Science Reviewer: Digestive, Plant, Genetics, and Atomic Systems

Science

A comprehensive review covering the human digestive system, plant transport and photosynthesis, genetic inheritance patterns, biological classification, and atomic structure.

Biology Chemistry Genetics

10 Questions Medium Ages 13+ Aug 31, 2026

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About this Study Set

This study set covers Science through 10 practice questions. A comprehensive review covering the human digestive system, plant transport and photosynthesis, genetic inheritance patterns, biological classification, and atomic structure. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Science Reviewer: Digestive, Plant, Genetics, and Atomic Systems study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which organ produces bile to help break down fats?

A Pancreas
B Liver
C Stomach
D Gallbladder

2 What is the primary function of the xylem in plants?

A Carries water and minerals upward
B Carries sugars to all parts
C Controls gas exchange
D Stores energy

3 Where does photosynthesis primarily take place in a plant cell?

A Mitochondria
B Nucleus
C Chloroplast
D Ribosome

4 What is the chemical equation product of cellular respiration?

A Glucose + Oxygen
B Sunlight + Water
C Carbon dioxide + Water + Energy
D Starch

5 If a parent with genotype Dd crosses with Dd, what is the probability of a child having no dimples (dd)?

A 0%
B 25%
C 50%
D 75%

6 Which kingdom is characterized by organisms that are multicellular, ingestive heterotrophs?

A Plantae
B Fungi
C Protista
D Animalia

7 Which scientist discovered the electron using cathode rays?

A John Dalton
B J.J. Thomson
C Niels Bohr
D Ernest Rutherford

8 What particles are located in the nucleus of an atom?

A Protons and Electrons
B Electrons and Neutrons
C Protons and Neutrons
D Only Protons

9 What do we call atoms of the same element with different neutron counts?

A Ions
B Isotopes
C Molecules
D Compounds

10 In a neutral atom, the number of electrons is equal to the number of:

A Neutrons
B Protons
C Atomic mass
D Shells

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