Reproduction in Science for Year 7: Interactive Quizzes and Learning

Question 1

What is the main function of the male reproductive system?

Accepted Answer

To produce and release sperm

Answer

To provide a safe place for the developing embryo

Answer

To release eggs for fertilization

Answer

To control the menstrual cycle

Question 2

What is the main purpose of fertilization?

Accepted Answer

To combine genetic material from both parents

Answer

To provide nutrition for the developing embryo

Answer

To help the uterus grow

Answer

To trigger the release of hormones

Question 3

Which of the following is NOT a feature of asexual reproduction?

Accepted Answer

Production of sex cells (gametes)

Answer

One parent

Answer

Offspring that are identical to the parent

Answer

Rapid population growth

Question 4

What happens during sexual reproduction?

Accepted Answer

Two sex cells (gametes) join together

Answer

One parent produces offspring

Answer

New individuals grow from plant fragments

Answer

Cells divide to produce spores

Question 5

What is the function of pollen in flowering plants?

Accepted Answer

To transport male sex cells

Answer

To attract pollinators

Answer

To store food for the plant

Answer

To protect the seed

Question 6

Which organism reproduces by splitting in two?

Accepted Answer

Amoeba

Answer

Spider

Answer

Butterfly

Answer

Snake

Question 7

What is the name of the cell division that creates sex cells?

Accepted Answer

Meiosis

Answer

Mitosis

Answer

Binary fission

Answer

Budding

Question 8

Which part of a flower contains the female sex cells?

Accepted Answer

Pistil

Answer

Stamen

Answer

Petals

Answer

Sepals

Question 9

What is the result of fertilisation?

Accepted Answer

A zygote

Answer

An embryo

Answer

Increased genetic diversity

Answer

Protection for the offspring

Question 10

Which of the following is a type of sexual reproduction?

Accepted Answer

Fertilization

Answer

Budding

Answer

Spore formation

Question 11

What is the key difference between asexual and sexual reproduction?

Accepted Answer

Asexual reproduction produces genetically identical offspring while sexual reproduction produces genetically diverse offspring.

Answer

Asexual reproduction is slower than sexual reproduction.

Answer

Asexual reproduction requires two parents while sexual reproduction requires only one parent.

Answer

Asexual reproduction is more common than sexual reproduction.

Question 12

Identify the option that is NOT a type of asexual reproduction:

Accepted Answer

Fertilization

Answer

Budding

Answer

Fragmentation

Answer

Binary fission

Question 13

What is the main purpose of meiosis in sexual reproduction?

Accepted Answer

To create genetically diverse gametes (sex cells).

Answer

To fuse gametes (sex cells) to create a zygote.

Answer

To produce offspring that are identical to the parent.

Answer

To repair damaged cells.

Question 14

Which part of a flower produces the pollen grains?

Accepted Answer

Stamen

Answer

Pistil

Answer

Petal

Answer

Sepal

Question 15

Describe the process by which a seed begins to grow.

Accepted Answer

The seed absorbs water and nutrients from the soil, leading to the growth of the embryo into a new plant.

Answer

The seed receives pollen grains, and the embryo develops after fertilization.

Answer

The seed is carried away by animals, and the embryo grows into a new plant upon landing.

Answer

The seed remains buried deep in the soil, with the embryo staying dormant.

Question 16

Which of these animals undergoes a dramatic body change during its life cycle?

Accepted Answer

Frog

Answer

Cat

Answer

Dog

Answer

Fish

Question 17

What is the main advantage of external fertilization?

Accepted Answer

It increases the chances of successful fertilization by releasing sperm into the water.

Answer

It provides a safe and protected environment for the developing embryo.

Answer

It ensures that the offspring are genetically diverse.

Answer

It reduces the number of offspring produced.

Question 18

Why do some animals produce a large number of offspring?

Accepted Answer

To increase the likelihood that some will survive to adulthood.

Answer

To enhance their chances of finding a mate.

Answer

To serve as a food source for other animals.

Answer

To reduce competition among offspring.

Question 19

When does fertilization occur?

Accepted Answer

When the male and female gametes fuse

Answer

When the zygote divides

Answer

When the embryo implants in the uterus

Answer

When the fetus is born

Question 20

Which of the following animals is viviparous?

Accepted Answer

Dog

Answer

Snake

Answer

Turtle

Answer

Frog

Question 21

What type of asexual reproduction involves the formation of a new organism from an outgrowth of the parent body?

Accepted Answer

Budding

Answer

The division of the parent body into two new individuals

Answer

The fusion of two gametes

Answer

The development of an embryo inside the parent's body

Question 22

What is the process called by which genetic material is passed from one generation to the next?

Accepted Answer

Inheritance

Answer

Reproduction

Answer

Mutation

Answer

Evolution

Question 23

Which organ is responsible for producing sperm in humans?

Accepted Answer

Testes

Answer

Ovaries

Answer

Uterus

Answer

Fallopian tubes

Question 24

What structure nourishes the developing embryo in humans?

Accepted Answer

Placenta

Answer

Amnion

Answer

Umbilical cord

Answer

Yolk sac

Question 25

What is the term for the release of eggs by the female?

