9th Science SET 4

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Free Online Best 9th Class Science Questions for improve your knowledge of Science Subject and General Knowledge for competitive exams. This 9th Science Set 4 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

Start

Congratulations - you have completed 9th Science Set 4.

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

Which of the following have an open circulatory system? (i) Arthropoda (ii) Mollusca (iii) Annelida (iv) Cnidaria

A	(i) and (ii)
B	(i) and (iii)
C	(ii) and (iv)
D	(ii) and (iii)

Question 2

A particle is moving in a circular path of radius r. The displacement after half a circle would be____

A	0
B	?r
C	2r
D	2?r

Question 3

A car of mass 1000 kg is moving with a velocity of 10 m/s. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of the car at the end of 25 s will be___

A	40 m/s
B	25m/s
C	10m/s
D	250m/s

Question 4

When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then the retardation will be____

A	=+ 2 m/s2
B	? 2 m/s2
C	? 0.5 m/s2
D	=+ 0.5 m/s2

Question 5

A car is travelling at a speed of 90 km/h. Brakes are applied so as to produce a uniform acceleration of – 0.5 m/s2. Find how far the car will go before it is brought to rest?

A	8100m/s
B	625m/s
C	620m/s
D	900m/s

Question 6

If the displacement of an object is proportional to square of time, then the object moves with____

A	Uniform velocity
B	Uniform acceleration
C	Increasing acceleration
D	Decreasing acceleration

Question 7

Which of the following elements is not a metalloid?

A	Boron
B	Silicon
C	Germanium
D	Tungsten

Question 8

Which of the following can sometimes be ‘zero’ for a moving body? i. Average velocity ii. Distance travelled iii. Average speed iv. Displacement

A	only (1)
B	(i) and (ii)
C	(i) and (iv)
D	Only (iv)

Question 9

When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in:

A	Centrifugation
B	Fractional distillation
C	Evaporation
D	Tunneling

Question 10

Which adaptation of the frog differentiates it from the fish?

A	Ability to live in water also
B	Lays eggs in water
C	Have a streamlined body
D	Presence of mucous glands in the skin

Question 11

In which of the following cases of motions, the distance moved and the magnitude of the displacement are equal? i. If the car is moving on a straight road ii. If the car is moving in circular path iii. The pendulum is moving to and fro iv. The earth is moving around the sun

A	only(ii)
B	(i) and (iii)
C	(ii) and (iv)
D	only (i)

Question 12

Paramecium has tiny hair like projections all around the outside of their cell that give the paramecium locomotion and help the food to move in its oral cavity. Can you choose the correct name for these locomotory organelles?

A	vili
B	cilia
C	Oral groove
D	cytopyge

Question 13

Suppose a boy is enjoying a ride on a marry-go-round which is moving with a constant speed of 10 m/s. It implies that the boy is_____

A	at rest
B	Moving with no acceleration
C	In accelerated motion
D	Moving with uniform velocity

Question 14

Angiospermae is a division of kingdom Plantae. The main characteristic feature of angiosperms is____

A	Seeds are naked in fruits
B	Seeds are covered with coats and are in fruits
C	Fruits are without seeds
D	Seeds are naked without fruits

Question 15

If the tip of the sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of____

A	cambium
B	Apical meristem
C	Lateral meristem
D	Intercalary meristem

Question 16

Which of the following statement is incorrect?

A	Aves are warm blooded, egg laying and have four four-chambered heart.
B	Aves have feather covered body, fore limbs are modified as wing and breathe through lungs
C	Most of the mammals are viviparous.
D	Fishes, amphibians and reptiles are oviparous.

Question 17

Choose the option that best describes the characteristics of the kingdom to which the mushroom belongs____

A	Unicellular prokaryotic organisms
B	Saprophytic, eukaryotic, multicellular organisms
C	Unicellular eukaryotic organisms
D	Autotrophic eukaryotic organisms

Question 18

What is the name of the metal which exists in liquid state at room temperature?

A	Mercury
B	Bromine
C	Sodium
D	Potassium

Question 19

Which among the following is a common feature of chrodates?

A	Presence of notochord
B	Presence of triploblastic condition
C	Presence of coelom
D	Presence of gill pouches

Question 20

Which of the following is most likely not a case of uniform circular motion?

A	Motion of the earth around the sun
B	Motion of a toy train on a circular track
C	Motion of a racing car on a circular track
D	Motion of hours’ hand on the dial of a clock

Question 21

Among the following choose the correct option that best describes the characteristics of spirogyra____

A	Multicellular, auto trophic, root like rhizoids.
B	Filamentous, presence of Cytoplasmic strands, presence of pyrenoids.
C	Cytoplasmic strands, autotrophic, presence of rhizome.
D	Presence of male cones, nonvascular, filaments.

Question 22

The various species of organisms are grouped together on the basis of similarities and dissimilarities, which is known as the classification. It helps in an easy study of the organisms. Among the following which is not an advantage of classification of organisms?

A	It helps to understand the interrelationship among the different groups of organisms.
B	It helps to study the geographical distribution of the plants and animals.
C	It helps to study the nuclear structure of the organisms.
D	It depicts before us a picture of all the life forms at a glance.

Question 23

The international Code of Biological Nomenclature provides the scientific nomenclature for every organism that consists of the genus name and the species name of the organism. Can you guess who introduced this system of binomial nomenclature of the organisms?

A	Carolus Linnaeus
B	Robert Hooke
C	Robert Whittaker
D	Ernst Haeckel

Question 24

Fungus and algae both are placed under the same division “Thallophyta”. What is the reason that both share the same group?

A	Both are autotrophic
B	Both are saprophytic
C	Plant body in both is not differentiated into root, stem and leaves
D	Both have false roots

Question 25

Which of the following statement is correct regarding velocity and speed of a moving body?

A	Velocity of a moving body is always higher than its speed
B	Speed of a moving body is always higher than its velocity
C	Speed of a moving body is its velocity in a given direction
D	Velocity of a moving body is its speed in a given direction

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 25 questions to complete.

←

List

→

Return

Shaded items are complete.

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20
21	22	23	24	25
End

Return

BACK SET 3

Study Zone

MCQ » 9th Science SET 4

9th Science Set 4

Important Links