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S1 final review

Total questions: 14

Worksheet time: 9mins

Name
Class
Date
1.

A species of starfish has 44 chromosomes. If a starfish is undergoing DNA replication, how many chromosomes are there at the end of the replication, just before division?

a)

44

b)

22

c)

88

d)

0

2.

How do plants obtain the chemical energy that is stored and later used during photosynthesis?

a)

light energy from the sun

b)

chemical energy from oxygen

c)

energy from glucose

d)

energy from pyruvate

3.

Carbon dioxide is transferred in the carbon cycle. Photosynthesis and cellular respiration play a vital role in the carbon cycle. which statement BEST describes how carbon dioxide is cycled during photosynthesis and cellular respiration?

a)

Carbon dioxide is released after photosynthesis and consumed during cellular respiration.

b)

Carbon dioxide is consumed during photosynthesis and released after cellular respiration.

c)

Carbon dioxide is released after photosynthesis and cellular respiration

d)

Carbon dioxide is consumed during photosynthesis and cellular respiration.

4.

How does the rough endoplasmic reticulum interact with the Golgi apparatus?

a)

The rough endoplasmic reticulum breaks down materials that are excreted by the Golgi apparatus.

b)

The rough endoplasmic reticulum provides proteins that are sorted by the Golgi apparatus.

c)

The rough endoplasmic reticulum synthesizes lipids that are modified by the Golgi apparatus.

d)

The rough endoplasmic reticulum moves proteins that are broken down by the Golgi apparatus

5.

All of the following are important functions of proteins EXCEPT:

a)

store energy

b)

structural components for body(hair, skin, nails)

c)

used for antibodies

d)

regulates cell functions(enzymes)

6.

In living organisms, lipids function mainly as

a)

source of stored energy and transmitters for genetic info

b)

sources of stored energy and components of cell membrane

c)

transmits genetic info and catalyzes chemical reactions

d)

catalyst for chemical reactions and components of the cell membrane

7.

which molecules are shown in this diagram?

a)

carbon dioxide

b)

water

c)

salt

d)

glucose

8.

What is the pH of water?

a)

5

b)

6

c)

7

d)

11

9.

the tendency for water to stick to other water molecules is called __, whereas, water sticking to other surfaces is called __

a)

cohension/adhesion

b)

adhesion/cohension

c)

solution/cohesion

d)

hypotonic/adhesion

10.

The process which organisms keep their internal conditions fairly constant is called:

a)

metabolism

b)

photosynthesis

c)

evolution

d)

homeostasis

11.

A caterpillar turning into a butterfly over its lifetime. This is called

a)

evolution

b)

adaptation

c)

development

d)

homeostasis

12.

Which of the following is a common characteristic of monomers?

a)

they contain only one bond

b)

they do not react with other molecules

c)

they bond with monomers of the same type

d)

they are made from only one type of atom

13.

what is the monomer of a carbohydrate called?

a)

amino acid

b)

nucleotide

c)

monosacchride

d)

fatty acid

14.

Which of the following pairs is correctly matched?

a)

golgi apparatus-atp production

b)

vacuole-protein packaging

c)

nucleolus-protein delivery

d)

ribosomes-protein synthesis