BTEC Applied Science UPDATED Exam Questions and CORRECT Answers

BTEC Applied Science UPDATED Exam
Questions and CORRECT Answers
covalent bond - CORRECT ANSWER - A chemical bond that involves sharing a pair of
electrons between atoms in a molecule between two non-metals


Ionic Bond - CORRECT ANSWER - Formed when one or more electrons are transferred
from one atom to another between an metal and non-metal


Metalic bond - CORRECT ANSWER - the chemical bonds that bind atoms together in a
metal


Wave speed equation - CORRECT ANSWER - wave speed = frequency x wavelength



Critical angle equation - CORRECT ANSWER - Sin c=1/refractive index



Refractive index equation - CORRECT ANSWER - Speed of light in a vacuum/Speed of
light in the medium = sin i/ sin r


What is an axon? - CORRECT ANSWER - the long threadlike part of a nerve cell along
which impulses are conducted from the cell body to other cells.


Nuerons - CORRECT ANSWER - a nerve cell; the basic building block of the nervous
system


What is the palisade layer? - CORRECT ANSWER - A tissue made of elongated cells,
each containing hundreds of chloroplasts, and is the main site of photosynthesis.


Alveoli - CORRECT ANSWER - air sacs in the lungs