Ordinary table salt is sodium chloride. What is baking soda?
Ozone hole refers to
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
Pollination is best defined as
Plants receive their nutrients mainly from
Movement of cell against concentration gradient is called
Photosynthesis generally takes place in which parts of the plant?
Most fish do not sink in water because of the presence of
option ( a) is correct answer.
Many species of Bony fish have an organ called swim bladder a long chamber of soft flexible walls glasses from inside the fish body can diffuse into this chamber does increasing the volume this helps in the rising of the fish to the surface of the water when gas is contained in the chamber are released the walls of the chamber collapse there by decreasing the volume and hence a decrease in upthrust the fish go deep into the water hence digesting the value of sin letter to the required extend the fish can stay at any level in the water.
Plants synthesis protein from
Plants absorb dissolved nitrates from soil and convert them into
Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
One of the following is not a function of bones.
Plants absorb most part of water needed by them through their
Process of cell division can take place by
Most highly intelligent mammals are
Plant development is influenced by
Prokaryotic cells lack
Photosynthesis takes place faster in
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
Primary phloem develops from
Other than spreading malaria, anopheles mosquitoes are also vectors of
Plants that grow in saline water are called
Pyorrhoea is a disease of the
Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes