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SCIENCE F1 CHAPTER 3 AND 4

Total questions: 50

Worksheet time: 56mins

Name
Class
Date
1.

Which of the following systems involved in regulation of body temperature and water content?

I Endocrine

II Respiratory

III Digestive

IV Excretory

a)

I and II

b)

II and III

c)

III and IV

d)

I and IV

2.

Which of the following animals only sweat on their paws?

I Cat

II Dog

III Bird

IV Crocodile

a)

I and II

b)

II and III

c)

III and IV

d)

I and IV

3.

How do snails reduce water evaporation?

a)

Produce fluid

b)

Find dry place

c)

Move to new plant

d)

Get into its shell

4.

What will happen to a lizard in a cold enviroment?

a)

Move faster

b)

Metabolism rate increases

c)

Body temperature decreases

d)

Body temperature rises

5.

the following activities are usually done by humans in cold weather to raise body temperature. Choose the correct answer.

a)

I Drinking water

b)

II Reading books

c)

III Covering up the body

d)

IV Rubbing both hands

6.

What will happen if homoestasis fails to happens?

a)

All the functions of the cell will stop

b)

All cells will wilt

c)

Stop growing

d)

The nervous system will not able to send impulse

7.
Which of the system below not involved in body temperature?
a)
Nervous system
b)
endocrine system
c)
Excretory system
d)
muscular system
8.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
9.

Homeostasis

a)

allows for a wildly fluctuating internal environment

b)

is impossible in vertebrates

c)

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

10.

Which of the following animals has a body temperature that doesn't change depending on the weather outside?

a)
b)
c)
d)
11.

What might happen if you didn't run a fever when you got sick?

a)

You would recover much more quickly

b)

Your body temperature would drop to dangerous levels

c)

Your immune system would shut down

d)

Your body wouldn't fight off the infection as efficiently as it could

12.

You are growing a tomato plant in your house. Which of the following would the plant probably do to help maintain homeostasis?

a)

Grow away from the light coming from the window

b)

Grow toward the light coming from the window

c)

Growth is not affected by the light coming from the window

13.

A change inside of the organism caused by the initiation event is the ...

a)

response

b)

effector

c)

control center

d)

stimulus

14.

Which part of the feedback loop is a body part that makes a change to bring the system back to homeostasis?

a)

Effector

b)

control center

c)

response

d)

receptor

15.

What detects that the system is outside of homeostasis and adjustments need to be made?

a)

effector

b)

response

c)

control center

d)

stimulus

16.

The body part that senses the change inside the organism ...

a)

receptor

b)

control center

c)

effector

d)

response

17.

Identify the initiation event.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

a)

temperature change is noticed

b)

person begins to sweat

c)

body temperature decreases

d)

person begins to exercise

18.

Identify the response.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

a)

the person begins to sweat

b)

the person begins to exercise

c)

change in temperature

d)

body temperature increases

19.

During reproduction, _________ are created.

a)

offspring

b)

parents

c)

genes

d)

gametes

20.

Offspring created from a single parent.

a)

asexual reproduction

b)

sexual reproduction

21.

Choose all that apply.

Asexually produced offspring are _____________.

a)

identical to the parent

b)

identical to each other

c)

different than the parent

d)

different than each other

22.

Bacteria reproduce asexually by

a)

binary fission

b)

cell segregation

c)

gamete fertilization

d)

fragmentation

23.

What type of asexual reproduction is shown?

a)

budding

b)

vegetative propagation

c)

binary fission

d)

pollination

24.

What type of asexual reproduction is shown?

a)

budding

b)

vegetative propagation

c)

binary fission

d)

fragmentation

25.

Vegetative propagation is a form of asexual reproduction of _____.

a)

plants

b)

fungi

c)

animals

d)

bacteria

26.

Where does fertilisation happen?

a)

Uterus

b)

Ovary

c)

Oviduct/Fallopian Tube

d)

Urethra

27.

What structure helps sperm swim?

a)

Tail

b)

Head

c)

Mitochondria

d)

Infinity Gauntlet

28.

What is the name of the male gamete in humans?

a)

Sperm

b)

Ovum

c)

Testis

d)

Pollen

29.

What is the name of the female gamete in humans?

a)

Sperm

b)

Zygote

c)

Ovary

d)

Ovum

30.

Which animal undergoes external fertilisation?

a)

Cat

b)

Dog

c)

Human

d)

Frog

31.

What type of fertilisation is occurring here?

a)

Internal fertilisation

b)

Internal reproduction

c)

External fertilisation

d)

External reproduction

32.

What is the main disadvantage of asexual reproduction?

a)

Clones being produced

b)

No genetic variation so no chance of withstanding an environment change due to adaptation

c)

Genetic variation

d)

Only one parent needed so no need to put energy into finding a mate

33.

This type of reproduction involves two parents.

a)

Asexual reproduction

b)

Sexual reproduction

34.

Which answer choice is NOT a type of asexual reproduction?

a)

budding

b)

fragmentation

c)

fertilization

d)

binary fission

35.

Which organisms reproduce by binary fission where one single cell splits into two identical cells?

a)

starfish and flatworm

b)

giraffe and zebra

c)

bacteria and amoeba

d)

spider plant and strawberry plant

36.

Amoeba use mitosis and produce two offspring that are identical to the parent. This is an example of...

a)

budding.

b)

binary fission.

c)

regeneration.

d)

parthenogenesis.

37.

Sexual reproduction requires ______ parent(s) and asexual reproduction requires ______ parent(s).

a)

one, one

b)

two, two

c)

two, one

d)

one, two

38.
Which of the organisms produce the young one asexually ?
a)
Dog
b)
mushroom
c)
Human
39.

Pollen grains are produced by ?

a)

the anther

b)

the stigma

c)

the flowers

d)

the leaves

40.
Which of these includes a plant embryo (seed), a food supply, and a protective covering?
a)
flower
b)
fruit
c)
stem
d)
stamen
41.
The seeds of apple would probably be disbursed by?
a)
animals
b)
wind
c)
water
d)
fire
42.
Seeds can be disbursed by animals, water, and __________ ?
a)
wind
b)
earthquakes
c)
fire
d)
blizzards
43.
Pollen comes from the male or female parts of the flower?
a)
male
b)
female
44.
A coconut would probably be disbursed by ?
a)
animals
b)
wind
c)
water
d)
volcanos 
45.
The diagram shows the 28 days of the menstrual cycle. When does the lining of the uterus break down?
a)
A
b)
B
c)
C
d)
D
46.

The diagram below represents a system in the human body. The function of structure X is to _____________

a)

produce energy needed for sperm to move

b)

provide food for the sperm to carry to the egg

c)

produce and store urine

d)

produce sperms and male sex hormones

47.

The human female reproductive system is represented below. Where will the embryo attach itself after fertilization?

a)

A

b)

B

c)

C

d)

D

48.

Which type of birth control is pictured here?

a)

Diaphragm

b)

Intra-uterine Device (IUD)

c)

Condom

d)

Contraceptive pill

49.

What is Birth Control?

a)

Pills that prevent STD

b)

A method of preventing pregnancy

c)

Sexually Transmitted Disease

d)

Getting impregnated

50.

What does IVF stand for?

a)

In vitro fertilisation

b)

Insert viable foetus

c)

Internal variable fertilisation

d)

Internal vitro fertilisation

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