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PDT 4 FINAL 2 BIO

Total questions: 39

Worksheet time: 29mins

Name
Class
Date
1.

CAM plants open their stomata at night

a)

true

b)

false

2.

what part of the chloroplast does the Calvin cycle take place

a)

outer membrane

b)

thylakoid

c)

stroma

d)

inner membrane

3.

Many foods we eat are C4 plants

a)

true

b)

false

4.
The molecule that comes out of the Calvin Cycle to produce glucose, and polymers like cellulose is:
a)
RuBP
b)
GP3
c)
3-PG
d)
G3P
5.
In CAM Photosynthesis CO2 is stored as:
a)
Malate
b)
RuBP
c)
Pyruvate
d)
G3P
6.
The major products of the light-dependent reactions are
a)
ATP and NADPH
b)
NADPH and water
c)
carbon dioxide and water
d)
ATP and sugars
7.
In photosynthesis, carbon dioxide is used to make sugar during 
a)
ATP formation
b)
the Calvin cycle
c)
the light-dependent reactions
d)
the electron transport chain
8.
Which is not a phase of the Calvin Cycle?
a)
Carbon Fixation
b)
Reduction
c)
Regeneration of RuBP
d)
Regeneration of Oxaloacetate
9.

In C4 plants, the Calvin cycle....

a)

Takes place at night

b)

Only occurs when the stomata are closed

c)

Takes place in the mesophyll

d)

Takes place in the bundle-sheath cells

10.

which one close stomata during the day?

a)

cactus

b)

tomato

c)

hibiscus

d)

soybean

11.

Oxygen becomes attached to RuBP during...

a)

C3 pathway

b)

C4 pathway

c)

Calvin Cycle

d)

Photorespiration

12.

Which of the following is not true about the structure of haemoglobin?

a)

Each haemoglobin molecule contains four haem group

b)

Haemoglobin has a quaternary level protein structure

c)

Each iron ion in the haemoglobin can bind with maximum four oxygen molecules

d)

Haemoglobin consists of two α chains and two β chains, held together by hydrogen bond

13.

Bohr shift occurs in the region of

a)

Increase in partial pressure of oxygen

b)

Increase in pH value

c)

Increase in partial pressure of carbon dioxide

d)

Decrease in partial pressure of carbon dioxide

14.

Which of the following does not occur during exhalation?

a)

External intercostal muscles relax

b)

Diaphragm contracts

c)

ribcage moves outward and upward

15.

The opening and closing of stomata is controlled by

a)

The presence of light

b)

The osmotic pressure and turgidity of guard cells

c)

The accumulation of solutes in guard cells

d)

Partial pressure of oxygen and carbon dioxide

16.

Which of the following leads to stomatal closing?

a)

Water will flow out from guard cells into subsidiary cells

b)

Guard cells become turgid

c)

pH increases

17.
Gaseous exchange happens...
a)
in the bronchi
b)
in the lungs
c)
in the alveoli
d)
in the heart
18.
Oxygen + haemoglobin = ?
a)
oxygenated haemoglobin
b)
oxyhaemoglobin
c)
haemoglobin
d)
oxygenglobin
19.
A receptor that detects light and darkness it's called...
a)
Photoreceptor
b)
Mechanoreceptor
c)
Chemoreceptor
d)
brightnessreceptor
20.

carbon dioxide + haemoglobin?

a)

carbaminohaemoglobin

b)

carbahaemoglobin

c)

bicarbonate ions

21.

The taste of ______ indicates a protein-rich food.

a)

bitter

b)

umami

c)

salty

d)

sweet

22.

identify the mistake

a)

carbonic acid

b)

bicarbonate acid

c)

carbaminohaemoglobin

d)

oxyhaemoglobin

23.
This releases neurotransmitters which are sent into the synaptic cleft for receptors on the dendrite to taste
a)
axon
b)
synaptic terminal
c)
gene
d)
neuron
24.
this insulating material forms a layer, around the axon of a neuron.  It enables electrical signals to travel down the axon at higher speeds.
a)
neuron
b)
myelin
c)
dendrite
d)
neurotransmitter
25.
A chemical produced by neurons that carries messages to other neurons
a)
myelin sheath
b)
neurotransmitter
c)
axon
d)
axon terminal
26.
Label the Neuron-What does the letter "H" represent?
a)
Schwann Cell
b)
Axon
c)
Synaptic Terminal
d)
Dendrite
27.
Label the Neuron-What does the letter "C" represent?
a)
Cell Body
b)
Dendrite
c)
Axon Terminal
d)
Myelin Sheath
28.
Label the Neuron-What does the letter "B" represent?
a)
Myelin Sheath
b)
Schwann Cell
c)
Cell Body
d)
Nucleus
29.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
30.
The brain is part of the _____ nervous system.
a)
central
b)
peripheral
c)
autonomic
d)
subconcious
31.
What is the normal resting potential of a neuron cell membrane?
a)
+40mV
b)
-30mV
c)
+55mV
d)
-70mV
32.
At which point on the diagram does depolarisation of the axon occur? 
a)
A
b)
B
c)
C
d)
D
33.

Which of the following uses ACTIVE transport?

a)

sodium-potassium pump

b)

voltage gated sodium ion channel

c)

potassium ion channel

34.
Which cells are involved in antibody mediated immunity
a)
B lymphocytes
b)
T lymphocytes
c)
Macrophages
d)
Monocytes
35.
The enzyme in tears which has anti-microbial properties is called
a)
lysozyme
b)
liposome
c)
lipase
d)
lysosome
36.

which one is NOT the effect of interleukin-2?

a)

activation of helper T cell

b)

proliferation of helper T cell

c)

display of MHC-antigen complex

d)

activation of cytotoxic T cell

37.

interleukin 1 is secreted by?

a)

Helper T cell

b)

antigen presenting cell

38.
What organ is this?
a)
Kidney
b)
Heart
c)
Stomach
d)
Liver
39.

What acts as self markers in nucleated cells?

a)

Histocompatibility complex molecules

b)

antigens

c)

lymphocytes

d)

antibiotics

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