Question
A boat can cover a distance of
210 km downstream with the current in 5 hours. It takes an additional 2.5 hours to return the same distance upstream. What is the speed of the boat in still water?Solution
ATQ,
Downstream speed= 210/5 = 42 km/hr Upstream speed = 210/7.5 = 28 km/hr Speed of the boat in still water=(42+28)/2 = 70/2 = 35 km/hr
______________ is a form of asexual reproduction in plants where seeds are produced without the involvement of meiosis or fertilization. In this process...
Term which refers to the pairing of homologous chromosomes during meiosis and is essential for crossing over?
When styles and filaments in a flower are of different length, such condition is known as
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...The term given to the ability of single cell to divide and produce all the differentiated cell in the organism.
Flowers do not open at all which ensures complete self pollination in
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A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called
Law which is demonstrated by a 3:1 phenotypic ratio in the F2 generation of a monohybrid cross?
SSRs are randomly repeated mono, di, tri, tetra, penta, and hexa nucleotide motifs. SSRs is another term for ………………..
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