HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is an example of response to an internal stimulus?
A
a plant growing in response to gravity​
B
a tree’s roots absorbing water from the riverbed​
C
Smelling cookies as they bake and then eating the warm cookies form the oven​
D
Seeing a cake on the kitchen table and then sneaking a slice of the cake​
Explanation: 

Detailed explanation-1: -Geotropism is a type of tropism where plants show some growth in response to gravity. Roots growing downwards is an example of geotropism.

Detailed explanation-2: -Phototropism: Movement or growth of plants towards light is called phototropism. For example, sunflower turning towards the sun. Hydrotropism: Plant roots grow deeper into the soil in response to higher water concentration.

There is 1 question to complete.