Physics
Chemistry
Biology
Physics 2.0
Chemistry 2.0
Biology 2.0
100

Which of these is an example of a renewable resource?

a) hydroelectric
b) oil
c) coal
d) fossil fuel

a) hydroelectric

100

The most commonly used bleaching agent is 

A) Alcohol
B) Carbon dioxide
C) Chlorine
D) Sodium chloride

C) Chlorine

100

Which among the following plays a role in production of alcohol in beer?

[A] Bacteria
[B] Protozoan
[C] Virus
[D] Yeast

[D] Yeast

100

Concentration of matter in a material is

a) volume
b) mass
c) density
d) weight

c) density

100

The most abundant gas in air is

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Water vapor

B) Nitrogen

100

Salamander belongs to which of the following class?

[A] Pisces  
[B] Aves
[C] Reptiles
[D] Amphibian

[D] Amphibian

200

When light enters from vacuum in to glass, it's velocity

a) decreases  
b) remains same
c) increases
d) varies depending on mass of glass

a) decreases  

200

Which one of the following is not a mixture?

A) Milk
B) Mercury
C) Cement
D) Air 

B) Mercury

200

Which of the following are examples of hydrophilic molecules?

[A] sugar
[B] cellulose
[C] starch
[D] all of the above

[D] all of the above

200

State the planets in order starting with the one closest to the sun

a) Mercury, Venus, Earth, Saturn, Uranus, Neptune,Mars, Jupiter

b) Jupiter, Saturn, Uranus, Neptune, Mercury, Venus, Earth, Mars

c) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

d) Earth, Jupiter, Mars, Mercury, Neptune Saturn, Uranus, Venus

c) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

200

Due to which of the following acids, Milk tastes sour when kept in the open for sometime?

A) Lactic Acid
B) Citric Acid
C) Acetic Acid
D) Carbonic Acid

A) Lactic Acid

200

Which of the following secretes digestive enzymes into the duodenum that break down proteins, fats, and carbohydrates?

[A] Liver
[B] Pancreas
[C] Gallbladder
[D] Small intestine

[B] Pancreas

300

The wavelength of green light is approximately 490 nm (nanometers).

 What is the order of magnitude of green light’s wavelength in meters?

a) 490x106 m
b) 490x10-6 m
c) 490x109 m
d) 490x10-9 m

d). 490x10-9 m

300

Which one of the following correctly defines the state of glass?

A) Crystalline solid
B) Super cooled liquid
C) Condensed gas
D) Liquid crystal

B) Super cooled liquid

300

Wilting of plants occurs due to excessive ____:

[A] Respiration
[B] Guttation
[C] Absorption
[D] Transpiration

[D] Transpiration

300

d)object 4

300

What are soaps?

A) Salts of silicates
B) Esters of heavy fatty acids
C) Sodium, salts of heavier fatty acids
D) Mixture of glycerol and alcohols

C) Sodium, salts of heavier fatty acids

300

The most serious air pollutant causing health hazard is ____:

[A] Ozone
[B] Sulfur dioxide
[C] Nitrogen oxide
[D] Carbon monoxide

[B] Sulfur dioxide

400

Liquids have the ability to flow because...

a) their particles can slide over each other
b) their particles have a irregular pattern
c) their particles are very far apart
d) there are strong forces of attraction between the particles

a) their particles can slide over each other

400

The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen

D) Oxygen

400

Which of the following is an insectivorous plant?

[A] Balanophora
[B] Rafflesia
[C] Orobanche
[D] Drosera

[D] Drosera

400

b) waxing gibbous

400

The hardest form of carbon is

A) Coke
B) Graphite
C) Diamond
D) Charcoal

C) Diamond

400

Cellulose is an example of which kind of nutrient?

[A] Carbohydrate
[B] Vitamin
[C] Protein
[D] Fat

[A] Carbohydrate

500

An airplane travels at an average speed 600km/h on an outward flight and at 400km/h on a return flight over the same distance.

What is the average speed of the whole flight?

a) 111m/s
b) 167m/s
c) 480 km/h
d) 500 km/h

c) 480 km/h

500

The acid present in lemon is

A) lactic acid
B) marlic acid
C) citric acid
D) tartaric acid

C) citric acid

500

Which of the following enzyme is essential for clotting of blood?

[A] Renin
[B] Thrombin
[C] Amylase
[D] Pepsin

[B] Thrombin

500

A car travels 600 km. The journey takes three hours. The highest speed of the car is 80 km/h, and the lowest speed is 40 km/h. What is the average speed for the journey?

a) 50 km/h
b) 60 km/h
c) 300 km/h
d) 200 km/h

 d) 200 km/h

500

Water drops are spherical because of

A) Polarity
B) Viscosity
C) surface tension
D) density is one

C) surface tension

500

Blood does not coagulate inside the body due to the presence of _____:

[A] Plasma
[B] Fibrin
[C] Hemoglobin
[D] Heparin

[D] Heparin