wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

DIFFICULT (Final Round)

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Ticks carry bacteria that cause Lyme disease. Ticks do not get Lyme disease, but they can transfer the bacteria to humans, who can get the disease. Which of the following statements best describes the relationships among the bacteria, the ticks, and the humans?

a)

The relationship between the bacteria and the ticks is competition, and the relationship between the ticks and the humans is predation.

b)

The relationship between the bacteria and the ticks is competition, and the relationship between the ticks and the humans are parasitism.

c)

The relationship between the bacteria and the ticks is commensalism, and the relationship between the ticks and the humans is parasitism.

d)

The relationship between the bacteria and the ticks is commensalism, and the relationship between the ticks and the humans is predation.

2.

A 98 kg car has a velocity of 3.2 m/s. What is the car's kinetic energy?

a)

470.4 J

b)

501.76 J

c)

940.8 J

d)

1008.52 J

3.

In order to explain how the interaction of two tectonic plates pressing against each other can produce an earthquake; the following steps must be arranged correctly:

I. Shock waves vibrate from rocks

II. Rocks at the edges of the plates break

III. Rocks at the edges of the plates bend

IV. Rocks at the edges of the plates rebound

 

Which of the following arrangement is correct?

a)

III, II, IV, I

b)

I, II, III, IV

c)

IV, I, II, III

d)

II, IV, I, III

4.

The constellation Pisces changes position during a night (as shown in the diagram). 

Which motion is mainly responsible for this change in position?

a)

Revolution of Earth around the Sun

b)

Rotation of Earth on its axis

c)

Revolution of Pisces around the Sun

d)

Rotation of Pisces on its axis

5.

Which of the following shows the correct chemical structure of glucose with the chemical formula of C6H12O6?

a)
b)
c)
d)
6.

A cross occurs between a Gray heterozygous mouse (Bb) and a white homozygous mouse (bb). What are the percentage probabilities for the genotype and phenotype of the offspring?

a)

100% black; 100% Bb

b)

50% gray, 50% white; 50% Bb 50% bb

c)

100% white; 75% BB, 25% bb

d)

100% gray; 100% Bb

7.

Alfred Wegener is a German arctic explorer and geophysicist who proposed the Continental drift theory. Which of the following was not used by Wegener as evidence of continental drift?

a)

Fossils that were found on different continents.

b)

The apparent fit of the continents.

c)

Magnetic anomalies on the seafloor.

d)

Evidence of glacial scratches continents found in the continents near the equator.

8.

On February 21, 2021 at 1:36 A.M. (PHT), the Philippines’ second cube satellite (CubeSat), _______________ was launched to the International Space Station (ISS). "The DOST is very proud of this achievement. Since DOST started the Philippine Space Technology Development Program in 2014, we have already sent orbiting into space two microsatellites -- Diwata-1 and Diwata-2 now two cube satellites. What is the name of the second cube satellite developed by the Philippines?

a)

Amaya-2

b)

Maya-2

c)

Agila-2

d)

Adlaw-2

9.

Chemists Benjamin List and David MacMillan have sparked a whole new field that’s aided drug discovery and made chemistry more environmentally friendly and awarded the chemistry Nobel Prize 2021. Which of the following discoveries they were involved?

a)

Development of asymmetric organocatalysis

b)

Development of first malaria vaccine

c)

Development of first cleaning catalyst on Biochemistry

d)

Development of Chinese new antiviral against Covid-19

10.

A balloon with a volume of 20 L at 303 K is submerged in a hot water with a temperature of 323 K. what would be its new volume reading, assuming that the pressure is constant?

a)

21.32 L  

b)

25.50 L

c)

31.50 L

d)

35.50 L