tree fall gaps

If the leaves and fruits stop producing auxin, they fall. Presence of auxins gives them maximum time for fruits to ripen by maintaining them on the trees..

A passenger standing in a bus leans backwards when the bus starts all of a sudden Fruits fall down when the branches of a tree are shaken Dust particles on a carpet falls when we beat the carpet with a stic..

In temperate deciduous trees such as elm and maple, all the leaves senesce and fall at certain seasons of the year like late autumn in October. This is also called as simultaneous senescence. It is controlled by environmental facto..

Significance of Senescence - i) Old and inefficient organs are replaced by young and developing organs. ii) Leaf fall in deciduous trees reduces the rate of transpirational loss. This is an adaptation to tide over winter. iii) Recovery of nutrients from senescing organs by diver..

Question: Read the following extract and answer the questions that follow: Thou on whose stream, mid the steep sky's commotion .... shook from the tangled boughs of heaven and ocean. i) How is the west wind seen blowing in the sky? ii) What does the west wind do to the clouds and how? iii..

This is a special type of germination found in mangrove plants. Mangrove plants are found in marshy areas and on the sea coast. In viviparous germination, the seeds germinate while still attached to the parent plant. The embryo grows out of the seed and then out of the fruit and projects from it in..

. They do not destroy the nests completely. Instead, they devour a small portion of their harvest and preserve the rest for the next meal. Like other ant eaters, _______ ants and termites. They do not produce sticky secretions as is generally thought. At night, tamanduas sleep _______. They prevent..

Question: Read the extracts given below and answer the questions that follow: Two roads diverged in a yellow wood, And sorry, I could not travel both And be one traveler, long I stood And looked down one as far I could; To where it bent in the undergrowth, a) Where did the poet stand? What ..

. When these fossil fuels burn, they release or emit sulphur dioxide and nitrogen dioxide . Nitrogen oxide is also present in the exhaust emissions of cars. These oxides rise up into the atmosphere, react with the water vapour present there, form acids giving rise to clouds of high acidity. When ac..

Force of Gravitation - Drop a stone from a height. What do you observe? The stone which was initially at rest starts moving towards the ground and attains a maximum speed just before it touches the ground. The stone is not moving with uniform speed. Its speed keeps changing at every instant, which ..