WorksheetsEARTH AND LIFE SCIENCE
Total questions: 20
Worksheet time: 10mins
It is a process in which animals with desired characteristics are mated to
produce offspring with the desired traits.
Cloning
Hybridization
Inbreeding
Selective breeding
These are ancient practices of genetic engineering except
Hybridization
Inbreeding
Recombinant technology
Selective breeding
Which is not a tool in recombinant DNA technology?
Enzymes
Host organisms
Restriction enzymes
Vectors
In recombinant DNA technology which is most used as a host organism?
Bacteria
Cells
Plasmid
Vectors
What do you call the transgenic organism that taste of grapes but looks like
apple?
Aplgrapes
Aplres
Grapple
Legrapes
What animal is used to enhance milk to produce silk stronger than steel?
Cow
Lion
Scorpion
Spider
What body system does a turtle’s shell belong to?
Circulatory
Digestive
Muscular
Skeletal
Which system of the body uses veins, blood, and arteries?
Circulatory system
Digestive system
Muscular system
Respiratory system
The immune system is to antibodies as the endocrine system is to
White blood cells
Nerve cells
Marrow
Hormones
How does the digestive system work with all other systems?
The digestive system transport blood to all the other systems
The digestive system puts oxygen into the body
The digestive system gives the body energy and nutrients
The digestive system allows the body to move
This is also called migration
Gene flow
Genetic shuffling
Genetic variation
Mutation
His theory involves natural selection
Carolus Linnaeus
Charles Darwin
Jean Baptiste de Lamarck
Thomas Malthus
Diagram that trace evolutionary relationships and connections among
organisms
Evolution
Family tree
Lineages tree
Phylogenetic tree
Common ancestor shows in group _____________.
Monophyletic
Paraphyletic
Polyphyletic
Polytomy
Indicates recent common ancestor but not all descendants are included
Monophyletic
Paraphyletic
Polyphyletic
Polytomy
The biotic and abiotic factors that prevent the growth of a population like food,
water and space is called _____________________.
Limiting factor
Biotic potential
Carrying capacity
Environmental resistance
What is the connection between biotic potential and environmental resistance?
Biotic potential increases the population whereas environmental resistance
confines its growth.
Biotic potential increases the population while environmental resistance
decreases its growth.
Biotic potential and environmental resistance are the two factors that
increase the population growth.
Biotic potential and environmental resistance are the two factors that limit
the population explosion.
Salt intrusion is the movement of saline water to fresh water aquifers which
can lead to the following EXCEPT
Loss of vegetation
Erosion to low land area
Contamination of ground water
Shortage in drinking water supply
Which of the following is an example of a human impact of the biosphere?
Littering
Air pollution
Water pollution
Littering, air and water pollution
What part of geosphere is a thin layer of solid rock that makes up the
outermost part of the Earth?
core
crust
mantle
biosphere
