Home
Class 12
BIOLOGY
Assertion : Placenta is combined structu...

Assertion : Placenta is combined structure of foetal tissue & maternal tissue
Reason : Placenta formation is completed before 6 weeks of pregnancy .

A

If both Assertion and Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion and Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true but Reason is false, then mark (3)

D

If both Assertion and Reason are falsse, then marks (4)

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    CENGAGE BIOLOGY|Exercise Assertion -Reasoning Question|12 Videos
  • HUMAN HEALTH AND DISEASE

    CENGAGE BIOLOGY|Exercise ARCHIVES|45 Videos
  • MICROBES IN HUMAN WELFARE

    CENGAGE BIOLOGY|Exercise ARCHIVES|26 Videos

Similar Questions

Explore conceptually related problems

Assertion : Placenta is connected to the fetus by an umbilical cord. Reason : Fetal components of placenta are derived from endometrium.

Formation of an organised structure from tissue culture is called

Placenta of a flower is a tissue that

Give reasons: Placenta is extremely essential for foetal development

Assertion : Placenta is contra-deciduate and even the fetal placenta is absorbed in mole. Reason : Mole's egg contain abundant yolk in ooplasm

Assertion:Excess consumption of alcohol results in damage to liver Reason : It promotes formation of fatty tissue in the liver

Assertion: Parenchyma and collenchyma tissues act as mechanical tissue to plants. Reason: Parenchyma and collenchyma form an important part of the bark of trees.

Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue.