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Quizzes

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Exam:
40 quizzes
Two heterozygous tall pea plants are crossed, and 72 seedlings come up. About how many seedlings are expected to grow short? New
High School (9–10), General · Heredity and Inheritance
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Mira opens the pods of self-pollinated RrYy plants and gathers 48 peas. How many of these peas should she expect to be both green and wrinkled? New
High School (9–10), General · Heredity and Inheritance
NEET, Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
A TT pea plant is crossed with a Tt pea plant. What will the offspring look like? New
High School (9–10), General · Heredity and Inheritance
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
What does the appearance of round green seeds in the F2 of round yellow and wrinkled green parents show? New
High School (9–10), General · Heredity and Inheritance
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Why does the chromosome number of a species stay the same from parents to children? New
High School (9–10), General · Heredity and Inheritance
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
A hot spell warms a lake. A few fish of one kind survive while most of them die. What most likely saved the survivors? New
High School (9–10), General · Reproduction in Plants
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
After a sweet snack, the sugar in Joel's blood rises. What happens next in a healthy body? New
High School (9–10), General · Hormones and the Endocrine System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
How does a message get from one neuron to the next? New
High School (9–10), General · Nervous System and Sense Organs
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Easy
Fruit juice is left in a warm room for two days. It starts to fizz and smell of alcohol. Which process has taken place in it? New
High School (9–10), General · Respiration, Respiratory System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Easy
Manoj carries two full buckets of water up four floors. His arm muscles start to hurt. Which substance has built up in them? New
High School (9–10), General · Respiration, Respiratory System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Easy
Yeast can respire with or without oxygen. A yeast culture breaks down 11 glucose molecules in a sealed jar, and later 11 more in a flask full of air. How many more ATP does it get in the flask? (Take 38 and 2 ATP for each glucose.) New
High School (9–10), General · Respiration, Respiratory System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
A leaf is in sunlight from 6 a.m. to 6 p.m. and in the dark at night. Which graph shows the carbon dioxide it takes in over the 24 hours? New
High School (9–10), General · Respiration, Respiratory System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
What change of energy takes place in a chloroplast during photosynthesis? New
High School (9–10), General · Nutrition, Digestive System
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Easy
A diploid nucleus of a fungus has 24 chromosomes. How many chromosomes are in each spore made by its meiosis? New
High School (11–12) · Kingdom Fungi
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Which process can move mineral ions into a root hair cell from a lower concentration to a higher concentration? New
High School (9–10), General · Transport Across the Cell Membrane
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Where does the energy for active transport come from? New
High School (9–10), General · Transport Across the Cell Membrane
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Which of these cells has no nucleus with a membrane around it? New
High School (9–10), General · Cell Structure and Organelles
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
A cube shaped cell has a side of 4 µm. What is its ratio of surface area to volume? New
High School (9–10), General · Cell Structure and Organelles
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
An amoeba surrounds a food particle with its membrane and takes it in, inside a small bag. What is this called? New
High School (9–10), General · Cell Structure and Organelles
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
Which of these living things is made of prokaryotic cells? New
High School (9–10), General · Cell Structure and Organelles
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Medium
The contractile vacuole of a freshwater Amoeba
High School (11–12) · Kingdom Protista
Board Exam, AP, IB
StemPy LabStemPy Lab
Medium
A patch of coral reef has three kinds of fish, with 25, 15 and 10 individuals. What is Simpson's diversity index of the fish?
High School (9–10), General · Plant and Animal Kingdoms
AP, A-Level, IB
StemPy LabStemPy Lab
Hard
A hedge has 32 beetles of one species and 8 of another. What is Simpson's diversity index of the beetles?
High School (9–10), General · Classification of Living Organisms
AP, A-Level, IB
StemPy LabStemPy Lab
Medium
A field has 60 grasshoppers: 42 of one kind and 18 of another. What is their diversity index, by Simpson's formula?
High School (9–10), General · Classification of Living Organisms, Biodiversity and Nomenclature
AP, A-Level, IB
StemPy LabStemPy Lab
Hard
A red blood cell swells and then bursts in a liquid. Which liquid is it most likely to be?
High School (9–10), General · Transport Across the Cell Membrane
Board Exam, AP, A-Level, IB
StemPy LabStemPy Lab
Easy
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