Question:
Steven went to a farm and picked a bright red tomato from a broken branch on the plant. The tomato had a rotten spot with a worm inside of it. Instead of eating the tomato, Steven decided to plant the seeds and grow new tomato plants. Which characteristic of the tomato plant is inherited and could change over several generations?
OPTIONS:
- color of the skin
- size of rotten spots
- length of worms inside
- number of broken branches
Answer:
color of the skin
Question:
Which situation would most likely cause an object to travel in a circular motion?
OPTIONS:
- one force acting on the object in the opposite direction of the motion
- two forces acting on the object in the same direction as the motion
- one force acting on the object perpendicular to the direction of the motion
- two forces acting on the object in different directions to the motion
Answer:
one force acting on the object perpendicular to the direction of the motion
Question:
Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
OPTIONS:
- by producing crops that are virus resistant
- by making robots to replace large farm machines
- by reducing the need for countries to import food
- by increasing the use of wind farms that produce electricity
Answer:
by reducing the need for countries to import food
Question:
Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of
OPTIONS:
- hormones
- DNA molecules
- minerals and water
- undigested food molecules
Answer:
DNA molecules