Biology Plant Review

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria

• the vacuoles

• the nucleus

• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane

• cytoplasm

• nucleus

• vacuole

Tags

NGSS.MS-LS1-2

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy

• to control cell activity

• to remove waste products

• to allow molecules to enter the cell

Tags

NGSS.MS-LS1-2

Leaves are part of a plant’s shoot system. The xylem tissue in leaves transports —

• the bacteria needed for nitrogen fixation in root nodules

• the wax required to coat the surface of actively growing tissue

•  the water and minerals that are absorbed by the roots

• the oxygen that regulates the rate of carbohydrate production

Osmosis is the ______

• when the smell of the neighbors trash moves through the neighborhood

• smell of cookies moving through the kitchen

• movement of water across a semi-permeable membrane

• movement of gases across a room

Tags

NGSS.MS-LS2-1

Which word describes the cell membrane

• impermeable

• selectively permeable

A student observes a dark X-shaped structures in some onion root cells. Based on the observation, which process are these cells most likely performing?

• Meiosis

• Membrane Transport

• Mitosis

• Squirrel

Which statement is an example of how carbon moves through a food chain as part of the carbon cycle?

•  Producers release carbon dioxide, and consumers take it in. 

• Producers take in carbon dioxide, and consumers release it.

• Producers take in carbon from the soil, and they release it when they decompose.

• Producers release carbon into the soil, and consumers take it in from the soil.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Leaf-cutter ants harvest leaves and carry them to fungi that convert plant material into a usable form for the ants to digest. The fungi depend on the leaves for nutrients. The ants also produce an antibiotic on their bodies that helps protect the fungi from harmful bacteria. Which of these explains the relationship between the leaf-cutter ants and the fungi?

• Predation, because the ants feed on the fungi 

• Mutualism, because both the ants and the fungi benefit from each other 

• Competition, because both organisms consume the same resource for energy

• Commensalism, because the ants receive energy from the fungi and the fungi are unaffected

Tags

NGSS.MS-LS2-3

The energy pyramid below shows the energy made available by producers.

Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?

• 100 Joules

• 500 Joules

• 1,000 Joules

• 50 Joules

Tags

NGSS.MS-LS2-3