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WorksheetsReproduction
Total questions: 76
Worksheet time: 51mins
Which of these are examples of asexual reproduction
Cells dividing in muscles to replace damaged cells by mitosis
A pollen grain fertilising an ova inside an ovule
A sperm cell fertilising an egg cell
A new strawberry plant being produced via runners
Sperm and egg (ovum) cells are specialised cells called (a)
F (a) is when the male gamete combines with the female gamete
Asexual reproduction:
Genetically identical cells
Involves gametes
Brings about genetic variation in the population
Useful to species in a stable environment
During sexual reproduction, the egg cell is fertilised by the sperm cell to form a cell which is called?
(a)
The type of cellular division that produces gametes?
(a)
Meiosis produces?
Genetically identical cells
Genetically different cells
Which of these are adaptations of sperm cells?
Flagellum to stop the sperm cell from moving
Streamlined shape to help it move quicker
Enzymes in the head to stop the membrane around the egg cell from breaking down
Lots of mitochondria to release energy for movement
Animals like fish release their sperm into the water and rely on females releasing their eggs in a similar place for fertilisation to occur. This is called ................. ..........................
(a)
When human cells are said to be diploid, how many chromosomes do they have?
(a)
Gametes contain 23 chromosomes and are said to be h (a)
During day 14 of the menstrual cycle an egg cell is released from the ovaries into the (a)
Day 14 of the menstrual cycle is called (a)
Which of these are functions of the placenta?
Anchors the embryo into the uterus
Helps the embryo obtain glucose and oxygen from the mothers blood
Helps the embryo release waste materials such as carbon dioxide and urea into the mothers blood
Secretes the hormone progesterone which keeps the uterus lining maintained
The membrane that surrounds the embryo during pregnancy
(a)
When a women's water breaks, it is down to the cervix breaking the amnion and releasing the .................. ..............
(a)
When an embryo becomes recognisably human we call it a (a)
Changes to the human body, during the teenage years, is called (a)
Two hormones are released in both males and females during puberty that stimulate the secondary sexual characteristics, they are?
Follicle stimulating hormone
Oestrogen
Progesterone
Luteinising hormone
Which hormone stimulates sperm production in males?
Follicle stimulating hormone
Oestrogen
Progesterone
Luteinising hormone
Which hormone stimulates the testes to secrete testosterone that controls the secondary sexual characteristics?
Follicle stimulating hormone
Oestrogen
Progesterone
Luteinising hormone
Which of these are changes that happen to the body of males at puberty?
Production of egg cells
Growth and development of sex organs
Stops growth of facial, pubic and armpit hairs
Voice breaking
Which of these are changes that happen to the body of females at puberty?
Production of egg cells
Growth and development of sex organs
Stops growth of facial, pubic and armpit hairs
Stops the menstrual cycle
Which hormone is highest around day 4 of the menstrual cycle and is responsible for the maturation of a follicle
LH
Oestrogen
FSH
Progesterone
Which hormone is highest around day 11 of the menstrual cycle and is responsible for the growth and development of the uterus lining
LH
Oestrogen
FSH
Progesterone
Which hormone is highest around day 14 of the menstrual cycle and is responsible for ovulation
LH
Oestrogen
FSH
Progesterone
Which hormone is highest around day 17 of the menstrual cycle and is responsible for maintaining the uterus lining and inhibiting FSH and LH
LH
Oestrogen
FSH
Progesterone
Where is FSH produced from?
Pituitary gland
Ovaries
Corpus luteum
Placenta
Where is LH produced from?
Pituitary gland
Ovaries
Corpus luteum
Placenta
Where is oestrogen produced from?
Pituitary gland
Ovaries
Corpus luteum
Placenta
Where is progesterone produced from?
Pituitary gland
Ovaries
Corpus luteum
Placenta
Egg cells are grown and develop inside a (a) inside the ovary and this is stimulated by FSH
These are all underground stems, the "eyes" grow into new roots and shoots to grow a new plant.
runners
tubers
leaves
stems
These are all types of stems that grow along the ground.
runners
tubers
leaves
stems
When a piece of cut _______ is planted, roots may form from the cutting, and then a full plant develops.
leaves
stem
root
bulb
Requires only one parent
asexual reproduction
sexual reproduction
Which of the following is (are) an advantage to asexual reproduction methods
faster time to a mature
plant create large numbers of identical plants
keep best quality traits
all of the above
When the offspring are identical to the parent, this is ________________ reproduction?
Heredity
Sexual
Asexual
Chromosome
Which one of the following plants reproduces by means of bulbs?
The potato
The strawberry
The daffodil
The spider plant
What do you call the union of sperm cell and egg cell?
Fertilization
Reproduction
Fission
Budding
After fertilisation the ovule develops into
seeds
fruit
pollen
stigma
When pollen lands on the stigma of a flower, this is called [?]
(a)
After a flower has been pollinated, a [? ?] grows down the style
(a)
The pollen tube enters the [?]
(a)
The nucleus of the pollen grain fuses with the nucleus of the [?]
(a)
After fertilisation, the [?] and stamens of the flower fall off
(a)
The fertilised ovule is now called a [?]
(a)
The embryo forms a hard shell, called the [? ?]
(a)
The [?] of the flower swells up to form the fruit
(a)
What is the function of cotyledon?
proctect the seed
small holes that enable water and air to enter the seed
stores food
embryo that develops into root
Which condition is NOT needed for germination?
Water
Oxygen
Light
Suitable temperature
What does a seedling need energy for?
Photosynthesis
Growth
Movement
Reproduction
List three external conditions required for seed germination
soil, water, air
suitable temperature, water, sunlight
oxygen, water, suitable temperature
Which of these seeds will germinate?
A
B
C
D
