Everything About Cells
Heredity
Ecology
Evolution
Photosynthesis and Respiration
10
Which of the following is something that all living organisms have in common?
A. They all contain at least one cell.
B. They all need a source of oxygen.
C. They all use other organisms for food.
D. They all find mates to reproduce.
A. They all contain at least one cell.
10
When studying heredity, Punnett squares are often used to predict the probability of traits in offspring. How can the traits of offspring be predicted using a Punnett square?
A. The offspring receives all of each parent’s genetic material.
B. The offspring receives half of its genetic traits from each parent.
C. The offspring only receives the dominant traits from their parents.
D. The male offspring receives the traits from the father, and female from the mother.
B. The offspring receives half of its genetic traits from each parent.
10
While growing on a lawn, some weeds, such as dandelions, struggle to get the nutrients and water that other plants, such as grass, also need to survive. This is an example of which of the following?
A. predation
B. commensalism
C. parasitism
D. competition
D. competition
10
Which of the following causes gradual changes in a population to produce a new species and is often referred to as "survival of the fittest?"
A. natural selection
B. symbiosis
C. isolation
D. adaptation
A. natural selection
10
Which of the following processes would be most likely to release carbon dioxide into the environment?
A. building a wooden house
B. growing trees in the yard
C. burning wood in a campfire
D. chipping up wood for mulch
C. burning wood in a campfire
20
In an animal, a muscle cell requires more energy than other cells. Because of this, you would expect to find more of which type of organelles in muscle cells than in other cells?
A. vacuoles
B. chloroplasts
C. cell walls
D. mitochondria
D. mitochondria
20
Genes can be found at specific locations on a chromosome. Which of the following statements explains the relationship that is most similar to the relationship between genes and chromosomes?
A. a blueprint for building a house
B. a sail that allows wind to move a boat
C. the fur that covers and insulates a polar bear
D. the stairs that lead from the first floor to the second floor
A. a blueprint for building a house
20
Which of the following is an example of parasitism?
A. bees and flowers
B. a tick on a dog
C. barnacles attached to a whale
D. a wolf and a rabbit
B. a tick on a dog
20
Scientists believe that the modern horse developed from a short, horse-like mammal about the size of a dog. Over millions of years, the horse increased in size and developed much longer legs. Horses with longer legs had a better chance of surviving than the shorter-legged members of the herd. How did longer legs help horses survive?
A. They allowed the horses to reach nuts in trees.
B. They allowed the horses to outrun predators.
C. They allowed the horses to carry more body weight.
D. They allowed the horses to capture prey.
B. They allowed the horses to outrun predators.
20
Which ingredient is missing from this cellular respiration formula?
Glucose (sugars) + ?? = Energy + CO2 + Water
Oxygen
30
It is very important for all living organisms to regulate their bodies. The cell membrane allows some substances to enter the cell while holding others inside. Which of the following is the condition in a cell when equal amounts of substance enter and leave the cell?
A. Active transport
B. Diffusion
C. Homeostasis
D. Osmosis
C. Homeostasis
30
Jermaine crosses a heterozygous seed (Dd) with a homozygous recessive (dd) for wrinkled seed. What percent of this cross will show the phenotype for wrinkled seeds?
A. 100%
B. 50%
C. 25%
D. 0%
B. 50%
30
Soil organisms, such as fungi, worms and bacteria are parts of a forest ecosystem. What is the role of these organisms in a food web?
A. To break down the remains of once living things.
B. To obtain dissolved oxygen from moisture.
C. To store chlorophyll for photosynthesis.
D. To provide oxygen for the animals.
A. To break down the remains of once living things.
30
When Charles Darwin first observed the finches on the Galapagos Islands, he noticed that the beaks of the birds on each island were different. The drawings below show four different beaks.
What is a possible explanation for the difference in the birds’ beaks?
A. Adaptation to different food sources
B. Adaptation to different temperature ranges
C. Ability to attract different mates
D. Ability to protect from different predators
A. Adaptation to different food sources
30
Fossil fuels such as natural gas and petroleum contain carbon. How did the carbon get into the fossil fuels?
