Question
State the function of trophoblast in human embryo.
✓
Answer
Trophoblast forms chorionic villi, which become part of the placenta.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain aquatic ecosystem by taking example of small pond.
A population of Paramoecium caudatum was grown in a culture medium. After 5 days the culture medium became overcrowed with Paramoeium and had depleted nutrients. What will happen to the population and what type of growth curve will the population attain? Draw the growth curve.
Answer the following questions:
Still it is observed that it does not form a continuous layer around the pollen grain. Give reason.
Still it is observed that it does not form a continuous layer around the pollen grain. Give reason.
Expressed your views in detail to save an unbalanced ecosystem.
Answer the following questions:
What is plasmid?
What is plasmid?
- Write the palindromic nucleotide sequence for the following DNA segment:
5' - GAATTC - 3'
- Name the restriction endonuclease that recognises this sequence.
- How are 'sticky ends' produced? Mention their role.
Do you justify the statutory ban on aminocentesis in our country? Give reasons.
Mention the difference between spermiogenesis and spermiation.
-
What does central dogma state in molecular biology? How does it differ in some viruses?
Expand the following and explain any one of them:
- IVF
- ZIFT
- MTP