1. Which of the following organism is iteroparous ?
(A) Pacific salmon fish
(B) Virus
(C) Bacteria
(D) Humans
Ans : (D)
2. A micromutation is—
(A) Polyploidy
(B) Addition of chromosome
(C) Deletion of chromosome
(D) Change in gene frequency
Ans : (D)
3. The limited period of sexual receptivity that occurs around the time of
ovulation in all female mammals except humans is called—
(A)