Placentation And Biogenetic Law Quiz: How Much You Know About Placentation And Biogenetic Law?

Questions : 11 | Total Attempts: 728 | Recent Updated: 21-Feb-2021
Am I a Dominant or Submissive Personality Quiz
Placentation is invariably associated with the viviparity of organism. It is the only organ in the animals formed by the temporary connection of the tissue-derived from two individuals mother and foetus. Part of the placenta-derived from the foetus is the foetal placenta while derived from the mother is the maternal placenta. In mammals, the placenta is fully formed in about 10 weeks and lasts throughout pregnancy. Biogenetic law states that ontogeny repeat phylogeny. Ontogeny is the life history of an individual animal phylogeny is the evolutionary history of the race of animals. It means that organisms ancestral history during development. Take Placentation And Biogenetic Law quiz and know more about placentation and biogenetic law.

Questions Excerpt


1. The human placenta is derived from....

A. Endoderm

B. Mesoderm

C. Ectoderm

D. Trophoblast

2. What kind of placenta found in a man?

A. Haemochorial

B. Syndesmochorial

C. Epitheliochorial

D. Haemoendothelial

3. From where Villi of human Placenta arise?

A. Chorion

B. Allantois

C. Amnion

D. Yolk sac

4. Which one of the following hormone HCG?

A. Anterior pituitary

B. Pineal body

C. Posterior pituitary

D. Placenta

5. In mammals, the fetus is nourished through.....

A. Blood

B. Placenta

C. Both of these

D. None of these

6. Which organisms embryo has a parasitic mode of nutrition?

A. Fish

B. Amphibian

C. Mammals

D. Reptilian

7. Which one of the following hormones not secreted by the placenta?

A. Relaxin

B. Progesterone`

C. HCG

D. Testosterone

8. Who put forward recapitulation theory?

A. Von Baer

B. Corren

C. Haeckal

D. Darwin

9. If the villi in the Placenta form a type of girdle around blastocyst, it is named as......

A. Discoidal

B. Diffused

C. Cotyledonary

D. Zonary

10. In the placenta of a goat.....

A. All the six tissue barriers are intact

B. Uterine epithelium is eroded

C. Uterine epithelium and uterine connective tissues eroded

D. Endothelium of mother's blood is eroded

11. Blood flowing in the umbilical cord of the human fetus is.....

A. 100% fetal

B. 100% maternal

C. 50% fetal ,50% maternal

D. More fetal ,less maternal

 

Drop your comment here...


Related Quizzes

Balanoglossus Quiz: How Much You Know About Balanoglossus?

Balanoglossus Quiz: How Much You Know About Balanoglossus?

Not just huge animals, whether dangerous or not, but even insects are essential for the world. Zoology today has seen several changes in the adaptability, suitability, and interests that have to lead to ample insects today all around the world. One o
Quiz: How Much You Know About DNA and Its Structure?

Quiz: How Much You Know About DNA and Its Structure?

Deoxyribonucleic acid or DNA is a polymer of deoxyribonucleotides and it is usually double-stranded. It has a double helix structure and it acts as the genetic material in most organisms. DNA carries genetic information.DNA structure is often divided
Ultimate Trivia Quiz on Zooflagellata or Disease Caused by Zooflagellata

Ultimate Trivia Quiz on Zooflagellata or Disease Caused by Zooflagellata

Zooflagellata is endoparasitic or commensal and symbiotic. They are uninucleated except Giardia, Opalina. Their locomotion is by flagella and their asexual reproduction takes place by binary fission and cyst formation. The sexual reproduction is abse
Concept Of Threatened Species Trivia Quiz

Concept Of Threatened Species Trivia Quiz

The concept of threatened species has been established in context with the conservation of wildlife. The International Union for the conservation of nature and natural resources is now called the World Conservation Union which has categorized wild an
Change In The Structure Of The Chromosome Trivia Quiz

Change In The Structure Of The Chromosome Trivia Quiz

These chromosomal aberrations are due to the change in the morphology of the chromosome. These changes may occur in a single chromosome or in the double chromosome. Aberrations lead to the new location of genes and formation of imbalance miotic produ
Change In Number Of Chromosome or Genomatic Mutations or Hetero-polyploidy Trivia Quiz

Change In Number Of Chromosome or Genomatic Mutations or Hetero-polyploidy Trivia Quiz

Genomatic mutations are due to the change in a number of chromosomes. There are two types of genomatic mutations one is polyploidy and another one is unevenploidy.Euploidy/ polyploidy condition is obtained by the addition of chromosome in the complet
Test Your Knowledge About Gene Mutation! Let's Take an Awesome Trivia Quiz About Gene Mutation

Test Your Knowledge About Gene Mutation! Let's Take an Awesome Trivia Quiz About Gene Mutation

Gene mutations are caused by a change in the sequence of a DNA segment representing a gene. The smallest portion of DNA which undergoes mutation is called muton. Every organism has certain genes that mutate more frequently and some genes which suppre
Ultimate Trivia Quiz on Wildlife

Ultimate Trivia Quiz on Wildlife

Wildlife includes all wild animals which cannot be domesticated and all wild plants which cannot be cultivated. It is our asset that helps us in maintaining equilibrium, balance nature, used commercially to earn foreign money and provides means of sp