MCQ
$X$ -chromosome or $X$ - body was first observed by.............
- AMendel $(1901)$
- BCastle $(1910)$
- ✓Henking $(1891)$
- DBateson $(1906)$
✓
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.
Explore more
Similar questions
About $1000$ different varieties of ..... has been estimated in India
→DNA replication is:
If the strong partner is benefited and the weak partner is damaged, the relationship is known as:
What is formed from megaspore mother cell ?
Sun is not a source of energy is this ecosystem.
Fertilisation of an egg cell it means......
→$(1)$ End of process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintain progesterone level in blood
$(5)$ Formation of zygote
The figure gives an important concept in the genetic implication of $DNA$. Fill the blanks $A, B$ and $C$.
→Among the following, where do you think the process of decomposition would be the fastest?
At which stage, of HIV infection does one usually show symptoms of AIDS?
Match the following:
→| Column $- I$ | Column $- II$ |
| $(a)$ Epicotyl | $(v)$ Mango |
| $(b)$ Hypocotyl | $(w)$ Plumule |
| $(c)$ Nuclear Endosporm | $(x)$ Coconut water |
| $(d)$ Parthenocarpic fruits | $(y)$ Banana |
| $(z)$ Radicle |