Easy Tutorial
For Competitive Exams

The amnion of mammalian embryo is derived from

mesoderm and trophoblast
endoderm and mesoderm
ectoderm and mesoderm
ectoderm and endoderm
Explanation:

The extraembryonic or foetal membranes are amnion, chorion, allantois and Yolk sac. Amnion is formed from mesoderm on outer side and ectoderm on inner side. Chorion is formed from trophoectoderm and mesoderm whereas allantois and Yolk sac membrane have mesoderm on outerside and endoderm in inner side.
Additional Questions

Hormones secreted by the placenta to maintain pregnancy are

Answer

The difference between spermiogenesis and spermiation is

Answer

The contraceptive ‘SAHELI’

Answer

Ciliates differ from all other protozoans in

Answer

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

Answer

Which of the following features is used to identify a male cockroach from a female cockroach?

Answer

Which one of these animals is not a homeotherm?

Answer

Which of the following animals does not undergo metamorphosis?

Answer

Which of the following organisms are known as chief producers in the oceans?

Answer

Which one of the following population interactions is widely used in medical science for the production of antibiotics?

Answer
Share with Friends
Privacy Copyright Contact Us