Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs

Consider the following statements regarding aneuploids and choose the correct answer:
1. Aneuploidy may arise by the perpetuation of a cell in which, through a failure of anaphase of mitosis, one or more chromosomes may be lost
2. Aneuploidy in diploids is much less viable than aneuploidy in polyploids
3. In true aneuploids there are complete genomes, plus a fraction of a genome
4. False aneuploids may contain supernumerary chromosomes

The universality of genetic code was demonstrated by

Consider the following statements regarding Natural Selection and choose the correct answer:
1. Organisms produce many more offsprings than can possibly survive
2. In a population some variability is always present for almost every characteristic
3. All offsprings are able to survive to reach adulthood

The herbicide which controls the growth of milk weed vines in citrus orchards is

RNA always occurs in

Which of the following is a natural radioactive form, produced in the atmosphere?

Gregor Johann Mendel is famous for propounding

Which of the following isotopes, on decay, gives off γ-rays and ∝-particles only?

The variations observed among plants regenerated from tissue culture have been termed as

Who among the following is considered as the 'Father of evolution idea' for his ideas forwarded in his 'Poem of Nature'?