MCQ in Biological Science Part 4 | Licensure Exam for Teachers Review

This is the MCQ LET Reviewer, Multiple Choice Questions in Biological Science Part 4 as one coverage of Licensure Examinations for Teachers (LET). The exam is divided into two classifications. First is the elementary level exam which covers topics from General Education (GenEd) 40% and Professional Education (ProfEd) 60%. Second is the secondary level, which covers GenEd 20%, ProfEd 40% and area of specialization 40%. I assume you are looking for a reviewer that will help you achieve your goal to become a professional licensed teacher very soon. Yes, you are in the right place to make your dream come true. Make sure to familiarize each and every question to increase the chance of passing the Licensure Examinations for Teachers (LET).

Area of Specialization Coverage

Area of specialization refers to the majorship or the specific field that BSED graduates will handle:

• ENGLISH
• BIOLOGY
• CHEMISTRY
• VALUES
• MATH
• FILIPINO
• SOCIAL STUDIES
• MUSIC, ART, PHYSICAL EDUCATION, and HEALTH or MAPEH
• TECHNOLOGY and LIVELIHOOD EDUCATION
• AGRICULTURE AND FISHERY ARTS

Continue Practice Exam Test Questions Part 4 of the Series

⇐ MCQ in Biological Science Part 3 | Licensure Exam for Teachers Review

Choose the letter of the best answer in each question.

