Speed of the motorboat upstream = 64/2 = 32 km/hr Let the speed of the current be x km/hr ⇒ 36 – x = 32 ⇒ x = 4 km/hr Speed of motor boat downstream = 36 + 4 = 40 km/hr Time taken to cover 64 km at 40 km/hr = 64/40 = 8/5 hours or 1 hour 36 minutes
What is the principle involved in DNA movement in Electrophoresis?
Which disease of brinjal is caused by a Phytoplasma and is characterized by the reduction in leaf size, shortened petioles, and stunted, bushy appearanc...
This Structure in fungi is associated with asexual fruiting bodies and is characterized as a globose or flask-shaped fruiting body producing conidia?
Which disease in cotton exhibits bronzing of veins, interveinal chlorosis, and yellowing of leaves, with characteristic drying of leaf margins and inter...
Presence of pin head like orange coloured dots in the nodal region of sugarcane is an important symptom of
DSF (defatted soy flour) is used in the manufacture of
Hardy-Weinberg law is applicable for maintainence of genetic purity of
What type of resistance is effective against all races of a pathogen but is of permanent nature?
Mangla, Sumangla , Sreemangla are the popular varieties of which of the following crops?
What method involves the use of clear polythene film over moist soil during sunny summer days to increase soil temperature and inactivate many soil-born...
