Everyday Science 2019 Part 02

Total Questions: 31

1 - Pepsinogen is converted into;

A ) HCl
B ) Gastrin
C ) Bicarbonate
D ) Pepsin ✅

2 - What is the color of oxyhemoglobin?

A ) Red
B ) Bright Red ✅
C ) Dark Red
D ) Pale yellow

3 - Mastication is called the process of;

A ) Digesting
B ) Grinding
C ) Chewing ✅
D ) Swallowing

4 - Which among the following is responsible for the clotting of the blood?

A ) Erythrocytes
B ) Platelets ✅
C ) Basophils
D ) White blood cells

5 - Which disease is caused by the deficiency of vitamin D?

A ) Scurvy
B ) Rickets ✅
C ) Night blindness
D ) All of these

6 - After fertilization , a fruit develops from which part of the plant?

A ) Ovule wall
B ) Anther
C ) Ovary ✅
D ) Sepals

7 - Yeast is essential in the making of bread because it produces;

A ) Carbon dioxide ✅
B ) Bacteria
C ) Oxygen
D ) Sugar

8 - Villi are small finger - like structure in the;

A ) Large intestine
B ) Small intestine ✅
C ) Stomach
D ) Esophagus

9 - Who among the following transmitted the first radio signal through the air?

A ) Faraday
B ) Marconi ✅
C ) Graham Bell
D ) Tesla

10 - The pancreatic juice which aids digestion is secreted into?

A ) Liver
B ) Duodenum ✅
C ) Stomach
D ) Lleum

12 - Which tube among the following joins kidneys and bladder?

A ) Urethra
B ) Ureter ✅
C ) Inferior Vena cava
D ) Suprapubic tube

13 - Dengue is caused by which type of mosquito?

A ) Culex
B ) Marsh
C ) Aedes aegypti ✅
D ) Mayaro

14 - Parthenocarpy is the production of fruit which makes the fruit;

A ) Full of seeds
B ) Seedless ✅
C ) Bitter
D ) Waterless

17 - What is the life span of red blood cells?

A ) 110 days
B ) 140 days
C ) 120 days ✅
D ) 170 days

18 - Enzymes are basically made up of;

A ) Fats
B ) Nucleic acids
C ) Vitamins
D ) Proteins ✅

19 - What is speed of sound in air?

A ) 1347 Km/h
B ) 1235 Km/h ✅
C ) 1290 Km/h
D ) 1495 Km/h

20 - Inflammation of the liver is caused by

A ) Cholera
B ) Hepatitis ✅
C ) Typhoid
D ) Jaundice

21 - Iron and steel structures are damaged by;

A ) Carbon monoxide
B ) Sulphur dioxide ✅
C ) Carbon dioxide
D ) Methane

22 - Stoma, found in the epidermis of leaves, closes when guard cells

A ) Gain water
B ) Lose water ✅
C ) Exchange water
D ) None of these

23 - A camera uses a convex lens to form an image which is;

A ) Real inverted, magnified
B ) Real inverted, diminished ✅
C ) Virtual, inverted ,diminished
D ) Real, upright, diminished

24 - Solar eclipse occurs when;

A ) Earth comes between sun and moon
B ) Moon comes between sun and earth ✅
C ) Sun becomes between earth and moon
D ) Sun rays don't reach earth

25 - Parsec is a unit to measure

A ) Time
B ) Speed
C ) Distance ✅
D ) Force

28 - Max Planck won Nobel Prize in physics in 1918 for the discovery of

A ) Time constant
B ) Energy Quantum ✅
C ) Heat constant
D ) Wave constant

29 - Who among the following invented bifocal spectacles and lightning rod?

A ) Galileo
B ) Benjamin Franklin ✅
C ) Thomas Madison
D ) James Edison

30 - Smooth Endoplasmic Reticulum is involved in the synthesis and storage of

A ) Polysacchari
B ) Proteins
C ) Lipids ✅
D ) DNA