Download App

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

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 2. human reproduction1 Mark
MCQ
Unfertilized egg of human contains or When released from ovary, human egg contains
  • A
    One $Y$ chromosome
  • B
    $X$ and $Y$ chromosome
  • C
    $XX$ chromosome
  • ✓
    One $X$ chromosome
✓

Answer

Correct option: D.
One $X$ chromosome
d
(d) Human egg has $22$ autosomes and one chromosome. It is a haploid cell.

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

$A$ : Myocardial infarction can now be treated more effectively due to genetic engineering.

$R$ : Streptokinase produced by Streptoccocus and modified by $RDT$ is used as a clot buster for removing thrombus

→
Endosperm of gymnosperm is
→
Aleurone layer is found in
→
Sigmoid growth curve define by:
→
A man having Klinefelter's syndrome is
→
....... discovered during the archaeological excavation at king Herod's palace near....
→
Down’s syndrome is caused by an extra copy of chromosome number $21$. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder
→
The gynoecium in a flower is-
→
Plasmids are suitable vectors for gene clon- ing because:
→
What is the relationship between mycorrhiza fungus and roots.
→