Biology JLab SOL Review 2024/2025
Exam Questions and Verified Answers |
Already Graded A+
Scientists are using genetic engineering to develop a wheat crop that is
resistant to a particular kind of moth. How would they determine if the
plants are moth-resistant? - 🧠ANSWER ✔✔Monitor moth populations in
fields planted
with test and normal wheat.
Which of these is a decomposer in a Virginia forest? - 🧠ANSWER ✔✔A
mushroom
Students in a biology class thought that salt water would affect the
movements of planaria. They put 25 planaria in salt water and recorded
their observations. Which flaw was present in the design of their
experiment? - 🧠ANSWER ✔✔There was no control
Unlike plants, fungi cannot make their own food because they do not have -
- 🧠ANSWER ✔✔chlorophyll
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,A biology student collected pine needles from four different species of
trees. She then made diagrams showing the number and actual length of
needles in a bundle and the common and scientific name of each species.
Use her diagram above to help you answer the following question. These
four different pine trees are not classified in the same - - 🧠ANSWER
✔✔Species
Which feature do viruses have in common with animal cells? - 🧠ANSWER
✔✔Presence of a genetic code in nucleic acid
Gametes must be haploid because - 🧠ANSWER ✔✔two gametes will unite
during fertilization to create a diploid cell
The study of embryos and other early stages of development can help in
the classification of living things, past and present, by providing clues about
the - - 🧠ANSWER ✔✔common ancestry among vertebrate species
An insect called the hemlock woolly adelgid was introduced to a Virginia
forest ecosystem. This pest feeds on the nutrients stored inside a hemlock
tree, resulting in the death of the tree. Which kind of data would best help a
student evaluate the effect of this insect? - 🧠ANSWER ✔✔Information
about the ecosystems characteristics
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,before the adelgid infestation
Which of these supports the cell theory as it is stated today? - 🧠ANSWER
✔✔New cells are produced by division of existing cells.
What did Rosalind Franklin contribute to the understanding of DNA
molecules? - 🧠ANSWER ✔✔An image indicating the shape of a DNA
molecule
When an animal eats, food stays in the stomach for a period of time. When
a unicellular organism, such as Paramecium, takes in food, the food is
contained in which organelle? - 🧠ANSWER ✔✔Vacuole
Over many generations, unrelated or distantly related species may come to
resemble each other due to - - 🧠ANSWER ✔✔similar environmental factors
Unknown animal: Met-Gly-Ser-Tyr-Tyr-Arg-His-His-Glu-Lys-Asp
One method of determining the classification of an animal is by comparing
the amino acid sequence. Which of these animals most closely resembles
the unknown animal? - 🧠ANSWER ✔✔Dog: Met-Gly-Ser-Tyr-Tyr-Arg-His-
Asp-Glu-Lys-Asp
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, What ratio of the offspring from the cross shown will be homozygous
recessive for the trait of tallness? - 🧠ANSWER ✔✔0 in 4
Which of these is capable of moving quickly in response to its
environment? - 🧠ANSWER ✔✔Paramecium
Which of the following macromolecules are a prominent part of animal
tissues that function in insulation, helping animals conserve heat? -
🧠ANSWER ✔✔Lipids
The reduction of the chromosome number during meiosis is most important
for - - 🧠ANSWER ✔✔maintaining the chromosome number during sexual
reproduction
The above diagram shows the process of osmosis. Only the water
molecules could enter the cell because water molecules - - 🧠ANSWER
✔✔are smaller than the protein molecules
Charles Darwin proposed his theory of evolution based on observations of
nature. Which observation that contributed to his theory is illustrated by this
population of beetles? - 🧠ANSWER ✔✔Individuals within a population may
vary widely
4
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Verified Answers |
Already Graded A+
Scientists are using genetic engineering to develop a wheat crop that is
resistant to a particular kind of moth. How would they determine if the
plants are moth-resistant? - 🧠ANSWER ✔✔Monitor moth populations in
fields planted
with test and normal wheat.
Which of these is a decomposer in a Virginia forest? - 🧠ANSWER ✔✔A
mushroom
Students in a biology class thought that salt water would affect the
movements of planaria. They put 25 planaria in salt water and recorded
their observations. Which flaw was present in the design of their
experiment? - 🧠ANSWER ✔✔There was no control
Unlike plants, fungi cannot make their own food because they do not have -
- 🧠ANSWER ✔✔chlorophyll
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,A biology student collected pine needles from four different species of
trees. She then made diagrams showing the number and actual length of
needles in a bundle and the common and scientific name of each species.
Use her diagram above to help you answer the following question. These
four different pine trees are not classified in the same - - 🧠ANSWER
✔✔Species
Which feature do viruses have in common with animal cells? - 🧠ANSWER
✔✔Presence of a genetic code in nucleic acid
Gametes must be haploid because - 🧠ANSWER ✔✔two gametes will unite
during fertilization to create a diploid cell
The study of embryos and other early stages of development can help in
the classification of living things, past and present, by providing clues about
the - - 🧠ANSWER ✔✔common ancestry among vertebrate species
An insect called the hemlock woolly adelgid was introduced to a Virginia
forest ecosystem. This pest feeds on the nutrients stored inside a hemlock
tree, resulting in the death of the tree. Which kind of data would best help a
student evaluate the effect of this insect? - 🧠ANSWER ✔✔Information
about the ecosystems characteristics
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,before the adelgid infestation
Which of these supports the cell theory as it is stated today? - 🧠ANSWER
✔✔New cells are produced by division of existing cells.
What did Rosalind Franklin contribute to the understanding of DNA
molecules? - 🧠ANSWER ✔✔An image indicating the shape of a DNA
molecule
When an animal eats, food stays in the stomach for a period of time. When
a unicellular organism, such as Paramecium, takes in food, the food is
contained in which organelle? - 🧠ANSWER ✔✔Vacuole
Over many generations, unrelated or distantly related species may come to
resemble each other due to - - 🧠ANSWER ✔✔similar environmental factors
Unknown animal: Met-Gly-Ser-Tyr-Tyr-Arg-His-His-Glu-Lys-Asp
One method of determining the classification of an animal is by comparing
the amino acid sequence. Which of these animals most closely resembles
the unknown animal? - 🧠ANSWER ✔✔Dog: Met-Gly-Ser-Tyr-Tyr-Arg-His-
Asp-Glu-Lys-Asp
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, What ratio of the offspring from the cross shown will be homozygous
recessive for the trait of tallness? - 🧠ANSWER ✔✔0 in 4
Which of these is capable of moving quickly in response to its
environment? - 🧠ANSWER ✔✔Paramecium
Which of the following macromolecules are a prominent part of animal
tissues that function in insulation, helping animals conserve heat? -
🧠ANSWER ✔✔Lipids
The reduction of the chromosome number during meiosis is most important
for - - 🧠ANSWER ✔✔maintaining the chromosome number during sexual
reproduction
The above diagram shows the process of osmosis. Only the water
molecules could enter the cell because water molecules - - 🧠ANSWER
✔✔are smaller than the protein molecules
Charles Darwin proposed his theory of evolution based on observations of
nature. Which observation that contributed to his theory is illustrated by this
population of beetles? - 🧠ANSWER ✔✔Individuals within a population may
vary widely
4
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
