Which of the following types of natural selection is most common during periods of environmental changes like global warming?
(A) Stabilizing
(B) Sexual
(C) Directional
(D) Diversifying

Which one of the following options correctly designate the per cent contribution of gases (A, B, C and D) responsible of global warming?

Which of the following ways is most likely to decrease the genetic diversity in a population ? (a) Gene mutation (b) Genetic recombination (c) Stabilising natural selection (d) Immigration of individuals

Which of the following ways is most likely to decrease the genetic diversity in a population ? (a) Gene mutation (b) Genetic recombination (c) Stabilising natural selection (d) Immigration of individuals

Diagrammatic representation of the operation of natural selection two peaks are formed. This condition shows effect of ...... (A) Disruptive (B) Directional (C) Stabilizing (D) Distractive

Which of the following is the most common kidney stone-forming compound ? A. Calcium oxalate B. Magnesium oxide C. Sodium bicarbonate D. Magnesium citrate

Which of the following statement is related to sexual reproduction in animals ? (A) Single parent is involved (B) Gamete formation occur (C) Offspring are exact copies of their parent (D) Common among single celled organisms.

Observe the given graph and answer the following question. (a) Which type of natural selection is represented by the graph? (b) Under which condition does this type of selection operates. (c ) Give an example for this type of natural selection.

The most common balancing anion for cations like Na^(+) and K^(+) in plant body is (A) Boron (B) Phosphoric acid (C) Chlorine (D) Sulfate

Which of the following is not a direct conclusion that can be drawn from Mendel's Experiment ? a) Only one parental trait is expressed b) Two copies of each trait is inherited in sexually reproducing organism c) For recessive trait to be expressed, both copies should be identical d) Natural selection can alter frequency of an inherited trait.