MCQ
Identify the parts labelled as $A, B, C$ and $ D$
- A
A B C D Head Neck Collar Tail - B
A B C D Capsule Tail Collar Pins - ✓
A B C D Head Collar Tail Plate - D
A B C D Head Tail Collar Prongs
| A | B | C | D |
| Head | Neck | Collar | Tail |
| A | B | C | D |
| Capsule | Tail | Collar | Pins |
| A | B | C | D |
| Head | Collar | Tail | Plate |
| A | B | C | D |
| Head | Tail | Collar | Prongs |
| A | B | C | D |
| Head | Collar | Tail | Plate |
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$bb =$ for brown colour alleles
Offspring of a cross between a black mouse and brown mouse allowed to interbreed than find out the percentage of black coat in them
| Column $- I$ | Column $- II$ |
| $(a)$ Contraceptive pilll | $(1)$ Ejaculated semen would not enter into the female reproductive tract |
| $(b)$ Condom | $(2)$ Inhibit ovulation and implantation |
| $(c)$. Sterilsation | $(3)$ Increase phagocytosis of sperms |
| $(d)$ IUDs | $(4)$ Blocks gariete transport |