151. Which of the following is an example of a chemical change?

A. Melting of ice

B. Dissolving salt in water

C. Rusting of iron

D. Boiling of water

152. Which of the following elements is a noble gas?

A. Nitrogen

B. Oxygen

C. Argon

D. Hydrogen

153. Which of the following types of bonds involves the sharing of electrons?

A. Ionic bonds

B. Covalent bonds

C. Hydrogen bonds

D. Metallic bonds

154. Which of the following organisms performs photosynthesis?

A. Mushroom

B. Fish

C. Algae

D. Human

155. Which is the smallest unit of matter?

A. Molecule

B. Atom

C. Electron

D. Proton

156. What type of rock is formed from the cooling of molten magma?

A. Sedimentary

B. Metamorphic

C. Igneous

D. Limestone

157. Which organ in the human body produces insulin?

A. Heart

B. Liver

C. Pancreas

D. Kidney

158. What is the primary function of the circulatory system?

A. Digestion of food

B. Distribution of nutrients

C. Regulation of body temperature

D. Transport of gases, nutrients, and waste

159. Which of the following is a feature of a prokaryotic cell?

A. Presence of a nucleus

B. Presence of mitochondria

C. Lack of a nucleus

D. Presence of ribosomes

160. What term refers to the study of interactions between organisms and their environment?

A. Genetics

B. Ecology

C. Physiology

D. Biochemistry

161. Which of the following is an example of a homogenous mixture?

A. Salad

B. Sand and water

C. Air

D. Soil

162. What is the atomic number of carbon?

A. 6

B. 12

C. 14

D. 8

163. Which part of the plant is responsible for producing seeds?

A. Root

B. Stem

C. Flower

D. Leaf

164. What is the role of chlorophyll in photosynthesis?

A. To absorb water

B. To absorb sunlight

C. To produce oxygen

D. To transport glucose

165. Which of the following is a renewable source of energy?

A. Coal

B. Natural gas

C. Solar energy

D. Petroleum

166. What is the primary function of the ribosome?

A. Synthesizing proteins

B. Synthesizing DNA

C. Synthesizing lipids

D. Synthesizing RNA

167. What does the theory of natural selection explain?

A. How new species are formed

B. How organisms evolve over time due to environmental pressures

C. How mutations occur

D. How organisms adapt through behavior

168. Which of the following is responsible for carrying oxygen in the blood?

A. Platelets

B. White blood cells

C. Hemoglobin

D. Plasma

169. What is the function of the vacuole in a plant cell?

A. Protein synthesis

B. Storing water and nutrients

C. Producing energy

D. Transporting molecules

170. Which of the following is an example of a multicellular organism?

A. Bacterium

B. Amoeba

C. Frog

D. Virus

171. What is the primary component of a cell’s plasma membrane?

A. Proteins

B. Carbohydrates

C. Phospholipids

D. Nucleic acids

172. What is the primary function of the large intestine in digestion?

A. Absorption of nutrients

B. Absorption of water

C. Digestion of proteins

D. Secretion of enzymes

173. What term describes the process of converting glucose into energy in the presence of oxygen?

A. Photosynthesis

B. Cellular respiration

C. Fermentation

D. Transpiration

174. Which of the following is an example of an herbivore?

A. Wolf

B. Cow

C. Lion

D. Hawk

175. Which of the following molecules stores genetic information in cells?

A. Carbohydrates

B. Proteins

C. Lipids

D. DNA

176. Which of the following organs is responsible for detoxifying harmful substances in the body?

A. Heart

B. Lungs

C. Kidneys

D. Liver

177. Which of the following is a type of asexual reproduction?

A. Budding

B. Pollination

C. Fertilization

D. Copulation

178. What is the most abundant gas in Earth’s atmosphere?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Argon

179. Which of the following is NOT a part of the human digestive system?

A. Stomach

B. Pancreas

C. Kidneys

D. Small intestine

180. Which of the following is true about enzymes?

A. They speed up chemical reactions

B. They are consumed in the reactions they catalyze

C. They are only active at high temperatures

D. They require energy to be produced

181. What is the role of white blood cells?

A. Carrying oxygen

B. Clotting blood

C. Fighting infections

D. Carrying nutrients

182. Which type of electromagnetic radiation has the longest wavelength?

A. Gamma rays

B. X-rays

C. Ultraviolet light

D. Radio waves

183. What is the term for a solution with a pH less than 7?

A. Neutral

B. Acidic

C. Basic

D. Alkaline

184. Which part of the brain controls balance and coordination?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Thalamus

185. What is the primary role of the mitochondria?

A. Protein synthesis

B. Energy production

C. Transporting materials

D. DNA replication

186. What is the smallest unit of a compound?

A. Atom

B. Molecule

C. Proton

D. Neutron

187. What is the process of converting light energy into chemical energy in plants called?

A. Respiration

B. Photosynthesis

C. Fermentation

D. Transpiration

188. Which of the following is a characteristic of living organisms?

A. Ability to move

B. Ability to reproduce

C. Ability to produce sound

D. Ability to fly

189. Which of the following best defines an ecosystem?

A. A group of the same species in a particular area

B. A community of organisms interacting with their environment

C. A population of organisms of different species

D. A community of organisms living in isolation

190. Which of the following is a characteristic of all mammals?

A. Lay eggs

B. Have feathers

C. Have fur or hair

D. Have scales

191. Which of the following structures is involved in protein synthesis?

A. Nucleus

B. Ribosome

C. Mitochondria

D. Lysosome

192. What is the process by which cells divide to produce gametes?

A. Mitosis

B. Meiosis

C. Binary fission

D. Budding

193. Which of the following is an example of a vertebrate?

A. Worm

B. Fish

C. Insect

D. Jellyfish

194. What is the main function of the immune system?

A. Transport nutrients

B. Fight off infections

C. Store energy

D. Regulate body temperature

195. Which of the following is an example of a nonrenewable resource?

A. Solar energy

B. Wind energy

C. Coal

D. Geothermal energy

196. What is the most common form of energy used by living organisms?

A. Heat energy

B. Light energy

C. Chemical energy

D. Electrical energy

197. What is the primary function of the roots in plants?

A. To absorb water and minerals

B. To carry out photosynthesis

C. To produce flowers

D. To store food

198. Which of the following is the correct order of biological classification from broadest to most specific?

A. Kingdom, Phylum, Class, Order, Family, Genus, Species

B. Species, Genus, Family, Order, Class, Phylum, Kingdom

C. Kingdom, Class, Phylum, Order, Family, Genus, Species

D. Phylum, Kingdom, Class, Family, Order, Genus, Species

199. Which of the following is true about the Earth’s atmosphere?

A. It is composed mostly of oxygen

B. It contains no water vapor

C. It provides the necessary gases for life

D. It is composed only of nitrogen

200. Which of the following is the main function of the root system in plants?

A. Photosynthesis

B. Transport of water and nutrients

C. Reproduction

D. Protection from herbivores

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