MCQ
Crey 1AB controls :
- ACorn borer
- BRust of wheat
- ✓Cotton insects
- DMaize height insects
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| Column-I Methods | Column-II Working Methods |
| 1. Pills | i. Inhibit the sperms to reach cervix |
| 2. Condom | ii. Not allow the implantation |
| 2. Vas deferens | iii. Stoppage of ovulation |
| 3. Copper-T | iv. sperms in semen |
| Column $I$ | Column $II$ |
| $(a)\; XX-XO$ method of sex determination | $(i)$ Turner's syndrome |
| $(b)\; XX-XY$ method of sex determination | $(ii)$ Female heterogametic |
| $(c)$ Karyotype$-45 $ | $(iii)$ Grasshopper |
| $(d)\; ZW-ZZ$ method of sex determination | $(iv)$ Female homogametic |
Select the correct option from the following