Question
What is trophoectoderm?

Answer

The outer layer of blastocyst is referred to as trophoectoderm or trophoblast.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Expand GEAC. Why was GEAC established? Mention the responsibilities assigned to this organisation.
Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?
Explain the laws that Mendel derived from his monohybrid crosses.
Describe the various methods of birth control.
The following graph represents the organismic response to certain environmental condition (e.g., temperature):
  1. Which one of these, ‘a’ or ‘b’, depicts conformers?
  2. What does the other line graph depict?
  3. How do these organisms differ from each other with reference to homoeostasis?
  4. Mention the category to which humans belong.
Explain the inheritance of hemophilia?
During a biology lecture in class the teacher called apple seeds as seeds but maize seeds as grains. On hearing this Amit got confused and asks her teacher the reason behind this. The teacher appreciated Amit and cleared all his doubts.
  1. What is the difference between seed and grain?
  2. How are maize grains formed?
  3. Explain along with a labelled diagram of the vertical section of a maize grain.
  4. What values are shown by Amit?
When does ovulation occur?
Study the population growth curves in the graph given below and answer the questions which follow?
  1. Identify the growth curves 'a' and 'b'.
  2. Which one of them is considered a more realistic one and why?
  3. If $\frac{\text{dN}}{\text{dt}}=\text{r N}\Big(\frac{\text{K}-\text{N}}{\text{K}}\Big)$ is the equation of the logistic growth curve, what does K stand for?
  4. What is symbolised by N?
Describe the process of sporulation seen in Amoeba.