Download App

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

Gujarat 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 (1 Marks)" from STD 12 - 2. human reproduction→STD 12 - 2. human reproduction — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Vesicular arbuscular mycorrhizae (VAM) are important in:
→
First mammals appeared in the period:
→
Restriction in Restriction endonuclease enzyme refers to
→
The careers of hereditary material are
→
Match the following and mark the correct option

Column $A$                            Column $B$

(i) Oncogenes                   (1)Causes $AIDS$

(ii) Single circular $DNA$      (2)Lac-Operon concept

(iii) Splicing                        (3) Component of bacterial chromosome

(iv) Jacob and Monad        (4) Processing of $mRNA$ molecules

                                           (5) When activated cause cancer

$(i)     (ii)      (iii)     (iv)$   respectively

→
The four daughter cells derived from a single meiosis differ from each other due to
→
Choose the correct statement for primary infertility.
→
Which of the following radioactive isotopes were utilised for labelling protein and $DNA$ in transduction experiment respectively?
→
The impact of loss of biodiversity include:
→
Which of the following is a biofertilizer?
→