A scientist wanted to create a weed killer that would specifically target the weeds that grew under his apple orchard. There are a number of areas he could target that would efficiently kill plants including: i. mitochondria ii. plasma membrane iii. rubisco iv. cytochrome b6f complex v. nuclear membrane vi. cell wall Which of the above areas would target the weeds, but not hurt the invertebrate animals that live in the soil? Multiple choice i, v, vi iii, iv, vi i, ii, v ii, iv, vi iv, v, vi

Weeds affect the crop plants byThe killing of plants in the field before they growDominating the plants to growCompeting for various resources of crops (plants) causing low availability of nutrientsAll of the above

• Action on Auxin and weed killers

Genetic engineering of crop plants to make them resistant to weed (plant considered undesirable in a particular situation, "a plant in the wrong place") killers is important because _______________.Group of answer choicesthe cost of producing these crops is less since they do not need to be weededweed killers also kill moth and butterfly larvaemany weed killers remain active for yearsit increases erosion of topsoil

In plant cells, ______ may contain organic nutrients, pigments, and poisons.mitochondriacentral vacuoleslysosomeschloroplasts

Which of these are ONLY found in PLANT CELLS?*1 pointMitochondriaChloroplastsCell MembranesEndoplasmic Reticulum