Which list shows pathogens in order of increasing size?

Prion, virus, bacterium, protozoan, macroparasite

Why is carbon dioxide removed from cells?

To prevent cells from becoming acidic

The gamete plays an important role in sexual reproduction because it carries

half the genetic information of the parent.

In the kidney, water reabsorption occurs:

In the descending limb of the loop of Henle

How does a plant respond in order to keep cool on an extremely hot day?

It opens stomata in the leaves.

Which three processes lead to variation/variability within offspring?

Crossing over, Random segregation, sexual reproduction

Cilia prevent the entry of pathogens into the human body by

moving trapped pathogens to the mouth.

Why is carbon dioxide removed from cells?

To prevent cells from becoming acidic

Which of the following statements best describes arteries?

Arteries are thick walled and muscular

Nitrogenous waste is at its highest concentration in

fluid in the collecting ducts of the kidney.

What feature of prions distinguishes them from all other types of pathogens?

Prions do not contain nucleic acids.

studbud

Year 12 Biology HSC Core Revision

29 termsStudBud Administration32 plays

Imported from external platform

Flashcards29 cardsFPractice quizPHost liveL

Questions 29

Answers

1
What comes first
Translation
Transcription
2
Which of the following can cause an imbalance of microflora in humans?
Excessive use of antiviral drugs
Immunisation against different diseases
Consumption of genetically modified foods
Overuse of antibiotics
3
Which list shows pathogens in order of increasing size?
Prion, virus, bacterium, protozoan, macroparasite
Virus, prion, bacterium, macroparasite, protozoan
Macroparasite, prion, protozoan, bacterium, virus
Bacterium, prion, virus, protozoan, macroparasite
4
Why is carbon dioxide removed from cells?
To prevent an increase in blood pH
To decrease osmosis
To prevent cells from becoming acidic
To allow oxygen to replace it
5
Which organelle below is only found in plant cells?
Vacuole
Mitochondria
Cell Wall
Cell membrane
6
What feature can be used to distinguish mature xylem cells from mature phloem cells?
Xylem cells have cell walls.
Phloem cells have a cytoplasm.
Xylem cells are located in the leaves.
Phloem cells are located in vascular bundles.
7
The gamete plays an important role in sexual reproduction because it carries
genetic information from both parents.
double the genetic information of the parent.
all of the genetic information of the parent.
half the genetic information of the parent.
8
Which of the following provides evidence that supports the theory of evolution?
Punnet squares
The fossil record
The DNA double helix
Clones
9
What effect will Antibiotics have on a virus?
None
Some
It will get rid of it
10
In what process does U swap with T?
Mitosis
Protein Synthesis
DNA replication
11
What is the genotype of pure breeding plants?
Heterozygous
Homologous
Monohybrid
Homozygous
12
In the kidney, water reabsorption occurs:
In the descending limb of the loop of Henle
In the distal tubule
In the ascending limb of the loop of Henle
13
How does a plant respond in order to keep cool on an extremely hot day?
It grows smaller leaves.
It grows more hairs on the surface of the leaves.
It opens stomata in the leaves.
It decreases the number of stomata on the top of the leaves
14
Which of the following will not affect the action of an enzyme?
Change in volume of substrate
Change in Temperature
Change in pH
Change in concentration of substrate
15
Antibodies are proteins that
break down pathogens.
bind with a specific antigen.
are produced by T cells to kill disease-causing viruses.
catalyse biochemical reactions.
16
How are lipids transported in mammalian blood?
They are dissolved in the blood.
They are part of the membrane of red blood cells.
They are attached to haemoglobin in red blood cells.
They are attached to proteins.
17
What type of cells are pictured?
Xylem
Phloem
18
A Kangaroo Rat can spend its entire life without drinking water
False
True
19
Which three processes lead to variation/variability within offspring?
Protein synthesis, mitosis, DNA replication
Sexual reproduction, DNA replication, protein synthesis
Crossing over, Random segregation, sexual reproduction
Mutation, fossil formation, DNA replication
20
Cilia prevent the entry of pathogens into the human body by
moving trapped pathogens to the mouth.
providing a protective body covering.
increasing circulation of blood to the infected area.
producing secretions toxic to pathogens.
21
Why is carbon dioxide removed from cells?
To prevent an increase in blood pH
To decrease osmosis
To allow oxygen to replace it
To prevent cells from becoming acidic
22
What do Phagocytes do?
Engulf and Destroy
Eat stuff
Eat bacteria
23
Which of the following statements best describes arteries?
They contain valves
Arteries are thick walled and muscular
They contain blood flowing to the heart
they allow gases to diffuse through the walls
24
How many days until your HSC Biology Exam?
34 Days
40 Days
29 Days
25
Nitrogenous waste is at its highest concentration in
fluid in the collecting ducts of the kidney.
interstitial fluid in the cortex of the kidney.
plasma in the renal artery.
plasma in the renal vein.
26
Which genotype below is Heterozygous?
TT
tt
Tt
XY
27
What is a role of the kidney in freshwater fish?
To excrete concentrated urine from the fish
To absorb salt from the environment
To remove water from the fish
To decrease nitrogenous waste lost to the environment
28
What is the average size of a red blood cell?
7-8 micrometres
10 micrometres
5 micrometres
29
What feature of prions distinguishes them from all other types of pathogens?
Prions are not cells.
Prions cannot reproduce outside a host cell.
Prions do not contain DNA.
Prions do not contain nucleic acids.

Year 12 Biology HSC Core Revision Flashcards | StudBud