Leaves fall off from branches in winter due to
Leaves fall off from branches in winter due to
- A
Formation of abscission layer
- B
Shortening of day length
- C
Fall in temperature
- D
All the above
Similar Questions
Respiratory roots are found in
Respiratory roots are found in
In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as a
In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as a
- [AIIMS 2010]
Match the following
List $-I$
List $-II$
$A$
Coleorhiza
$I$
Development of sporophyte
directly from gametophyte
without intervention
of gametes
$B$
Apogamy
$II$
Development of gametophyte
directly from
sporophyte
without the involvement
of reduction division.
$C$
Indusium
$III$
An unbranched
columnar stem with a
crown of leaves
$D$
Caudex
$IV$
Protective covering of
radicle
$V$
Protective structure of a
sorus
Match the following
| List $-I$ | List $-II$ | ||
| $A$ | Coleorhiza | $I$ | Development of sporophyte directly from gametophyte without intervention of gametes |
| $B$ | Apogamy | $II$ | Development of gametophyte directly from sporophyte without the involvement of reduction division. |
| $C$ | Indusium | $III$ | An unbranched columnar stem with a crown of leaves |
| $D$ | Caudex | $IV$ | Protective covering of radicle |
| $V$ | Protective structure of a sorus |
- [AIIMS 2016]
The fruit in Datura is
The fruit in Datura is
In which of the following plants dispersal of fruits takes place by parachute mechanism
In which of the following plants dispersal of fruits takes place by parachute mechanism