Human Reproduction Questions

Implantation occurs when the ______ attaches to the endometrium.

The embryo with 8 to 16 blastomeres is called a:

The sex of the fetus is determined by:

The secretion of which layer of the ovum is changed by the sperm to prevent polyspermy?

The process of fusion of a sperm with an ovum is called:

In the absence of fertilization, the corpus luteum:

Progesterone is essential for:

After ovulation, the remaining parts of the Graafian follicle transform into:

Which hormone surge triggers ovulation?

The first menstruation begins at puberty and is called:

The first meiotic division of the primary oocyte is completed within the:

A primary oocyte surrounded by a layer of granulosa cells is called:

Oogenesis is initiated during:

During a single ejaculation, a human male ejaculates about:

The acrosome of the sperm contains:

In males, LH (Luteinizing Hormone) acts on:

GnRH (Gonadotropin Releasing Hormone) levels increase at puberty and act on:

The release of sperms from the seminiferous tubules is called:

Spermiogenesis is the process of:

In spermatogenesis, the first meiotic division leads to the formation of:

The female external genitalia (vulva) includes all except:

The layer of the uterus that undergoes cyclical changes during the menstrual cycle is:

The funnel-shaped part of the fallopian tube closer to the ovary is the:

The site of fertilization in the human female is:

Secretion of which gland helps in the lubrication of the penis?

The male accessory glands include:

The correct path of sperm transport in the male reproductive system is:

Leydig cells (interstitial cells) secrete:

Sertoli cells provide:

The structural and functional units of the testis where sperms are produced are:

The number of testicular lobules in each testis is about:

Which of the following statements is true? (a) Hymen is a reliable indicator of virginity (b) Milk is stored in alveoli (c) Clitoris is the counterpart of penis (d) The release of ovum is called oogenesis

For the process of spermatogenesis, the temperature of the testes should be:

Odd man out:

During the 8th month of pregnancy, testes descend into the scrotal sac through:

Blocked vasa efferentia affects transport:

Incorrect statement:

Nourishing cells in seminiferous tubules:

Statements: I: LH acts on Leydig cells II: Ovary stroma has cortex & medulla

Not paired structure:

Testis size:

Cells undergoing spermiogenesis:

Statements incorrect: I: Accessory ducts controlled by pancreatic hormones II: Prostate is paired gland

GnRH is:

Copulatory organ in males:

Which statements are incorrect? I. Testis has 150 compartments II. Each lobule has 3–5 tubules III. Hymen is indicator of virginity IV. Female accessory ducts include uterus, oviduct, vagina

How many spermatozoa are produced from 100 secondary spermatocytes?

Spermatogenesis starts due to:

Ovary size:

Assertion: Penis has erectile tissue Reason: Helps insemination