Biology
Which nutrient helps repair broken cells?
Protein
The electronic configuration of an atom is 2, 8, and 2. What is its atomic number?
12
What is the name of Isaac Newton's three extremely important laws?
Laws of Motion.
The ratio of the number of cars to the total number of tires is ...
1 : 4
Solve the inequality:
7 - 2x > -1
x < 4
What is the one country to which lemurs are native?
Madagascar
What is the name positive charge in an atom?
Proton
What piece of apparatus is used to measure temperature changes?
Thermometer
What is the interior angle of a regular pentagon?
108o
Here are the first four terms in a sequence.
1, 8, 27, 64
What is the next term in this sequence?
125
What type of cow has the biggest ears?
An elephant
(A female elephant is called a cow)
Who is credited with the invention of the modern periodic table?
Mandeleev
What term is given to a reaction which transfers heat energy to the surroundings?
Exothermic
In a right-angled triangle, which trigonometric identities represents the ratio of adjacent side to the hypotenuse?
Cosine
How many seconds are there in one week?
604800 seconds
Which blood vessel helps carry blood rich of oxygen to all body parts?
Artery
The substance that dissolves the solute is...
Solvent
What is 72 km/h in m/s?
20 m/s
Given that 8.95 × 5.62 = 50.299 complete these calculations.
895 × 0.562 = ...........
502.99
State all the roots of the quadratic equation
3x2 - 10x + 3 = 0
x = 1/3 and x = 3
What is the largest living structure on Earth?
The Great Barrier Reef
This solvent is commonly used in paper chromatography
Water
From rest, a car accelerated at 8 m/s2 for 10 seconds.
What is the position of the car at the end of the 10 seconds?
400 m
The handsome Mr Christian was born in the year ABCD, where A, B, C, and D is a 1-digit number.
If CD = 5AB and the year ABCD belongs to the 20th century, find the sum of A, B, C, and D.
(You need to state the value of A, B, C, and D)
1 + 9 + 9 + 5 = 24
Mr Christian has donated his blood z times.
He is dreaming that he lives healthy and long enough to donate his blood 100 times.
If he donates his blood z times more, he still needs 4 more donation to reach halfway of his dream.
How many times has he donated his blood?
z = 23