5 to 8 Science MCQs Blanks Test - YLB Online Educational Forum

1. The tendency to gain or loss an element is also called?

A.Valency

B.Mass Number

C.None of them

D.Atomic Number

2. Nose consists of how many nostrils?

A.Two

B.Three

C.One

D.None of them

3. A nucleotide consists of?

A.Both of them

B.Sugar and base

C.Phosphate

D.None of them

4. Seed coat is known as?

A.None of them

B.Embryo

C.Testa

D.Micropyle

5. The flow of electricity is called?

A.Current

B.Force

C.Velocity

D.None of them

6. How many stages are there in Mitosis?

A.Three

B.None of them

C.Four

D.Two

7. Coal and oxygen react chemically to produce?

A.N2O

B.None of them

C.NH3

D.CO2

8. How many cells do bacteria have?

A.One

B.Two

C.None of them

D.More than two

9. What is PH scale of sodium hydroxide?

A.13

B.9

C.None of them

D.14

10. Which mirrors are used as security mirrors?

A.Concave mirrors

B.Convex mirrors

C.Both of them

D.None of them

11. Winter sleep that helps animals to save energy and survive in winter is called?

A.Camouflage

B.Hibernation

C.None of them

D.Aestivation

12. Influenza is an example of?

A.None of them

B.Fungi

C.Bacteria

D.Virus

13. What is the unit of energy?

A.None of them

B.Joule

C.Ammeter

D.Pascal

14. Blood bank in the body is called?

A.Pancreas

B.Spleen

C.Liver

D.None of them

15. Kingdom Monera deals with?

A.Bacteria

B.Plants

C.Animals

D.None of them

16. Which actions are performed according to our wishes?

A.Reflex actions

B.Voluntary actions

C.None of them

D.Involuntary actions

17. Which stars are the coolest stars?

A.Blue stars (25,000 C)

B.None of them

C.Proto star

D.Red stars (3,000 C)

18. What makes the red blood cells?

A.Vitamins

B.Iron

C.None of them

D.Proteins

19. What is thickness of human skin?

A.None of them

B.2 millimeters

C.3 millimeters

D.4 millimeters

20. Who defined acids in 1903?

A.Watson

B.August Arrhenius

C.Robert hook

D.None of them

21. Mass number is represented by?

A.N

B.A

C.None of them

D.Z

22. Flowering plants are called?

A.Both of them

B.None of them

C.Gymnosperms

D.Angiosperms

23. The characteristics that an organism inherits from its parents are called?

A.Chrysalis

B.Caterpillar

C.Traits

D.None of them

24. Anything that occupies space and has mass is called..................

A.Force

B.None of them

C.Energy

D.Matter

25. A form of energy which comes from motion is called?

A.Kinetic energy

B.Potential energy

C.None of them

D.Electrical energy

26. Thalamus lies inside the?

A.Medulla

B.Cerebellum

C.None of them

D.Cerebrum

27. Earth is traveling around the sun is called?

A.Rotation

B.None of them

C.Revolution

D.Axial rotation

28. The process of separation of solute and solvent from the mixture is called...........?

A.None of them

B.Filtration

C.Evaporation

D.Diffusion

29. Birds and animals are?

A.Both are them

B.Warm-blooded

C.Cold-blooded

D.None of them

30. How many groups are there in periodic table?

A.None of them

B.20

C.16

D.18