Everyday Science Test 11

Total Questions: 30

1 - The focal length of a plane mirror

A ) Zero
B ) Infinite ✅
C ) Negative
D ) Finite

2 - A virtual image formed by a mirror is

A ) Always larger than the object
B ) Always smaller than the object
C ) Always erect ✅
D ) None

3 - The rear view mirror used by auto drivers is a..... mirror.

A ) Plain
B ) Concave
C ) Convex ✅
D ) Inverted

4 - Twinkling of stars is on account of

A ) Large distance of stars and storms in air
B ) Small size of stars
C ) Large size of stars
D ) Large distance of stars and fluctuations in the destiny of air ✅

5 - Which of the following can be used as a magnifying glass

A ) Concave mirror ✅
B ) Concave lens
C ) Convex mirror
D ) All of these

6 - The period of a pendulum depends on its

A ) Mass ✅
B ) Length
C ) Energy
D ) Displacement from the mean position

7 - A well cut diamond appears bright because

A ) Of reflection of light
B ) Of dispersion of light
C ) Of the total internal reflection ✅
D ) Of refraction of light

Explanation: The total internal reflection of light inside the diamond is the main reason for their brilliance.

8 - The sun's rays can be focused using the glasses used by a

A ) Near sighted person
B ) Far sighted person ✅
C ) Both the above
D ) Neither of these

9 - The lens used to rectify the defect of farsightedness is a

A ) Concave lens
B ) Convex lens ✅
C ) Spherical lens
D ) Plane glass

10 - The defect of eye called myopia generally affects people

A ) Of old age
B ) Of young age ✅
C ) Infants
D ) It affects people of all ages

11 - The defect of eye called hypermetropia, is corrected by using a

A ) Convex lens ✅
B ) Concave lens
C ) Spherical lens
D ) None

12 - The iris in the eye

A ) Does not allow the excessive amount of light entering the eye
B ) Allows only selected wavelength of light to enter the eye
C ) Controls speed of the light entering the eye
D ) Controls amount of the light entering the eye ✅

13 - In the abnormally of the eye called myopia, the person is said to be

A ) Farsighted
B ) Shortsighted ✅
C ) Suffering from astigmatism
D ) Suffering from cataract

14 - A person suffering from hypermetropia, also said to be suffering from

A ) Farsightedness ✅
B ) Shortsightedness
C ) Suffering from astigmatism
D ) Suffering from cataract

15 - If one mixes two primary colours, one creates

A ) A secondary colour ✅
B ) A complimentary colour
C ) A tertiary colour
D ) None

16 - Mixing yellow and blue paint will give

A ) Red paint
B ) Purple paint
C ) Green paint ✅
D ) Indigo paint

17 - Which of the following are considered warm colours?

A ) Red and blue
B ) Red and yellow ✅
C ) Blue and yellow
D ) All the above

18 - Which of the following is considered a cool colour?

A ) Blue ✅
B ) Red
C ) Green
D ) Yellow

19 - The complementary colour of red

A ) Is violet ✅
B ) Is blue
C ) Is green
D ) None

20 - Soap film exhibits brilliant colours in sun light due to

A ) Dispersion of light
B ) Scattering of light
C ) Interference of light ✅
D ) Diffraction of light

21 - The highest conductibility is shown by

A ) Smooth muscles
B ) Striated muscle ✅
C ) Cardiac muscle
D ) Both a and c

22 - Pituitary gland is located at the bas of

A ) Kidney
B ) Liver
C ) Brain ✅
D ) Pancreas

23 - Cerebral cortex is also called

A ) Meninges
B ) Neurilemma
C ) Grey matter ✅
D ) White matter

24 - Which part of the tooth is covered by enamel?

A ) Root
B ) Dentine
C ) Crown ✅
D ) All of these

25 - Which of the following are called cheek teeth?

A ) Incisors and canines
B ) Premolars and molars ✅
C ) Incisors and molars
D ) None

26 - In mammalian kidney the ultrafiltration occurs in

A ) Proximal tubules
B ) Distal tubule
C ) Loop of Henle
D ) Glomeruli ✅

27 - Which of the following teeth are absent in milk dentition?

A ) Premolars
B ) Molars ✅
C ) Canines
D ) Incisors

28 - The number of vertebrates in man is

A ) 23
B ) 28
C ) 33 ✅
D ) 43

29 - The antidiuretic hormone which regulates the amount of water excreted in urine is produced by

A ) Kidney
B ) Thyroid gland
C ) Pituitary gland ✅
D ) Adrenal gland

30 - The part of kidney that prevents the loss of water through urine is

A ) Henle's loop ✅
B ) Glomerulus
C ) Bowman's capsules
D ) Collecting tubules