Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which region of vulva are located below the mons pubis?
The labia majora are located below the mons pubis in the vulva. They are the outer folds of skin that protect the inner structures of the vulva.
During puberty stage, which sex hormone stimulate the enlargement of breast?
During puberty, estrogen is the primary sex hormone responsible for the enlargement of breasts. Estrogen stimulates the growth of ductal tissues in the breast.
What is called the process of gamete formation in the sexually reproducing animals
The process of gamete formation in sexually reproducing animals is called gametogenesis. It includes the formation of sperm in males (spermatogenesis) and eggs in females (oogenesis).
In spermatogenesis which cells are produced at the end of the maturation phase?
During spermatogenesis, the maturation phase results in the formation of spermatids. The process starts with spermatogonia undergoing mitosis to form primary spermatocytes, which then undergo meiosis I to produce secondary spermatocytes. These secondary spermatocytes further undergo meiosis II to form spermatids.
Which enzyme is produced by acrosome?
The acrosome, a cap-like structure over the anterior half of the sperm's head, contains the enzyme hyaluronidase. This enzyme helps the sperm to penetrate the zona pellucida of the egg during fertilization by breaking down hyaluronic acid in the extracellular matrix.
The acrosome is formed by the
The acrosome is formed by the Golgi complex in the developing spermatid. During the process of spermiogenesis, the Golgi complex produces vesicles that coalesce to form the acrosome, which contains enzymes necessary for penetrating the egg during fertilization.
In oogenesis which cells are produced at the end of multiplication phase?
In the process of oogenesis, the multiplication phase results in the formation of primary oocytes. During this phase, oogonia (germ cells) undergo mitotic divisions to produce a large number of primary oocytes. Therefore, the correct answer is 'Primary oocyte'.
In oogenesis which substance are present in primary oocyte of growth phase
During the growth phase of oogenesis, the primary oocyte accumulates various substances necessary for future development. These include fats, proteins, DNA, RNA, ATP, and enzymes. Thus, the correct answer is 'Above all'.
In oogenesis which cell body are concentrated in cytoplasm of primary oocyte of the growth phase ?
In the growth phase of oogenesis, the primary oocyte shows intense metabolic activity and accumulation of cell organelles such as mitochondria, Golgi complexes, and ribosomes. These organelles are essential for the development and maturation of the oocyte. Therefore, the correct answer is 'Above all'.
In menstrual cycle which period is known as menstrual phase?
The menstrual phase is the first phase of the menstrual cycle, lasting from day 1 to day 5. During this phase, the lining of the uterus sheds through the vagina, resulting in menstrual bleeding.
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