GEN ED Flashcards
what is needed to transform sunlight directly into electricity?
a. generator
b. alternator
c. PV cell
d. dry cell
PV cell
What is the major reason why biomass should not be left to decompose in the open?
it releases methane to the air contributing to the problem of global warming
In terms of impact on the environment, which fuel would be the most ideal for transportation
a. diesel
b. gasoline
c. liquified petroleum gas
d. biodiesel
Liquified petroleum gas
What is the phenomenon that kills aquatic life that is an off-shoot of water pollution resulting from accumulation of phosphate and nitrate from waste materials, detergents and fertilizers?
Eutrophication
“FISH KILL” is caused mainly by ______
pollution
While observing some plants, a student notices some very small plants attached on rocks. In which group do these plants belong?
a. bryophytes
b. angiosperms
c. tracheophytes
d. gymnospem
Bryophytes
what is the connective tissue that is made up of tough fibers that is strong enough to connect a bone to another bone?
Ligament
What is the feeding procedure unique to birds wherein the mother bird partially digest the food and then place an amount into the mouth of the young bird?
a. internal digestion
b. regurgitation
c. external digestion
d. assimilation
regurgitation
What do you call the development of egg without fertilization?
a. Mitosis
b. parthenogenesis
c. spermatogenesis
d. mitochondria
Parthenogenesis
Volcanic eruptions are also accompanied earthquakes. what is the cause of these earthquakes?
movement of rock layers along faults
what part of the atmosphere filters the ultraviolet rays of the sun?
Ozone layer
why can the astronauts jump higher on the moon than on earth?
moon’s gravity is 1/6 of that of the earth
more leaves have fewer stomata on the upper surface than on the lower surface. A greater number of stomata on the upper surface would result in _____
a. reduce transpiration
b. faster rate of photosynthesis
c. excessive evaporation of water
d. closing of stomata on the lower surface
excessive evaporation of water
It is the condition in which the excessive number of organisms may result in unhealthy living conditions and lower quality of life?
overpopulation
Without the process of meiosis we can infer that offspring from sexual reproduction would ______
a. have a high degree pf genetic variety
b. have twice the assigned number of chromosomes
c. be identical
d. have a number of mutants
be identical