Questions and CORRECT Answers
What will most likely be the result if all the mitochondria are removed from a plant cell?
A. It will be unable to carry out respiration
B. It will lose water through osmosis
C. It will break down the ribosomes in the cell
D. It will be unable to photosynthesize - CORRECT ANSWER - It will be unable to carry
out respiration
What process best explains how a nerve cell and a muscle cell can both develop from the same
fertilized egg?
A. Differentiation
B. Natural selection
C. Selective Breeding
D. Genetic engineering - CORRECT ANSWER - Differentiation
During Strenuous exercise, body temperature increases. The body responds to the increase in
temperatures by sweating, which helps to reduce body temperature. Which is demonstrated in
this situation?
A. Excretion
B. Metabolism
C. Homeostasis
D. Synthesis - CORRECT ANSWER - Homeostasis
Before mitosis begins, which happens before the nucleus starts dividing?
, A. The cytoplasm separates
B. The DNA replicates
C. The sister chromatids separate
D. The homologous chromosomes cross over - CORRECT ANSWER - The DNA
replicates
What is the function of autotrophs in the carbon cycle?
A. to use oxygen to produce glucose
B. to take in excess water
C. to use carbon dioxide to produce glucose
D. to feed on herbivores - CORRECT ANSWER - To use carbon dioxide to produce
glucose
Two different populations of birds live in the same area and eat the same types of food. Which
most likely describes the relationship between these two populations of birds?
A. competition
B. mutualism
C. parasitism
D. predator-prey - CORRECT ANSWER - Competition
What will most likely happen if the human population continues to grow at current rates?
A . There will be fewer natural resources available for future generations.
B. There will be an increase in nitrogen levels in the atmosphere.
C. There will be a decrease in water pollution.