Download App

STD 12 - 4. principal of inheritance and variation — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
$X$ -chromosome or $X$ - body was first observed by.............
  • A
    Mendel $(1901)$
  • B
    Castle $(1910)$
  • ✓
    Henking $(1891)$
  • D
    Bateson $(1906)$
✓

Answer

Correct option: C.
Henking $(1891)$
c

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 - 4. principal of inheritance and variation→STD 12 - 4. principal of inheritance and variation — all question types→Biology STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Environmental resistance includes factor
→
The peppered moth (Biston betularia), the black-coloured form becomes dominant over the lightcoloured form of moth in England during industrial revolution. This is an example of
→
A man with blood group ‘$AB$' marries a woman with ‘$O$' blood group. In this situation
→
When the number of organisms at successive levels are plotted, they assume the shape of a pyramid. This is called the pyramid of
→
The transforming principle of Pneumococcus as found out by Avery, MacLeod and $\text{Mc}$ Carty was:
→
What is a mutation?
→
Sometimes, there are more than two alleles for a given chromosome locus. In this case, a trait is
→
Assertion : $DNA$ is associated with proteins.

Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.

→
What percent of total oxygen in the earth atmosphere is provided by Amazon forest through photosynthesis?
→
Protoplast is:
→