Download App

STD 12 - 1. sexual reproduction in flowering plants — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
Devices for self-pollination are
  • A
    Dicliny or unisexuality
  • B
    Dichogamy
  • C
    Heterostyly
  • ✓
    None of these
✓

Answer

Correct option: D.
None of these
d
Autogamy (self-pollination) involve participation of just one flower for pollination. The devices for self pollination are homogamy, bisexuality, cleistogamy, etc.

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 - 1. sexual reproduction in flowering plants→STD 12 - 1. sexual reproduction in flowering plants — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
→
A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?
→
If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be
→
Immune deficiency syndrome in human could develop as a consequence of
→
In Mendel's experiments with garden pea, round seed shape $(RR)$ was dominant over wrinkled seeds $(rr),$ yellow cotyledon $(YY)$ was dominant over green cotyledon $(yy).$ What are the expected phenotypes in the $F_{2}$ - generation of the cross $RRYY$ $\times$ $rryy$?
→
$A$ : Triplet genetic code can be confirmed by frame shift mutations.
$R$ : Frame shifting involves the change in protein product coded by triplet codons
→
The snakes are included under
→
The loudness of a sound that a person can withstand without discomfort is about
→
Population growth curve in most animals, except humans is
→
$A$ : A stable community should show much variation in year to year productivity.

$R$ : It must not be resilient to occasional disturbance.

→