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16.4. Sexual reproduction in humans
A subsection of Biology, 0610, through 16. Reproduction
Listing 10 of 229 questions
is a diagram of the human female reproductive system. S R T V W X Y Complete Table 6.1 by stating the letter from that identifies the structure where each process occurs. Table 6.1 process letter from meiosis fertilisation implantation State the name of the part of the female reproductive system labelled S in . is a diagram of a human sperm cell. flagellum mitochondria nucleus acrosome Write the formula that would be used to calculate the magnification of the diagram. The actual length of the sperm cell in is 0.055 mm. Convert this value to micrometres (μm). Space for working. μm Explain why the nuclei of sperm cells differ from those of other cells in the male. Explain the roles of the flagellum, the mitochondria and the acrosome in sperm cells. Explain why the sex of a child is determined by its father.
0610_s18_qp_41
THEORY
2018
Paper 4, Variant 1
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Table 4.1 shows four structures associated with the human male reproductive system. Complete Table 4.1 by identifying the level of organisation of each structure. Choose your answers from the list. cell cell structure organ organ system organism tissue Table 4.1 structure level of organisation epithelium nucleus sperm testis shows the male reproductive system. E F A D C B Table 4.2 shows information about the male reproductive system shown in . Complete Table 4.2. Table 4.2 name of structure function letter in testis transports sperm but not urine tube for urine and seminal fluid through the penis prostate gland contains the testes Draw an X on on the structure where meiosis occurs. Sperm and eggs each have a nucleus which is haploid. Define the term haploid nucleus. State the number of chromosomes in a human haploid nucleus.
0610_s19_qp_41
THEORY
2019
Paper 4, Variant 1
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The testes are part of the endocrine system because they produce hormones. State the name of the hormone released from the testes. The testes are also part of the reproductive system. This means that the testes are part of two organ systems. Complete by stating two other organs that also belong to two organ systems. One has been completed for you. organ testes organ system male reproductive system male reproductive system endocrine system endocrine system is a photomicrograph of part of a mammalian testis. M The cells labelled M in are undergoing meiosis. Explain why meiosis is necessary in the testes. is a photomicrograph of a section through a sperm. P Q R S Table 5.1 shows information about the sperm shown in . Complete Table 5.1. Table 5.1 letter on name of the structure function P haploid nucleus releases energy flagellum Draw and label one human egg cell. Include at least one labelled feature that is not found in a sperm cell. Describe what happens to a fertilised egg cell before implantation in the uterus.
0610_s19_qp_42
THEORY
2019
Paper 4, Variant 2
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is a front view diagram of the male reproductive system in humans. D C B A The boxes on the left show the letters identifying the parts in . The boxes on the right show the functions of some of the parts of the male reproductive system. Draw lines to link each letter to its function. Draw four lines. letter from function A B C D gland that secretes fluid for sperm to swim in produces sperm sac that holds the testes tube carrying semen and urine tube carrying sperm to urethra Sperm are the male gametes in humans. State the name of the female gamete in humans. State the name of the cell that is formed at fertilisation. State the usual site of fertilisation in humans. The human reproductive system is involved in sexual reproduction. Compare asexual reproduction with sexual reproduction.
0610_s21_qp_31
THEORY
2021
Paper 3, Variant 1
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shows the female reproductive system. P Label using the letters listed to show the position of the organs that are identified by their functions. The first one (P) has been completed for you. P site of secretion of mucus Q site of fertilisation R site of implantation S site of oestrogen secretion T site where sperm are deposited during sexual intercourse shows a section through an egg cell at the time of ovulation. nucleus jelly coat cytoplasm with stores of protein and fat Explain why the egg cell contains stores of protein and fat. Describe the function of the jelly coat. Fertilisation results in the formation of a zygote. Describe how an embryo is formed from a zygote.
0610_s21_qp_41
THEORY
2021
Paper 4, Variant 1
View
Questions Discovered
229