Hydrotropism means the tendency to grow or tend to reach the area with moisture content like the movement of roots towards high humidity level.... View Article
(a) determines the function and development of the cell. (b) packages material coming from the endoplasmic reticulum. (c) provides the resistance... View Article
(a) Insulin(b) Estrogen(c) Thyroxin(c) ProgesteroneCorrect answer: (a) InsulinThe first human hormone produced by recombinant DNA technology is... View Article
(a) transfer of pollen from anther to ovary(b) transfer of male gametes from anther to stigma(c) transfer of pollen from anther to stigma(d)... View Article
The name of the instrument used to measure heartbeat is Stethoscope. It is a medical instrument used for listening to sounds produced within the... View Article
The process of conversion of complex food substances to simple absorbable forms is called digestion and is carried out by our digestive system by... View Article
Apiculture or bee-keeping is the maintenance of hives of honeybees for the production of honey. It has been an age-old cottage industry. The... View Article
Phagocytosis is carried out by specialized cells called professional phagocytes. This includes cells of the immune system such as macrophages,... View Article
The total number of bones present in the human skull is 29. These includes 8 cranial bones, 14 facial bones, one hyoid bone and 6 auditory bones.... View Article
Transpiration helps in upward transport of substances in plants by drawing water up from the roots. During transpiration, water evaporates... View Article
Adaptation is focussed on an organism's ability to change its physical and chemical make up to adjust to its habitat. Acclimation is a form of... View Article
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. Polio and measles can be prevented... View Article
Recharging of groundwater takes place by the rainwater and water present in the water source like river and ponds. The water tends to seep... View Article