A. It migrated into them from the rocks in which the fossil fuels are found.
B. It seeped out of coal buried near the fossil fuel deposits underground.
C. It was in the air that was trapped underground when the fossil fuels formed.
D. It was once part of the organisms from which the fossil fuels formed.
D. It was once part of the organisms from which the fossil fuels formed.
40
Which of the following structures is found only in a plant cell?
A. Mitochondrion
B. Cell Wall
C. Cytoplasm
D. Nucleus
B. Cell Wall
40
Jay-Z and Beyonce are both heterozygous for brown eyes, which is a dominant trait. What is the likelihood that they will have a blue-eyed baby?
25% blue
40
What would be the most likely effect if the insects in the diagram died due to pesticides?
A. The squirrels would die.
B. The frogs would die.
C. The mouse population would increase.
D. The plant population would decrease.
B. The frogs would die.
40
A farmer wanted to find out if the number of plants per field would impact the final number of plants that survived in a field. Fields A, B, and C were the same size with the same type of soil. They also received the same amount of light and water. What is a possible explanation for the decrease in the final number of plants in Field C?
REFER TO THE PRINTED TABLE B
A. Only plants with specific traits survived.
B. Plants with deeper roots received more water.
C. Plants whose seeds were carried by wind survived.
D. Too many plants in a small area competed for nutrients.
D. Too many plants in a small area competed for nutrients.
40
Kendall plants flower seeds and places caterpillar larvae in a sealed container with enough light, soil, moisture, and gases to thrive. When she observes the container later, she find that the flowers have sprouted, and caterpillars have eaten some of their leaves. If it was possible to measure the carbon content of every part of this enclosed container before and after Kendall performed her experiment, what would Kendall find?
A. The total amount of carbon increased.
B. The total amount of carbon decreased.
C. The total amount of carbon was constant throughout the experiment.
D. The total amount of carbon decreased before and increased after the flowers sprouted.
C. The total amount of carbon was constant throughout the experiment.
50
Tara is looking at slides of different types of cells under a microscope. She creates a data table that lists the organelles found in each cell.
REFER TO THE PRINTED TABLE A PROVIDED
Based on the information in the table, which cells can be classified as plant cells?
A. Cells W and Y are plant cells.
B. Cells X and Y are plant cells.
C. Cells W, X, and Y are plant cells.
D. Cells X, Y, and Z are plant cells.
B. Cells X and Y are plant cells.
50
The parents in the diagram below have which of these genotypes?
A. DD and Dd
B. Dd and Dd
C. Dd and dd
D. DD and dd
C. Dd and dd
50
Mangrove trees are common to the Florida Everglades. The tree roots serve as a place for freshwater oysters to attach when the tide is high, as shown in the picture below. The oysters are protected from predators when attached to the roots underwater.
The oysters do not harm the trees nor do they provide any benefit to the trees. Which of the following relationships is most similar to the relationship between the mangrove trees and the oysters?
A. African ants living in acacia trees feed on leaf-eating insects found on the tree.
B. Spider crabs are camouflaged by the green-brown algae growing on their shells.
C. A whale is unaffected by the attached remora fish feeding on the whale’s leftover food.
D. Bees fly from one flowering plant to another gathering nectar and pollinating the flowers.
C. A whale is unaffected by the attached remora fish feeding on the whale’s leftover food.
50
The trilobite (fossil pictured below) was an ancient organism that used to live in shallow waters about 521 million years ago and had a wide variety of food sources in their ecosystem.
What is the most probable reason that the trilobite is not alive today?
A. Predators hunted the animal for food until they became extinct.
B. The increase in available mates prevented a single species from thriving.
C. The organism could not adapt to the environmental changes that were occurring.
D. Genetic diversity increased and prevented the organism from passing on its genes.
C. The organism could not adapt to the environmental changes that were occurring.
50
Jimmy is running laps during his physical education class. As he is running, he starts to breathe harder as his body tries to get more oxygen. Which of the following best explains why Jimmy's oxygen requirement increases?
A. His cells use oxygen as their primary source of energy.
B. His cells need oxygen to help them break down sugars for energy.
C. His cells need oxygen to increase the levels of sugars in the blood.
D. His cells use oxygen to transport substances across their cell membranes.
B. His cells need oxygen to help them break down sugars for energy.