MCQ
Epithelial tissue is distinguished from connective tissue, muscular, or nervous tissue by its
- Alarge extracellular matrix.
- Bcontractibility.
- Cability to carry actionpotentials.
- ✓basement membrane.
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$(i)$ Due to alteration of $DNA$ sequences genotype is change.
$(ii)$ Changes occur in phenotype.
$(iii)$ Variation create in $DNA$
$\begin{array}{|l|l|} \hline Column\,\,-\,\,I & Column\,\,-\,\,II \\ \hline (1)\,\,Scolidon & (p)\,\,Saw\,\,fish \\ \hline (2)\,\,Pristis & (q)\,\,Sting\,\,fish \\ \hline (3)\,\,Carcharodon & (r)\,\,Dog\,\,fish \\ \hline (4)\,\,Trygon & (s)\,\,Great\,\,white\,\,shark \\ \hline \end{array}$
$I.$ People should get vaccination to avoid infection
$II.$ Vaccination is available against polio, cholera, typhoid, tuberculosis and many othe disease
$III.$ Eradication of vectors are necessary in diseases like malaria and filariasis
$IV. $ Dengue and chikengunya, both are spread by Culex mosquitoes
Which of the statements given above are correct?
$A.$ Pelvic inflammatory disease $(PID)$
$B.$ Still births
$C.$ Infertility or even cancer of reproductive tract
$D.$ Ectopic pregnancies