Testosterone secretion before birth is due to:
1. FSH
2. GnRH
3. HCG
4. LH
Implantation does not:
1. involve a blastocyst
2. occur in the uterine tube
3. establishes pregnancy
4. occurs by seventh-eighth day
Identify the human development stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together:
| Developmental stage | Site of occurrence | |
| 1. | Blastula | End part of fallopian tube |
| 2. | Blastocyst | Uterine wall |
| 3. | 8-celled morula | Starting point of fallopian tube |
| 4. | Late morula | Middle part of fallopian tube |
Match column I with column II and select the correct option using the codes given below
| Column 1 | Column II |
| 1. Mons pubis | a. Embryo formation |
| 2. Antrum | b. Sperm |
| 3. Trophoectoderm | c. Female external genitalia |
| 4. Nebenkern | d. Graafian follicle |
Codes:
A B C D
1. c d b a
2. c d a b
3. c a d b
4. a d c b