GRADE 11 -EARTH AND LIFE( RUQA)2nd Quarter

How will you describe the levels of biological organization?

• The biological levels of organization of living things arranged from the simplest to most complex.

• The biological levels of organization of living things arranged from most complex to the simplest.

• The biological levels of organization of living things are arranged alphabetically.

• The biological levels of organization of living things are not properly arranged

Why did it take millions of years for life to appear on Earth after the planet had formed?

• It took millions of years for RNA to replace DNA.

• The planet had warmed up enough to sustain life.

• The planet had cooled down enough to sustain life.

• Life on Earth could begin only when seedlings arrived on our planet from other worlds.

Which of the following is NOT a correct definition of Biology?

• Study of functions of living organisms and their parts

• Study of origin and differentiation of various organism

• Science that deals with structures, functions, and relationships of living things and their environment

• Science that deals with matter and energy and the way they act on each other in heat, light, electricity, and sound

Which of the following BEST describes the difference between a plant cell and an animal cell?

• Animals’ cells have cell walls and plant cells do not

• Plant cells have cell walls and animal cells do not

• Animal cells are eukaryotes and plant cells are not

• Plant cells are eukaryotes and animal cells are not

How were the different organisms created in terms of the biological organization of life?

• when tissues are formed

• when the different organs are combined

• when the different organ system functions as a whole

• none of the above

Place the following in the order in which they evolved or existed: eukaryotic cell, prokaryotic cell, photosynthesis, organic molecules

• eukaryotic cell, photosynthesis, prokaryotic cell, organic molecules

• eukaryotic cell, prokaryotic cell, organic molecules, photosynthesis

• organic molecules, eukaryotic cell, photosynthesis, prokaryotic cell

• organic molecules, prokaryotic cell, photosynthesis, eukaryotic cell

How does genomics differ to the concept of molecular biology?

• all of the above

• different proteins (proteome) found in a living organism

• it focuses on the genetic material (genome) of an organism

• it studies the molecules that make up the cells of living organisms

What BEST portrays an ecosystem?

• It refers to an interacting group of organisms.

• It is the integration of plants, animals and microorganisms

• Different species of living organisms that interact with each other.

• The area in which living things interact with one another and with their environment

It was stated that the organisms are evolving. The evolution can be due to environmental changes. More so, the conservation of their traits depends mainly on how they will survive. In this regard, humans alter the natural world bringing harmful consequences from their activity, known as _____.

• Environmental issues

• Environmental topics

• Ecosystem conflict

• Human intervention

Given the following components in the choices, which do you think comprises the complete concept of ecosystem?

• Living things

• Predators and consumers

• Non-living things

• Living and non-living things