-$III$
$(a)$ $Streptococcus$ $pneumoniae$	$(p)$ $3-7$ days	$(z)$ Common cold
$(b)$ $Salmonella$ $typhi$	$(q)$ $1-3$ weeks	$(x)$ Typhoid
$(c)$ $Rhinovirus$	$(r)$ $1-3$ days	$(y)$ Pneumonia

Match the following columns:
Column $I$ Column $II$
$1.$ Pneumococci $a.$ Attack lymphatic vessels and lymph nodes
$2.$ Plasmodium $b.$ Attack alveoli
$3.$ Filarial worm $c.$ Attack macrophages and helper $T$ cells
$4.$ Retrovirus $d.$ Attack liver cells and red blood cells

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Match the following columns correctly.

Column-$I$ Column-$II$ Column-$III$

$(a)$ $Streptococcus$ $pneumoniae$ $(p)$ $3-7$ days $(z)$ Common cold

$(b)$ $Salmonella$ $typhi$ $(q)$ $1-3$ weeks $(x)$ Typhoid

$(c)$ $Rhinovirus$ $(r)$ $1-3$ days $(y)$ Pneumonia

State whether true or false :
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$(3)$ $B$-lymphocytes provide cell-mediated immunity.
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Match the following columns:Column $I$Column $II$$1.$ Pneumococci$a.$ Attack lymphatic vessels and lymph nodes$2.$ Plasmodium$b.$ Attack alveoli$3.$ Filarial worm$c.$ Attack macrophages and helper $T$ cells$4.$ Retrovirus$d.$ Attack liver cells and red blood cells