"Reuse is better than recycling of materials". Give reason to justify this statement...

In reproduction, DNA passes from one generation to the next. Copying of a DNA takes place with consistency but with minor variations. This consistency leads to stability of species.

(i) False As 3 ∈ {2, 3, 4, 5}, 3 ∈ {3, 6} ⇒ {2, 3, 4, 5} ∩ {3, 6} = {3}  (ii) False As a ∈ {a, e, i,...

It is due to high polarising power of Be cation its compound are covalent in nature

Solution: True. Justification: At least one out of every three consecutive positive integers is divisible by 2. Therefore, The product of three consecutive positive integers is divisible by 2. At least one out of every...

Preserved traces of living organisms are called fossils. Two ways of determining age of fossils are: (i) Relative-fossils closer to the surface are more recent. (ii) Dating-finding the ratio of different isotopes of...

Yes, it is possible that a trait is inherited but may not be expressed. For example, when pure tall pea plants are crossed with pure dwarf pea plants, only tall pea...

(a) The existence of decomposers is essential in a biosphere because they breakdown complex organic substances into simple inorganic substances that can be absorbed by the plants. Thus, decomposers: * replenish the...

(i) False If P = {m, n} and Q = {n, m}, then P × Q = {(m, m), (m, n), (n, m), (n, n)} (ii) True (iii) True

Evolution and classification of organisms are interlinked because of following reasons.  █ Different life forms have evolved during the course of evolution. Classification deals with the grouping of these life forms...

It combines with hemoglobin to form car boxyhemoglobin.