
MASTERY TEST-Q2-EARTH & LIFE SCIENCE 11
Quiz by Sir Flavz Racuma
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Which of the following is used to determine the age of an organism based on the fossils recovered?
Who challenged spontaneous generation with his concept of biogenesis?
Which among the list of gases is present in least amount in primitive Earth’s atmosphere?
Which is the correct order of geologic time?
What theory says that early life was based solely on RNA?
What provided lots of information about the history of life on Earth?
What was called the early cell that eventually gave rise to all subsequent life on Earth?
Which theory states that probably life emerged from another planet and travelled through space to Earth?
Who conducted the Swan neck flask experiment?
What are called the "building blocks of life"?
Which trophic level has the most energy available?
What is the term for the specific environment of the ecosystem in which organisms live?
In how many directions does energy flow in an ecosystem?
Which of the following is an example of an abiotic factor in an ecosystem?
What do you call a heritable trait that helps an organism survive and reproduce in its present environment?
Which word refers to a condition where all physical, chemical, and internal conditions of a living organism is maintained in a steady state?
Tapeworms consume the host’s partially digested food and deprive the latter of food and nourishment. Which symbiotic relationship exists between tapeworm and host?Â
The type of reproduction when an organism is produced from one parent only is called ________________.
_______________ reproduction has occurred when an organism is produced from two parents.
__________________ reproduction results in offspring that are different from the parent organisms.
________________ reproduce asexually through budding.
A _____________ is an organism that is genetically identical to the parent.
In __________________, a parent organism splits into two identical daughter cells of the same size.
___________________ may occur through accidental damage, damage from predators, or as a natural form of reproduction.Â
. _______________ is the growth and development of embryos without fertilization.
The fusion of gametes is called____________________.
What is genetic engineering?
Which of the following is NOT a genetic engineering technique?
Which statement best describe genetic engineering?
What is the process of making changes in the DNA code of living organisms?
What DNA molecule is produced by combining DNA from different sources?
What does it mean to “clone a gene”?
What is a genetically modified organism (GMO)? A genetically modified organism is ____________.
Which of the following steps is NOT essential in producing recombinant DNA?
What is cloning? It is a method that scientists use to ________.
The heart pumps blood in a repeating sequence called the ______________ cycle.
__________________ is the pressure exerted by blood on the walls of a blood vessel that helps to push blood through the body.Â
What is the pathway of the air as it enters the respiratory tract?
Some animals such as ___________use diffusion to transport oxygen and nutrients throughout their bodies and remove waste.Â
The _____________ is the organ that performs excretory and osmoregulatory functions in mammals.
What is the pathway of the food as it enters and leaves the digestive tract?
_____________ form clots that prevent blood loss after injury.
When faced with a sudden drop in environmental temperature, an endothermic animal will ______________________.
Which of the following food chains is found in the forest ecosystem?
In a forest ecosystem, which of the following organisms are directly affected if the population of plants decreases?
In which of the layers of the rainforests will you find a sloth?
How do forests help in maintaining global climate? Plants in the forest _______.
Which of the following phrases BESTÂ describes symbiosis? It is a _____.
Which of the following examples show commensalism?