Science Questions from HSSC Tests 2017

Q 1. 1kWh = ___________ 

A. 3.2 x 1012 J B. 3.6 x 106 J C. 3.2 x 109 J D. 3.2 x 108 J

Ans. 3.6 x 106 J

Q 2. Which of the following gases is used to inflate balloons? 

A. Carbon dioxide B. Helium C. Oxygen D. Argon

Ans. Helium 

Q 3. How many blocks are there in the modern periodic table? 

A. 4 B. 6 C. 7 D. 18

Ans. 4

Q 4. In which group of elements in modern periodic table are the noble gases placed? 

A. 2nd B. 4th C. 12th D. 18th

Ans. 18th

Q 5. As you move left along the periodic table, the atomic number of the elements tends to ________ . 

A. Remain the same B. Increase C. Decrease D. First increase, then decrease

Ans. Decrease

Q 6. The elements in the periodic table are organized by ________ . 

A. Atomic mass B. Atomic number C. Atomic weight D. Atomic radius

Ans. Atomic number

Q 7. Which of the following acid is formed as a result of protein decomposition in the human body? 

A. Carbonic acid B. Amino acid C. Phosphoric acid D. Lactic acid

Amino acid

Q 8. Which of the following acid is known as a strong acid? 

A. Citric acid B. Nitric acid C. Oxalic acid D. Acetic acid

Ans. Nitric acid

Q 9. _______ causes climate change and global warming. 

A. Oxygen B. Nitrogen C. Hydrogen D. Carbon dioxide

Ans. Carbon dioxide

Q 10. Which period in the periodic table has both 's' and 'p' block elements? 

A. Only third period B. Only second period 
C. Second and third period D. Only first period

Ans. Second and third period

Q  11. Acids have a pH value that is _________. 

A. Greater than 7 B. Greater than 9 C. Less than 7 D. Less than or equal to 5

Ans. Less than 7

Q 12. The human alimentary canal is about ______ metres in length. 

A. 10 B. 9 C. 16 D. 2

Ans. 9

Q 13. The process of Immunization develops ________ . 

A. Natural Immunity B. Passive Immunity C. Adaptive Immunity D. Artificial Immunity

Ans. Artificial Immunity

Q 14. Beri-beri occurs due to vitamin ___________ deficiency. 

A. A B. B1 C. C D. K

Ans. B1

Q 15. Dental amalgam is an alloy of mercury with silver and ______ metals. 

A. Tin B. Iron C. Bronze D. Aluminium

Ans. Tin

Q 16. Which of the following organisms are first order consumers? 

A. Omnivores B. Carnivores C. Herbivores D. Decomposers

Ans. Herbivores

Q 17. Haematite is an ore of _______. 

A. Tin B. Aluminium C. Iron D. Copper

Ans. Iron

Q 18. _________ is an example of fossil fuel. 

A. Copper B. Iron C. Gold D. Coal

Ans.Coal

Q 19. Ronald Ross was awarded the Nobel prize for his work on __________.

A. AIDS B. Polio C. Malaria D. Cholera

Ans. Malaria 

Q 20. Which of the following animals is a warm blooded animal? 

A. Monkey B. Salamander C. Frog D. Lizard

Ans. Monkey

Q 21. __________ is composed of carbon, hydrogen, and hydroxide. 

A. Shampoo B. Liquid soap C. Glycerine D. Sucrose

Ans. Glycerine

Q 22. Animals which eat both plants and other animals are known as ________ A. Omnivores B. Carnivores C. Herbivores D. Bivores

Ans. Omnivores

Q 23. Cytology is the study of ________. 

A. Bones B. Cells C. Tumors D. Skin

Ans. Cells 

Q 24. __________ controls the endocrine system of the human body.

A. Thymus gland B. Pineal gland C. Thyroid gland D. Pituitary gland

Ans. Pituitary gland

Q 25. In which of the human body parts are villi present? 

A. Gall bladder B. Liver C. Large intestine D. Small intestine

Ans. Small intestine

Q 26. Osteoporosis is _______. 

A. Inflammation of joints creating pain and stiffness in joints. 

B. Inflammation of lungs creating breathing problems. 

C. Disorder characterized by low bone mass making people prone to fracture. 

D. Growth of new bones and muscles.

Ans. Disorder characterized by low bone mass making people prone to fracture.

Q 27. _________ causes AIDS. 

A. Virus B. Bacteria C. Fungi D. Protozoa

Ans. Virus

Q 28. Which of the following non-metals is a good conductor of electricity? 

A. Oxygen B. Bromine C. Graphite D. Iodine

Ans. Graphite

Q 29. Which of the following hormones is a plant hormone? 
A. Renin B. Insulin C. Leptin D. Cytokinin
Ans. Cytokinin

Q 30. Which blood group is referred as universal donor? 

A. A+ B. AB+ C. O- D. AB-

Ans. O-

Q 31. Chromosome is a part of _______ . 

A. Atom B. Tissue C. DNA D. Blood

Ans. DNA

Q 32. Where in our body can we find "Hammer & Anvil"? 

A. Brain B. Knee C. Shoulder D. Ear

Ans. Ear

Q 33. Human brain is divided into ________ parts. 

A. Two B. Three C. Four D. Six

Ans. Three

Q 34. A non-metal which is a conductor of electricity: 

A. Graphite B. Mercury C. Iodine D. Diamond

Ans. Graphite

Q 35. Which of the following parts in the brain is responsible for memory, planning and intelligence? 

A. Medulla Oblongata B. Brain stem C. Cerebellum D. Cerebrum

Ans. Cerebrum

Q 36. A(H1N1) virus causes ____________. 

A. Dysentery B. Typhoid C. TB D. Influenza

Influenza