A Scientist Is Testing a Variety of Plant Compounds to Determine

question 49

Multiple Choice

A scientist is testing a variety of plant compounds to determine which,if any,have characteristics that would make them good natural insecticides.Which compound would best meet this requirement?

• A) A pigment that provides color for flowers
• B) A volatile compound that acts as an insect neurotoxin
• C) A substance produced as a byproduct of respiration
• D) A volatile compound that attracts pollinators
• E) An essential oil with a pleasant odor that attracts insects

---

Definitions:

API GL-5

a classification of lubricants set by the American Petroleum Institute for high-pressure gear oils, commonly used in vehicle differentials and transmissions.

Differential Carriers

The housing that contains the differential in a vehicle, supporting the differential gears and enabling the distribution of power to the wheels.

Hypoid Gearsets

Hypoid Gearsets are used in the differential of vehicles, characterized by gears that engage at angles to each other, which allows for smoother and quieter operation than traditional gear systems.

MIL L 2105D

This refers to a military specification for lubricants, oils, and greases used in mechanical systems.