MCQ
Which statement is correct for apomixes?
  • Without fertilisation diploid embryo forms
  • B
    With fertilisation diploid embryo forms
  • C
    Without fertilisation haploid embryo cell form embryo
  • D
    With fertilisation haploid embryo cell form embryo

Answer

Correct option: A.
Without fertilisation diploid embryo forms
a
Apomixis is the production of new diploid organism without fertilization. The new individual is formed from the unfertilized egg.

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

Similar questions

Identify figure.
Heterothallism refers to
Who discovered "ribosomes'' in animal cells
$(i)$ Green algae occur in fresh water, brackish water, salt water.
$(ii)$ Habitat of Brown algae-fresh water (rare), brackish water, salt water
$(iii)$ Some red algae are found in fresh water, mostly occur in salt water, some are in brackish water.
$(iv)$ Most of the red algae are multicellular.
$(v)$ Red alga may occur in both well lighted regions close to water-surface and also at great depths in oceans where light penetration is little.
$(vi)$ Cell wall of red algae consists of cellulose $+$ agar.
$(vii)$ $2 -8$, equal and apical flagella in green algae
In which phase of mitosis the chromosomes are arranged around the equator of the spindle
Which of the following steps is/are catalysed by Taq polymerase in a $PCR$?
$A$ : $RQ$ of maturing fatty seeds is > $1$.
$R$ : Fats are preferred energy fuels.
Match Column $I$ with Column $II$ and choose the correct option.

Column $I$ Column $II$
$A$. Centrioles

$I$. Non-membrane bound organelle Which helps in cell division

$B$. Fimbriae

$II$. Special structure of bacteria which help them to attach with rocks in

$C$. Endomembrane

$III$. Includes those organelles system whose functions are coordinated

$D$. Mitochondria

$IV$. Divide by fission and site of aerobic respiration

If an etiolated stem could be first saturated with auxin by spraying and then exposed to a streak of light from one side, it will
Part of the gynoecium which receives the pollen is called