Reproduction — IGCSE Biology (0610) questions by topic

Four statements about different types of reproduction are listed. 1 Offspring are formed that are genetically different. 2 Offspring are formed that are genetically identical. 3…

What happens to the uterus lining at the start of the menstrual cycle? A The uterus lining breaks down. B The uterus lining grows new blood vessels. C An embryo implants in the…

What can reduce the transmission of HIV? A clean water supplies B hygienic food preparations C use of condoms D sewage treatment

The diagram shows a sperm cell. Four parts are labelled along the cell: A points to the long tail, B points to the mid-piece region just behind the head, C points to the centre of…

Which secondary sexual characteristic is associated with testosterone? A breast development B facial hair growth C start of the menstrual cycle D widening of hips

The diagram shows a human menstrual cycle drawn as a circle marked with day 0 at the top, day 7 on the right, day 14 at the bottom, and day 21 on the left. Three points are marked…

What is the result of asexual reproduction? A genetically different offspring from one parent B genetically different offspring from two parents C genetically identical offspring…

Four test-tubes are set up as shown and placed in the dark. The four test-tubes each contain seeds on cotton wool: A has seeds on moist cotton wool at 0 °C; B has seeds on moist…

Where in the human male reproductive system are sperm produced? A penis B prostate gland C scrotum D testes

A person's menstrual cycle lasts for 28 days. Which statement describes an event in this menstrual cycle? A The ovary releases an egg on day 14. B The ovary releases an egg on day…

The diagram shows one parent Hydra growing and releasing an offspring from the side of its body. Three stages from left to right show a small bud forming on the side of the parent…

What are the characteristics of asexual reproduction? fusion of gamete nuclei genetic variety in the offspring --- --- --- A yes yes B yes no C no yes D no no

Which description of cross-pollination is correct? A the transfer of pollen grains from the anther of one plant to the stigma on a different plant B the transfer of pollen grains…

Which row correctly links the named process with its description? process description --- --- --- A menstruation release of an egg B menstruation shedding of the lining of the…

The diagram shows reproduction in a potato plant. Potato X was planted into the ground and a plant grew from it. The plant then produced potato Y. [Diagram: a potato plant with…

Which statement about pollination is correct? A Self-pollination increases the ability of the population to respond to changes in the environment by increasing variation. B…

The graph shows changes in the thickness of the lining of the uterus wall during a menstrual cycle. [Graph: y-axis is "thickness of uterus wall lining", x-axis is "day of the…

Seeds of different crop plants germinate at different temperatures. Table 2.1 shows the temperatures at which each crop plant germinates. Table 2.1 crop plants temperature range /…

Fig. 5.1 is a diagram of the female reproductive system in humans. State the letter in Fig. 5.1 that identifies: the structure that releases egg cells…

Fig. 3.1 shows one stage involved in plant reproduction after pollination. (Fig. 3.1 is a diagram of a carpel: a pollen grain has landed on the stigma and a structure labelled X…

A student investigated the conditions needed for the germination of cress seeds. Fig. 5.1 shows the apparatus, conditions used and the results. Test-tube A: damp cotton wool, 4…

A student carefully took a fuchsia flower apart. Fig. 8.1 is a photograph of the parts of the flower, labelled A, B, C and D. State the function of each of the parts labelled A to…

Parts of an insect-pollinated flower are listed: 1 anther; 2 filament; 3 stigma; 4 style. Which parts are in a carpel? A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

Which statement describes asexual reproduction? A the production of genetically different offspring from one parent B the production of genetically different offspring from two…

In humans, why are sperm cells produced in much greater numbers than egg cells? A Many sperm cells are needed to fertilise an egg cell. B Sperm cells are small in size. C Sperm…

What is the ball of cells that implants into the lining of the uterus during sexual reproduction in humans? A embryo B gamete C placenta D zygote

A gardener wants to grow some new plants that are identical to plants that she already has. Which method of reproduction is used, and how many parents are needed for her to grow…

What must always be present for seeds to germinate? A chlorophyll B light C soil D water

What is a flagellum? A a ball of cells that implants into the lining of the uterus B a cell structure that releases energy C a cell that forms after the sperm cell fuses with the…

Which word describes a fertilised cell? A acrosome B embryo C gamete D zygote

Which secondary sexual characteristic is caused by both testosterone and oestrogen? A breast development B changes in body shape C growth of facial hair D sudden deepening of voice

The nuclei of which two structures fuse during fertilisation? A two eggs B two embryos C two gametes D two zygotes

Which statements about sexual reproduction in plants are correct? 1 Anthers in wind-pollinated flowers are inside the flower. 2 Pollen grains in insect-pollinated flowers are…

Which structure is found in both animals and plants? A cornea B ovary C sepal D stamen

The diagram shows a plant that is producing small plantlets. Which statement about the plantlets is correct? A They are genetically different from the parent plant. B They are…

Which hormone maintains the thickness of the lining of the uterus during pregnancy? A follicle-stimulating hormone (FSH) B luteinising hormone (LH) C oestrogen D progesterone

A farmer grows hot pepper plants and sweet pepper plants in different fields. Each year, the farmer saves seeds from the pepper plants to grow the next crop. One year, the farmer…

The diagram shows a strawberry plant with parts labelled A, B, C and D. Which labelled part of the plant can only be produced by asexual reproduction? A A B B C C D D

Which part of a flower can contain a pollen tube? A anther B filament C stamen D style

To avoid extinction of rare plant species, a botanical garden keeps a collection of seeds known as a seed bank. Which condition will prevent these seeds germinating while they are…

The graph shows the changes to the thickness of the lining of the uterus during the menstrual cycle (thickness against day of the menstrual cycle, 0-28). Which hormone is…

