c) Chloroplast Chloroplast is a plastid that is involved in the synthesis of carbohydrates through photosynthesis and hence called as... View Article
c) Virus The virus remains as a non-living entity outside the host. They can multiply and start living once they... View Article
Though the mother gives birth to a baby, fertilization involves the fusion of gametes from both the parents. Hence, character... View Article
Forest is a large geographical area dominated by trees, animals of various species, aquatic biomes and microorganisms. Forest fire is... View Article
Calorific represents the amount of heat generated when a fuel burns completely. The energy released when LPG is burnt is... View Article
The first and foremost thing before starting sowing is that to prepare the base properly. That is the soil must... View Article
d) Air Explanation The biosphere is the world of living organisms together with soil layers (land or lithosphere), water (hydrosphere)... View Article
Mango tree is more complex and evolved because, it is eukaryotic, autotrophic, terrestrial and a sporophyte with covered seed. It... View Article
Apart from Ctenophora, Echinodermata is one of the phyla which is exclusively marine. All the members of phylum Echinodermata are... View Article
Gymnosperms Male and female gametophytes are within sporangia on sporophyte in the case of gymnosperms Pollen grain in microsporangium is... View Article
The two diseases caused by the virus are common cold, poliomyelitis All viruses have either DNA or RNA Viruses also... View Article
Virus A virus is considered as a living organism and an obligate parasite when inside a host cell. But virus... View Article
(a) Carbon dioxide Explanation The body entering the tissues is high in oxygen and nutrients because it was supplied with... View Article
d) Catla Explanation Surface feeder fish are those fish which have a straight back that helps their upturned mouth or... View Article
All crop plants are sown as seeds in the field – True Explanation All crop plants are sown as seeds in... View Article
b) Thyroxine Explanation Iodine is essential for thyroid hormone synthesis and must be provided through dietary sources. Thyroxine (T4) contains four... View Article
d) Phototropism Explanation The movement of shoot towards light is Phototropism. Phototropism is one of the many plant tropisms or... View Article
c) Starch Explanation The reserve food is stored in the form of starch molecules. The excess glucose molecules produced during... View Article
The arrangement of particles is less ordered in the liquid state. However,there is no order in the gaseous state. Explanation... View Article
True In a human female, either of the two ovaries, releases an egg into the oviduct every month. In the... View Article
