Q. No.Chorion in terrestrial vertebrate embryos:
1.
prevents desiccation of the embryo
2.
helps in the exchange of oxygen and carbon dioxide with the environment
3.
perform excretory functions
4.
acts as a shock absorber
In humans, the majority of the placenta is formed by:
1. allantois
2. amnion
3. chorion
4. yolk sac
The functions of the placenta include:
| I: | Acts as an excretory organ. |
| II: | Acts as a respiratory organ. |
| III: | Acts as an endocrine organ. |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
During cleavage divisions, successive blastomeres:
1. have a decreasing nuclear/cytoplasmic ratio
2. become smaller and smaller
3. grow larger and larger
4. undergo meiotic divisions.
Gonadotropin releasing hormone (GnRH) is released from:
1. anterior pituitary
2. hypothalamus
3. gonads
4. posterior pituitary
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the correct statement regarding the onset of puberty amongst the following:
1. LH is the first hormone to demonstrate an increased secretion
2. GnRH secretion decreases
3. spermatogenesis in males in stopped
4. secretion of sex steroids decreases
© 2024 GoodEd Technologies Pvt. Ltd.