Biology
What is cell wall in plants made up of ?
Cellulose
What term describes the rate of change of distance?
speed
What is the mass number of an atom?
Protons + Neutron
This type of radiation is emitted by unstable atomic nuclei.
Radioactive
This layer of the Earth is composed of solid iron and nickel.
Core
_________ keys are used to identify unfamiliar organisms. .
Fill the blank.
Dichotomous
What is the term for the quantity that describes an object’s resistance to change in its motion?
Inertia
What is the term for the pollution control device found in vehicle exhaust systems?
Catalytic converter
This is a common radioisotope used in thyroid scans.
Iodine
This geological event is caused by the movement of tectonic plates.
Earthquake
What hormone regulates water balance in the kidneys?
ADH
What equation relates the work done, force applied, and displacement in the direction of the force?
W = Fd
What does Le Chatelier’s principle state about pressure changes in reactions involving gases?
shift towards fewer moles
This material is commonly used to block X-ray radiation in medical imaging.
Lead
This term refers to the process by which molten rock cools and solidifies.
Crystallization
Which blood group is considered the universal recipient?
AB
What term refers to the motion of an object under the influence of a uniform force, leading to constant acceleration and predictable displacement over time?
Free fall
What is the catalyst used in the contact process for sulfur trioxide production?
Vanadium(V) oxide
Which imaging technique uses magnetic fields and radio waves to produce detailed images of internal organs and tissues.
MRI (Magnetic Resonance Imaging)
This phenomenon occurs when warm, moist air rises and cools, forming clouds and precipitation.
Convection
What is the condition called when there is an abnormal increase in white blood cell count?
Leukocytosis
What equation describes the displacement of an object under constant acceleration, using the initial velocity, acceleration, and time?
s= ut + (1/2)at²
What is the name of the process used to produce alcohol from alkenes?
Hydration
This imaging method involves the use of radioactive tracers.
PET (positron emission tomography)
This term refers to the Earth's atmosphere's ability to trap heat from the sun.
Greenhouse