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PHASOR- BRIDGE COURSE - mATH-BIO-SESSION-10

Total questions: 54

Worksheet time: 2hrs 1mins

Name
Class
Date
1.

What type of set is denoted as either { } or ∅?

a)

Superset

b)

Disjointed Set

c)

Empty (or Null) Set

d)

Subset

2.

Find n(A) when

A = {14, 16, 18, 20, 22, 24}

a)

6

b)

4

c)

12

d)

even numbers

3.

A = {x : x is a letter in the word SEAT}

B = {x : x is a letter in the word TASTE}


Determine if these two sets are equal or equivalent.

a)

Not equal because seat has 4 letters and taste has 5 letters.

b)

Equivalent because they have the same letters

c)

Equal because each set has the same cardinality and the same letters.

4.

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

a)

{3, 5, 7}

b)

{2, 3, 5, 7}

c)

{2, 3, 5, 7, 9}

d)

{1, 2, 3, 5, 7, 9}

5.

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

a)

{3, 5, 7}

b)

{2, 3, 5, 7}

c)

{2, 3, 5, 7, 9}

d)

{1, 2, 3, 5, 7, 9}

6.
8x ≥ -32
a)
x ≥ -4
b)
x ≥ 4
c)
x ≤ -4
d)
x ≥ 4
7.
s + 9 ≥ -25
a)
s ≥ -18
b)
s ≥ -34
c)
s ≤ 18
d)
s ≥ 34
8.
4x - 2 ≤ -22
a)
x ≥ -5
b)
x ≥ -6
c)
x ≤ -6
d)
x ≤ -5
9.
a)
x is less than or equal to -2
b)
x < -2
c)
-2 < x
d)
x is greater than -2
10.
When graphing an inequality, you use an open dot when you use which symbol?
a)
<, >
b)
≤, ≥ 
c)
≤, <
d)
≥, >
11.
Pick the correct letter for:
6 > x
a)
A
b)
B
c)
C
d)
D
12.
sin A = ?
a)
7/25
b)
24/25
c)
7/24
d)
25/7
13.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

14.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

15.
Which trigonometric ratio you would use to find side AB?
a)
Sin 60 = 10/AB
b)
Sin 60 = AB /10
c)
Cos 60 = 10 / AB
Cos 60 = 10 /AB
d)
tan 60 = AB /10
16.
Which trigonometric ratio you should use to find the height(h)?
a)
sin 60 = h/1000
b)
cos 60 = h / 1000
c)
cos 60 = 1000/h
d)
tan 60 = h / 1000
17.
Find the ratio for sinA. (Reduce the fraction)
a)
36/27
b)
4/5
c)
36/45
d)
3/5
18.
Solve for x.
a)
24.20
b)
4.92
c)
290.4
d)
29.75
19.

What are the only types of triangles we can use trigonometry with?

a)

Obtuse

b)

Acute

c)

Right

d)

Any type of triangle

20.

Which is the trig function that relates the adjacent side and the hypotenuse?

a)

cosine

b)

sine

c)

tangent

d)

all of the above

21.
Choose the correct ratio.
a)
A
b)
B
c)
C
d)
D
22.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
23.
cot(45o)
a)
½
b)
1
c)
-1
d)
√2
24.

1 - sin2x = _________?

a)

-cos2x

b)

sec2x

c)

cosx

d)

cos2x

25.

True or false:

cos (45°+ 30°) = cos45°+ cos30°

a)

True

b)

False

c)

Only on Wednesdays

26.

sec2 x is the same as.......

a)

sin x/ cos x

b)

1/sin2 x

c)

cos 2x/sin2 x

d)

1/ cos2 x

27.

BASIC UNIT OF CLASSIFICATION

a)

GENUS

b)

FAMILY

c)

KEY

d)

SPECIES

28.

BIOLOGICAL SPECIES CONCEPT WAS GIVEN BY

a)

JOHN RAY

b)

MILLER

c)

LAMARCK

d)

LINNAEUS

29.

Which micro-organism has the characteristics of both living and non-living things ?

a)

bacteria

b)

virus

c)

algae

d)

fungi

30.

The life span of tortoise is nearly ______________years

a)

1000

b)

2

c)

120

d)

none

31.

Banana is a

a)

tree

b)

herb

c)

shrub

d)

climber

32.

Pick the odd one out

a)

leech

b)

head louse

c)

leech

d)

bacteria

33.

Mesophytes,hydrophytes and xerophytes is classification of plants on the basis of

a)

nutrition

b)

flowers

c)

habitat

d)

lifespan

34.

Orchids are

a)

Saprophytes

b)

hydrophytes

c)

parasites

d)

mesophytes

35.

It is an invertebrate

a)

frog

b)

lizard

c)

octopus

d)

human beings

36.

it reproduces by dividing their bodies.

a)

bats

b)

lizard

c)

rats

d)

hydra

37.

Rainforests are found near the _____________?

a)

Desert

b)

Amazon

c)

Equator

d)

Ecuador

38.

The climate of a Tropical Rainforest can be described as... ?

a)

Cold, Wet & Humid

b)

Humid, Dry & Hot

c)

Humid, Wet & Hot

d)

Cold, Wet, Unstable

39.

How would you describe a Hot Desert Environment?

a)

Low rainfall/ low temps

b)

High rainfall/ low temps

c)

Low rainfall/High temps

d)

High rainfall/high temps

40.

What energy is harnessed in the Thar desert?

a)

Coal and Oil

b)

Wind

c)

Nuclear

d)

Solar

41.
What is a biome?
a)
A large scale ecosystem
b)
A small area with similar biotic features 
42.
Where does rain occur?
a)
low pressure
b)
high pressure
43.
Name the adaption
a)
Spiral roots
b)
Buttress root
c)
Butts root
d)
Ziging roots
44.
What is the highest layer of the rainforest?
a)
canopy
b)
emergent
c)
shrub
d)
under canopy
45.
Which is the correct explanation?
a)
The leaf is shiny to reflect sunlight in the shrub layer.
b)
The leaf has a drip tip and waxy cuticle to reduce the water on the leaf.
c)
the leaf is very thin to allow water to pass through it.
d)
the leaf has lots of veins to help absorb water.
46.
The litter layer is...?
a)
the leaves on the trees
b)
the layer of fallen leaves on the floor
c)
the nutrients which leaves the soil
d)
the layer above the canopy
47.

An ecosystem consists of ______ and _______ components.

a)

Human

b)

Living

c)

Non-Living

d)

Physical

48.

Abiotic components are

a)

Non-living things

b)

Living things

c)

Plants

d)

Animals

49.

Biotic components are

a)

Non-living things

b)

Living things

c)

Plants

d)

Animals

50.

Which of the following would be classed as "Abiotic" components of an ecosystem?

a)

Soil

b)

Water

c)

Plants

d)

Sunlight

e)

Animals

51.

Producers get their energy from (a)  

52.

Consumers get their energy from (a)  

53.

Which line would be labelled "Plants take up nutrients from the soil"

a)

A

b)

B

c)

C

54.

Which line would be labelled "Dead leaves fall from the tree"

a)

A

b)

B

c)

C

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