List-I (No. of weeks) |
List-II (Major features) |
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A. | After 4 weeks of pregnancy | I. | Eye-lids separate and eyelashes are formed |
B. | After 12 weeks of pregnancy | II. | Heart is formed |
C. | After 24 weeks of pregnancy | III. | Limbs and digits are developed |
D. | After 8 weeks of pregnancy | IV. | External genital organs are well developed |
Match the following columns and select the correct option.
Column-I | Column-II | ||
a. | Placenta | (i) | Androgens |
b. | Zona pellucida | (ii) | Human chronic Gonadotropin |
c. | Bulbo-urethral glands | (iii) | Layer of the ovum |
d. | Leydig cells | (iv) | Lubrication of the Penis |
a | b | c | d | |
1. | (i) | (iv) | (ii) | (iii) |
2. | (iii) | (ii) | (iv) | (i) |
3. | (ii) | (iii) | (iv) | (i) |
4. | (ii) | (iv) | (i) | (ii) |
1. | hCG, hPL, progesterone, prolactin |
2. | hCG, hPL, estrogens, relaxin, oxytocin |
3. | hCG, hPL, progesterone, estrogens |
4. | hCG, progesterone, estrogens, glucocorticoids |
1. A-2 B-4 C-3 D-1
2. A-3 B-4 C-1 D-2
3. A-3 B-1 C-4 D-2
4. A-1 B-4 C-3 D-2
Several hormones like hCG, hPL, oestrogen, progesterone are produced by:
1. | ovary | 2. | placenta |
3. | fallopian tube | 4. | pituitary |
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 |