Couplet represents the choice made between two opposite options. This results in acceptance of only one and rejection of the other. (True/False)

The scheme of identification of plants and animals represents the choice made between two opposite optionson the basic of similarities and difference and This results in acceptance of only one and rejection of the otberis called as.

By taxonomic keys we can observe or analyse the characters of not only one member but also of the other related members because at a time couplets are used in keys in which acceptance of only one and rejection of the other character is there. This practice in taxonomic keys prove which of the following assessment most effectively?

Two trains going in opposite directions with the same speed are at rest relative to each other. True/False.

In both commensalism and amensal only one species benefits and the interaction is detrimental to the other species. (True/false)

In both commensalism and amensal only one species benefits and the interaction is detrimental to the other species. (True/false)

The mutual inductance between thetwo coils is maximum, when one coil is wound over the other. (True/False)

True or false. Birds can see only one object at a time.

The chords which are equidistant from the centre of a circle are equal only if they are parallel to each other. [True // False ]

True or false The direct current always in one direction only