Science Upcat

mock tests

A man walks 5 m north, 4 m east, 1 m west, and

finally 1 m south. How far is the man from his

starting point?

5 m

In an experiment, tall pea plant is dominant over

dwarf pea plant. Which of the following will

produce 75% tall pea plant and 25% dwarf pea

plant?

Tt x Tt

What percent of a parent isotopes remains after 2

half-lives?

25%

A person with blood type AB can donate blood to

persons with

blood type AB.

All of the following statements correctly describe Newton’s First Law of Motion EXCEPT:

A moving object will eventually stop on its own due to its natural tendency to come to rest.

All of the following are examples of inertia EXCEPT:

A person pedaling a bicycle to keep it moving at constant speed.

Which of the following correctly represents the formula for weight?

W=mg

All of the following affect the weight of an object EXCEPT

Volume of the object

You hang your picture frame by means of two

vertical strings. The tension in each string is

equal to

half the weight of the picture frame.

A lady firefighter of mass 50 kg slides down a

vertical pole with an acceleration of 4 m/s2. What

is the magnitude of the frictional force exerted

by the pole on her?

200 N

An object weighs 150 N on Earth. What is the

weight of the object on planet X, if the

acceleration due to gravity there is 1.9 m/s2?

29 N

A worker is lifting boxes of identical weight from

the ground onto a moving belt. At first, it takes

him 2 s to lift each box. Later in the day, it takes

him 3 s. Which statement is correct?

Later in the day, less power is developed in

lifting each box.

A boy kicks a ball from the ground into the air at

an angle. Which is about to become zero as the

ball approaches back to the ground?

the ball’s vertical displacement

Which one of the following does not describe the

motion of the car?

increasing acceleration then constant velocity

which is correct

Human has 46 chromosomes. 23 from mother and 23 from father

Which of the following best defines an allele?

An alternative form of a gene

Which of the following genotypes is heterozygous?

Aa

A person with blood type B has which of the following antigens on the surface of their red blood cells?

Antigen B

Which of the following individuals can safely donate blood to a person with blood type AB?

All blood types

According to Newton’s Second Law, if the net force on an object is doubled while the mass remains the same, what happens to the acceleration?

It doubles

A net force of 30 N acts on a 10 kg object. What is its acceleration?

3 m/s²

All of the following statements correctly describe Newton’s Second Law EXCEPT:

Force decreases if mass decrease

which of the following is incorrect

if an object’s mass increase, the net force decrease

“For every action, there is an equal and opposite reaction.” If a baseball

player hits a ball with a bat – and the “action” is said to be the impact of the

bat against the ball – what is its “opposite reaction?”

The force of the ball against the bat

Gravitational potential energy is energy an object possesses because of its position in a gravitational field. Which of the following has the most gravitational potential energy?

A truck at the top of the hill