MCQ
Select the correct pair :
- AAgrobacterium tumifaciens - Animal vector
- BBam $HI$ - $Amp^r$ gene
- CPst $I$ - $tet^r$ gene
- ✓Agerosegel - Seaweeds
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Although all the biodiversity hot spots put together covers less than ...$C$... $\%$ of the earth's land area, the number of species they collectively harbour is extremely high and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost ..$D$... $\%, A, B, C$ and $D$ in the paragraph refers to
Match List $- I$ with List $- II$ with respect to methods of Contraception and their respective actions.
| List$-I$ | List $- II$ |
| $(a)$ Diaphragms | $(i)$ Inhibit ovulation and Implantation |
| $(b)$ Contraceptive | $(ii)$ Increase phagocytosis of sperm within Uterus |
| $(c)$ Intra Uterine Device | $(iii)$ Absence of Menstrual cycle and ovulation following parturition |
| $(d)$ Lactational | $(iv)$ They cover the cervix blocking the entry of sperms |
Choose the correct answer from the options given below: