Download App

STD 12 - 2. human reproduction — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 2. human reproduction1 Mark
MCQ
Placenta acts like a
  • ✓
    Semipermeable membrane
  • B
    Fully permeable membrane
  • C
    Impermeable membrane
  • D
    None of the above
✓

Answer

Correct option: A.
Semipermeable membrane
a
(a)Placenta is the special semipermeable structure through which the exchange of materials between foetal and maternal circulation occurs.

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

Explore more

More "M.C.Q [1M]" from STD 12 - 2. human reproduction→STD 12 - 2. human reproduction — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Morula is a developmental stage.
→
Which one of the following is not an STD?
→
The sigma factor is associated with:
→
An exception to Mendel's law is
→
Match the following columns.
Column $- I$ Column $- II$
$(A)$ Gene therapy $(1)$ Effort to fix functional gene
$(B)$ Humulin $(2)$ A single-stranded $DNA$ or $RNA$ tagged with aradioactive molecule
$(C)$ Probe $(3)$ Diagnostic test
$(D)$ ELISA $(4)$ Diabetes
→
Which one of the following statements with regard to embryonic development in humans is correct?
→
Which one is not a symptom of Entamoeba histolytica infection
→
The site of production of DNA in the body is :
→
Test cross in plants or in Drosophila involves crossing
→
Legally acceptable term of abortion is
→