Biology
General
Easy
Question
A phytohormone involved in the de novo synthesis of 
-amylase in germinating seeds is :
- Auxin
- Gibberellin
- Ethylene
- Cytokinin
The correct answer is: Gibberellin
Related Questions to study
physics-
A particle 
is sliding down a frictionless hemispherical bowl. It passes the point 
at 
. At this instant of time, the horizontal component of its velocity is 
. A bead 
of the same mass as is ejected from at along the horizontal string 
(see figure) with the speed . Friction between the bead and the string may be neglected. Let 
and 
be the respective time taken by and to reach the point 
. Then
A particle is sliding down a frictionless hemispherical bowl. It passes the point at . At this instant of time, the horizontal component of its velocity is . A bead of the same mass as is ejected from at along the horizontal string (see figure) with the speed . Friction between the bead and the string may be neglected. Let and be the respective time taken by and to reach the point . Then
physics-General
physics-
A stone of mass 1 kg tied to a light inextensible string of length 
is whirling in a circular path of radius 
in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if 
is taken to be 
, the speed of the stone at the highest point of the circle is
A stone of mass 1 kg tied to a light inextensible string of length is whirling in a circular path of radius in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if is taken to be , the speed of the stone at the highest point of the circle is
physics-General
physics-
A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is
A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is
physics-General
chemistry-
chemistry-General
physics-
A particle is projected with velocity 
along 
. The deceleration on the particle is proportional to the square of the distance from the origin i.e., 
The distance at which the particle stops is
A particle is projected with velocity along . The deceleration on the particle is proportional to the square of the distance from the origin i.e., The distance at which the particle stops is
physics-General
biology
Which enzyme is synthesized de-novo in aleurone layers of germinating seeds due to the effect of gibberellins ?
Which enzyme is synthesized de-novo in aleurone layers of germinating seeds due to the effect of gibberellins ?
biologyGeneral
physics-
A particle moves along the sides AB, BC, CD of a square of side 25 m with a velocity of 15
Its average velocity is
A particle moves along the sides AB, BC, CD of a square of side 25 m with a velocity of 15 Its average velocity is
physics-General
physics-
The 
plot of a moving object is shown in the figure. The average velocity of the object during the first 10 seconds is
The plot of a moving object is shown in the figure. The average velocity of the object during the first 10 seconds is
physics-General
physics-
From the following displacement-time graph find out the velocity of a moving body
From the following displacement-time graph find out the velocity of a moving body
physics-General
physics-
The acceleration-time graph of a body is shown below
The most probable velocity-time graph of the body is
The acceleration-time graph of a body is shown below
The most probable velocity-time graph of the body is
physics-General
physics-
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement
physics-General
physics-
Acceleration-time graph of a body is shown. The corresponding velocity-time graph of the same body is
Acceleration-time graph of a body is shown. The corresponding velocity-time graph of the same body is
physics-General
physics-
A train moves from one station to another in 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is
A train moves from one station to another in 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is
physics-General
physics-
The graph of displacement v/s time is 
Its corresponding velocity-time graph will be
The graph of displacement v/s time is Its corresponding velocity-time graph will be
physics-General
physics-
A ball is dropped vertically from a height 
above the ground. It hits the ground and bounces up vertically to a height 
. Neglecting subsequent motion and air resistance, its velocity varies with the height 
above the ground is
A ball is dropped vertically from a height above the ground. It hits the ground and bounces up vertically to a height . Neglecting subsequent motion and air resistance, its velocity varies with the height above the ground is
physics-General
