MCQ on Concept of Evolution

Which is the correct explanation for sibling species?

Which gas was absent during pre‐biotic environment?

Wings of insects and birds have become flat, large and streamlined. This is an example of

If the organism is at very high risk of extinction according to IUCN, then it is kept in category:

Which era is characterized by the dramatic diversification among eukaryotes?

The process by which an organism influences the evolutionary pace of the other organism is called:

Morphologically similar species on interbreeding produced viable fertile offspring. They are considered as single species according to:

Natural selection against extreme phenotype is termed as

The biggest disadvantage of sexual reproduction against the asexual reproduction is:

The most ancient mode of energy generating metabolic reaction is

First fossils were discovered

Natural selection is primarily based on fitness which is dependent on the maximum number of offspring laid for next generation but at present, a new concept is added where organism help in the reproduction of relative to increase the overall fitness. This concept is termed as:

Under which condition of natural selection no allele would be lost?

With time, the molecular distance between organisms increases during evolution due to:

The major cause of the evolution of genes and proteins is: