PPSC Preparation

EVERY DAY SCIENCE
For PPSC,FPSC,SPSC ,BPSC KPPSC AND FOR ALL COMPETITIVE EXAMS

1)With Earth-man’s present level of exploration of space:,

(a) We know how big the universe is

(b) We can plan a round of the universe

(c) We are placed in the middle of the universe

(d) It is not possible to know the size of the universe

2) What is the ‘Milky Way’?

(a) The road by which milk is conveyed

(b) The luxurious way the rich live

(c) The galaxy to which the Solar system belongs

(d) The star that emits milky light

  1. In its simplest form, the law of Gravitation states that two objects attract each other. Who pro-pounded this law?

(a) Mendel

(b) Jean Picard

(c) J. Priestley

(d) Newton

  1. Humidity is:

(a) discomfort due to heat

(b) excess of heat in the atmosphere

(c) presence of water vapour in the air

(d) absence of water vapour in the air

  1. Dry air is:

(a) good conductor of electricity

(b) bad conductor of electricity

(c) perfect insulator

(d) perfect conductor

6 The pituitary gland in our body is associated with the

(a) growth of our sexual system

(b) growth of our bones
c)growth of our teeth

d)growth of our legs

7)endocrine gland regulates hormones that control metabolism and energy-related reactions.

(a) Adrenal

(b) Pancreas

(c) Pituitary

(d) Thyroid

8) How many main organs of sense

(a) Five

(b) Four

(c) Three

(d) Seven

9)Human cell contains

(a) 44 chromosomes

(b) 46 chromosomes

(c) 48 chromosomes

(d) None of above

10)The primary function of the system is to support and protect the body.

(a) Digestive

(b) Skeletal

(c) Respiratory

(d) Muscular

11)Polio Vaccine was discovered by

(a) Jonas Salk

(b) Pasteur

(c) James Polio

(d) Robert Bruce

12)Heart Attack occurs due to

(a) Bacteria

(b) Stopping of Heart Beat

(c) Lack of Supply to the Heart

(d) None of above

13) The primary function of this system is to break food into usable form and to remove waste products.

(a) Digestive

(b) Skeletal

(c) Muscular

(d) Respiratory

14)The bone that protects the brain is called the

(a) Patella

(b) Cranium

(c) Ribs

(d) Tibia

15)Pneumonia is disease

(a) Viral

(b) Bacterial

(c) Protozoa

(d) None of above
16) Typhoid affects:

(a) Liver

(b) Intestine

(c) Lungs

(d) None

17) Paralysis affects

(a) Nerves

(b) Spinal cord

(c) Spleen

(d) Throat

18)Pneumonia affects

(b) Liver

(a) Lungs

(b) None

(c) Joints

19)Arthritis is disease of

(a) Joints

(b) Eyes

(c) Liver

(d) Nose

20)Deficiency of Potassium causes

(a) Night blindness

(b) Hypokalemiav

(c) Pellagra

(d) None of abovę

21) Presbyopia normally occurs at the age of

(a) 40-42

(b) 60-62

(c) 70-72

(d) None
22)Cardiology discusses

(a) Heart

(b) Eyes

(c) Brain

(d) None of above

23)Cone cells is eye detect

(b) Color

(a) Light

(d) None

(c) Heat

24)The central nervous system includes:

(a) Nerves

(b) Brain & spinal cord

(c) Brain

(d) Spinal cord

25)The peripheral nervous system includes:

(a) Nerves

(b) Brain & spinal cord

(c) Spinal cord

(d) Brain

26)The part of the brain responsible for thinking and memory is the

(a) Medulla

(b) Cerebellum

(c) Cerebrum

(d) Spinal Cord

27)The part of the brain responsible for involuntary actions such as breathing and heart beat is the

(a) Medulla

(b) Spinal cord

(c) Cerebellum

(d) Cerebrum

28)The endocrine gland the helps regulate blood glucose levels:

(a) Adrenal

(b) Pancreas

(c) Thyroid

(b) Pituitary

29)The endocrine gland helps control other glands and regulates blood pressure: and water balance

(a) Pituitary

(b) Adrenal

(c) Thyroid

(d) Pancreas
30)Fourth matter of state is

(a) Gas
(b) Liquid
(c) Plasma

(d) All of these

31)Which instrument can detect radioactivity.
(a) Geiger counter

(c) Anometer

(b) Sesimograph

(d) None of these

32)The theory of relativity is given by

(a) Einstein

(b) Newton

(c) Pasteur

(d) None of above

33)Inertia is

(a) Tendency resist state of motion

(b) Tendency to distert motion

(c) Effort to react

(d) None of these

34) Gravity on the moon is

(a) 1/6

(b) 1/9

(c) 1/10

(d) 1½