MCQ
Which one is a true statement regarding DNA polymerase used in PCR?
- AIt is used to ligate introduced DNA in recipient cells.
- BIt serves as a selectable marker.
- CIt is isolated from a virus
- ✓It remains active at high temperature.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column - $I$ | Column - $II$ |
| $(i)$ Typhoid |
$(a)$ Haemophilus influenzae |
| $(ii)$ Malaria | $(b)$ Wuchereria bancrofti |
| $(iii)$ Pneumonia | $(c)$ Plasmodium vivax |
| $(iv)$ Filariasis | $(d)$ Salmonella typhi |
$I.$ 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?

Identify the correct option for the three blanks $A, B$ and $C$
| Gland | Secetion | Effect on Body |
| $A$ | Oestrogen | Maintenance of secondary sexual characters |
| Alpha cells of islets of Langerhans | $B$ | Raises blood sugar level |
| Anterior pituitary | $C$ | Over secretion leads to gigantism |
Reason : No recessive individual are obtained in the monohybrid test cross.