Accepted Answer

Ovulation

Answer

Menstruation

Answer

Fertilization

Answer

Implantation

Question 26

Which of the following is a key difference between male and female gametes?

Accepted Answer

Male gametes contain half the number of chromosomes as female gametes.

Answer

Male gametes are larger than female gametes.

Answer

Female gametes are motile, while male gametes are not.

Answer

Male gametes are produced in the ovaries, while female gametes are produced in the testes.

Question 27

Which of the following is a method of asexual reproduction where a new organism develops from a bud, which is an outgrowth of the parent organism?

Accepted Answer

Budding

Answer

Binary fission

Answer

Fragmentation

Answer

Spore formation

Question 28

What is the term for the process where male and female gametes combine to form a zygote?

Accepted Answer

Fertilization

Answer

Pollination

Answer

Gestation

Answer

Parturition

Question 29

Which of the following is NOT a feature of sexual reproduction?

Accepted Answer

Produces genetically identical offspring

Answer

Involves two parents

Answer

Increases variation within a species

Answer

Involves the fusion of gametes

Question 30

In a flower, which part is responsible for producing the male gametes?

Accepted Answer

Anther

Answer

Stigma

Answer

Ovary

Answer

Ovule

Question 31

Which of the following is an example of a mammal?

Accepted Answer

Cat

Answer

Fish

Answer

Bird

Answer

Lizard

Question 32

What is the term for the period when an embryo develops inside the mother's body?

Accepted Answer

Gestation

Answer

Parturition

Answer

Lactation

Answer

Weaning

Question 33

What is the term for the process by which plants spread their seeds?

Accepted Answer

Dispersal

Answer

Pollination

Answer

Germination

Answer

Photosynthesis

Question 34

Which of the following is a reason for reproduction?

Accepted Answer

To ensure the species continues to exist

Answer

To increase genetic variation

Answer

To provide food

Answer

To protect the environment

Question 35

What is the primary difference between internal and external fertilization?

Accepted Answer

Where fertilization takes place

Answer

Involvement of male and female

Answer

Type of gametes involved

Answer

Time of development

Question 36

What is a unique advantage of sexual reproduction compared to asexual reproduction?

Accepted Answer

Offspring have genetic diversity.

Answer

Sexual reproduction uses less energy.

Answer

Sexual reproduction creates more offspring.

Answer

Sexual reproduction is exclusive to animals.

Question 37

Which hormone is responsible for the development of male secondary sexual characteristics?

Accepted Answer

Testosterone

Answer

Estrogen

Answer

Progesterone

Question 38

Which statement about fertilization in animals is NOT true?

Accepted Answer

All animals fertilize their eggs in the same way.

Answer

Fertilization can happen inside or outside the female's body.

Answer

Internal fertilization protects the developing embryo.

Answer

External fertilization is more common in water animals than land animals.

Question 39

Which of the following is a defining characteristic of semelparous organisms?

Accepted Answer

They reproduce only once in their lifetime.

Answer

They produce offspring that are genetically identical to the parent.

Answer

They have a very long lifespan.

Answer

They reproduce multiple times in their lifetime.

Question 40

Which of these is an example of a plant reproducing without needing another plant?

Accepted Answer

A strawberry plant growing new plants from its runners.

Answer

A bird laying eggs.

Answer

A bee carrying pollen from one flower to another.

Question 41

What is the biggest benefit of sexual reproduction?

Accepted Answer

Offspring are different from their parents, making the species stronger.

Answer

It uses less energy.

Answer

It allows for faster reproduction.

Answer

It doesn't require a partner.

Question 42

Which of these is NOT a way for a single organism to reproduce without needing another?

Accepted Answer

Fertilization

Answer

Growing a new organism from a bud.

Answer

Breaking into pieces and each piece growing into a new organism.

Answer

Growing new organisms from tiny spores.

Question 43

What is the job of pollen in plant reproduction?

Accepted Answer

To carry the male cells to the female parts of the flower.

Answer

To attract insects to help with pollination.

Answer

To feed the growing seeds.

Question 44

What happens during fertilization?

Accepted Answer

A male cell joins with a female cell.

Answer

Seeds are spread by wind or animals.

Answer

A seed develops from an ovule.

Answer

A new plant grows from a seed.

Question 45

What is the main reason why organisms reproduce?

Accepted Answer

To make sure their species continues to exist.

Answer

To create new places for organisms to live.

Answer

To provide food for animals that eat them.

Answer

To make more competition within their species.

Question 46

Which of these is NOT true about sexual reproduction?

Accepted Answer

Offspring are always exactly the same as the parent.

Answer

It leads to offspring with different traits.

Answer

It needs two parents to happen.

Answer

It involves the joining of special cells called gametes.

Question 47

A plant grows new plants from its roots. What type of reproduction is this?

Accepted Answer

Asexual reproduction

Answer

Budding

Answer

Sexual reproduction

Answer

Fragmentation

Question 48

Why is it important for a species to have differences between individuals?

Accepted Answer

It helps the species survive if the environment changes.

Answer

It makes reproduction faster and easier.

Answer

It makes sure offspring are just like their parents.