Biology - Study Mode

[#601] Study of population is
Correct Answer

(C) Demography

Explanation

Solution: The field of science interested in collecting and analyzing numbers related to population is known as demography.

[#602] Surgical procedure in which a small portion of sperm duct is removed and cut end ligated in male is called
Correct Answer

(A) Vasectomy

Explanation

Solution: Surgical procedure in which a small portion of sperm duct is removed and cut end ligated in male is called vasectomy.

[#603] Which of the following serves as a nutritive tissue for the growing embryo?
Correct Answer

(D) Endosperm

Explanation

Solution: The endosperm is a tissue produced inside the seeds of most of the flowering plants following fertilization. It is triploid (meaning three chromosome sets per nucleus) in most species. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein.

[#604] In the human being, normally in which one of the following parts, does the sperm fertilize the ovum?
Correct Answer

(B) Fallopian tube

Explanation

Solution: Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development.

[#605] Finger like ends of the fallopian tubes are called
Correct Answer

(A) Fimbriae

Explanation

Solution: The fimbriae of the uterine tube, also known as fimbriae tubae, are small, finger like projections at the end of the fallopian tubes, through which eggs move from the ovaries to the uterus. The fimbriae are connected to the ovary.