Which hormone concentrations are high during pregnancy? (columns: LH; oestrogen; progesterone) A no; no; yes B yes; no; no C no; yes; yes D yes; yes; no

Fig. 4.1 is a diagram of part of the human male reproductive system, with structures labelled P, Q, R, S, T and U. Identify the letter in Fig. 4.1 for the structure that: produces…

Fig. 2.1 is a diagram of the female reproductive system in humans, with structures labelled C, D, E, F and G. Table 2.1 shows some of the functions of the female reproductive…

Which statement about sexual reproduction is correct? A Fertilisation is involved. B Zygotes fuse. C Offspring are always genetically identical. D One female gamete fuses with…

Which row about asexual reproduction is correct? Columns: number of parents; offspring identical to parents; offspring identical to each other. A one; no; yes B one; yes; yes C…

The diagram shows one way that a plant can reproduce (vegetative/asexual reproduction, e.g. by a runner or similar). What is a feature of this type of reproduction? A The…

In a sperm cell, which structure contains enzymes that can digest the jelly coat of an egg cell? A acrosome B flagellum C mitochondria D nucleus

The diagram shows a wind-pollinated flower with four parts labelled V, W, X and Y. Which labels are the stigma and anther? A V and W B W and X C X and V D X and Y

What is the process when a pollen nucleus fuses with the nucleus in an ovule? A fertilisation B germination C implantation D pollination

During puberty, secretion of hormones causes the development of secondary sexual characteristics. What is a characteristic caused by the secretion of testosterone? A breast…

Which row about asexual reproduction is correct? Columns: number of parents; offspring identical to parents; offspring identical to each other. A one; no; yes B one; yes; yes C…

What is an advantage of asexual reproduction in a wild population? A The population has reduced ability to respond to changes in the environment. B The population can increase…

The diagram shows the structure of part of a flower, with an anther and a stigma. An arrow represents the transfer of pollen from the anther to the stigma of the same flower.…

In a sperm cell, which structure contains enzymes that can digest the jelly coat of an egg cell? A acrosome B flagellum C mitochondria D nucleus

Where are the hormones oestrogen and progesterone produced during pregnancy? A amniotic sac B oviducts C placenta D umbilical cord

The umbilical artery takes blood from the fetus to the placenta. The umbilical vein carries blood from the placenta to the fetus. How do the contents of the umbilical artery…

Explain the importance of the acrosome and the mitochondria for the function of sperm cells.

A seedling is a seed which has just started to grow a small root and a small shoot. State the environmental conditions that a seed requires to grow into a seedling.

Fig. 7.1 is a diagram of part of the male reproductive system with structures labelled A, B, C, D and E. Complete Table 7.1 by writing in the letter of the structure that carries…

Describe the role of progesterone in pregnancy.

The diagram shows a human sperm cell with four structures labelled A, B, C and D. Which structure digests the egg cell membrane? A B C D

Some species of plants can reproduce by producing bulbs. The diagram shows a bulb (with leaves above soil and roots below). The bulb is produced by one parent plant and will grow…

Which diagram of the male reproductive system is correctly labelled? Each option A–D labels structures such as the urethra, sperm duct, testis, scrotum and prostate gland. The…

Which row is correct for asexual reproduction? Columns: number of parents; offspring compared with parent or parents. A one; genetically different B one; genetically identical C…

The diagram shows some stages in reproduction: female structure M which releases eggs; male structure N which releases sperm; egg cell and sperm cell undergo process P to form…

The diagram shows half a flower with four structures labelled A, B, C and D. Which structure produces pollen? A B C D

What is described as a ball of cells that implants into the lining of the uterus? A acrosome B embryo C fetus D zygote

What is the correct description of asexual reproduction? A Genetically different offspring are produced from one parent. B Genetically different offspring are produced from two…

The diagram shows a human female's reproductive organs with four parts labelled A, B, C and D. Where does fertilisation usually occur? A B C D

Which statement about human sexual reproduction is correct? A All gametes are haploid. B Fertilisation occurs when two diploid nuclei fuse. C The sperm is the male zygote. D…

Where is oestrogen produced? A cervix B ovaries C oviducts D uterus

What is a disadvantage of sexual reproduction for a population in the wild? A a reduction in genetic diversity B a decreased ability to adapt to changes in the environment C a…

Pollen grains from a plant were placed onto the stigma of a flower of the same plant, and the lengths of the pollen tubes were measured for four hours (the mean length of the…

Which hormones are released by the placenta during pregnancy? A FSH and LH B FSH and progesterone C oestrogen and LH D progesterone and oestrogen

Some descriptions of reproduction are listed. 1 formation of a zygote with a diploid nucleus 2 formation of a zygote with a haploid nucleus 3 fusion of diploid nuclei of two…

Which statement about pollination in plants is correct? A Cross-pollination is the transfer of pollen from the anther of a flower to the style of the same flower. B…

Fig. 5.1 is a diagram of an insect-pollinated flower with structures labelled A to G. State the letters of the structures in Fig. 5.1 that make up the stamen.

Fig. 7.1 is a diagram of the female reproductive system in humans, with parts labelled A to E. Table 7.1 shows the name, letter and function of some of the parts in Fig. 7.1.…

Bluebells are plants that can reproduce sexually and asexually. Define the term asexual reproduction.

Fig. 1.1 shows the changes in the concentration of two hormones (Y and Z) involved in the menstrual cycle over a 28-day cycle. State the names of the hormones Y and Z in Fig. 1.1.

Fig. 1.1 is a diagram of an insect-pollinated flower, with structures labelled A to G. Using the information in Fig. 1.1, complete Table 1.1 by giving the name and function of…