BIOLOGY
What is the name of the nitrogenous base found in the RNA but not in the DNA?
Answer: Uracil
Who was awarded a Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium?
Answer: MARIE CURIE
At which type of plate boundary do mountain ranges occur?
Answer: convergent plate boundary
In which state of matter will the sound travel the slowest?
Answer: Solid
In the Taxonomic Hierarchy, what category comes after “Phylum” and is followed by “Order”?
Answer: “Class”
What bond connects an amino acid to another amino acid?
Answer: Peptide bond
What term describes the process when a solid phase changes directly to the gas phase?
Global climate change is attributed to the atmospheric increase of which two gases produced by human activities?
answer: methane and carbon dioxide
What angle will the projectile have the same range if it is released at the same speed as it was originally released at 35o?
Answer: 55o
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. If the first boxcar is at rest after the collision, what speed will the second boxcar move?
9.3 m/s
What organelle of the cell could have malfunctioned if there are disruptions in the sorting, trafficking, and faulty localization of proteins and lipids?
Answer: Golgi Apparatus
The chemical element present in greatest abundance in the earth's crust is ____________.
Answer: Oxygen
If the hanging wall of the two blocks of rock moved upward, what type of fault is formed?
Answer: Reverse fault
What do you call the type of material that absorbs all the light strikes it?
Answer: Opaque Material
What is the name of the meteorological phenomenon characterized by the meeting of the Northern and Southern Hemisphere trade winds, often resulting in heavy rainfall and thunderstorms near the equator?
Intertropical Convergence Zone
What should be the gene of the man married to a woman with a “Heterozygous Blood type A” if their children expressing all the four blood types?
Answer: “Heterozygous Blood Type B”
How many molecules are there in 1 mole of a substance?
6.022 × 10²³ molecules (Avogadro's number)
Which landform is commonly created at a convergent plate boundary where an oceanic plate subducts beneath a continental plate?
Answer: trench/ oceanic trench
Neil is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 50 N directed at an angle of 40o below the horizontal direction. How much work is done on the mower in pushing it 8.8 m across the yard?
337.06 Joules
What is the astronomical event called when one celestial body moves into the shadow of another, blocking the Sun's light either partially or completely?
Answer: Eclipse
During digestion of carbohydrates, what do you call the process where water is introduced to break down the glycosidic bonds that exist between units of sugar in a polysaccharide chain?
Answer: Hydrolysis
How many neutrons are present in a gold atom (Au) with an atomic mass of approximately 197 and an atomic number of 79?
Answer: 118
Halley's Comet was last observed in 1986 and reappeared in 2061. Based on this observation period, what type of comet is Halley's Comet?
Answer: Short- period comet
Two billiard balls with mass 1.0 kg each are travelling towards each other. The first one is moving at a velocity of 3 m/s, while the other one moves at a velocity of -2m/s. After the collision, one billiard ball moves to the left at a speed of 2 m/s. What is the speed of the other ball?
Answer:3 m/s
How many valence electron does the atom have, as shown in the electron configuration below?
1s2 2s2 2p6 3s2 3p2
Answer: 4 valence electrons