Coordination in plants
Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.
coordination
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Control and Coordination in Living Beings
It is now a general opinion that if we see something moving, it is alive.
What is Ozone layer? How is it depleted and what are the control measures?
Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.
Prepare Biochar to End Up Paddy Stump Burning
The technique of carbon fixation has been developed by Dr. Ram Swaroop Meena of Banaras Hindu University, U.P. – India who has potentized his technique entitled “Low cost Biochar with Integrated Nutrient Management”.
Burning of Those Dry Fallen Leaves of Trees
It is reported that about 30 million tones of dry leaves are dumped into landfills every year in America. In India most of these leaves are either burnt on the floor where they fall or collected by poor people and stored for burning during winter season to generate heat.
Diversity of leaves and Leaf-fall
Though there are two basic types of leaves of monocotyledonous and dicotyledonous plants, we observe immense diversities in their arrangements, sizes, and shapes.
Some leaves are very short, as short as they cannot be seen through naked eyes where as there are big broad leaves that can form many umbrellas for small children.
Local and Global Effects of Pollution
On the local and regional levels, air pollution creates various types of problems against living and non- living environment. In the living environment it causes different types of physical, physiological and mental diseases.
Why Do Some Birds Migrate?
Birds that travel from one place to the other place are called as Migratory Birds.
Human environment interaction
man is causing serious impacts on environment. Concrete jungles do not allow rain water to enter into the gound. As such water table is falling down.
Flow of Nutrients in Ecosystem
The flow of nutrients in ecosystem takes place in cyclic pathways through food chains, food webs and bio-geo-chemical cycles. Food…
The new variant of corona is more dangerous- reports WHO
The whole world is worried due to the new variant of corona Omicron. The era of lockdowns has again started because Omicron is seen as more deadly variant. WHO has declared that it disseminates faster and is more dangerous. Everyone has been warned to strengthen securities.
Advantages and Disadvantages of a Nuclear Family
Introduction to Nuclear Family A nuclear family is a small family unit consisting of parents and their children. In modern…
