Question
Among the following which condition causes self
pollination?Solution
A flower is self-pollinated (a “selfer”) if pollen is transferred to it from any flower of the same plant and cross-pollinated (an “outcrosser” or “outbreeder”) if the pollen comes from a flower on a different plant. Cleistogamy. When pollination and fertilization occur in unopened flower bud, it is known as cleistogamy. Maturation of anthers and stigma of a flower at the same time is called homogamy. Monoecy is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant.
Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?
Heat stored in water vapour is –
The acceleration due to gravity ___________ with height
What is the cause of hypermetropia?
A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of th...
Which of the following is the least penetrating power rays ?
Which of the following wind is also known as “ICE HEATER?”
When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.
What term describes the resistance of an object to changes in its state of motion or rest?
Water gets cooled, when ice is immersed in it. It is because of the phenomenon of
