MCQ in Biological Science Part 10 | Licensure Exam for Teachers Review

This is the MCQ LET Reviewer, Multiple Choice Questions in Biological Science Part 10 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 10 of the Series

⇐ MCQ in Biological Science Part 9 | Licensure Exam for Teachers Review

Choose the letter of the best answer in each question.

451. What is the primary function of the small intestine?

A. Absorb water

B. Digest food

C. Absorb nutrients

D. Store waste

452. Which part of the brain controls emotions and memory?

A. Cerebellum

B. Cerebrum

C. Hippocampus

D. Brainstem

453. Which gland is known as the “master gland” of the body?

A. Thyroid

B. Adrenal

C. Pituitary

D. Pineal

454. Which organ is responsible for sperm production in males?

A. Penis

B. Testes

C. Prostate

D. Scrotum

455. What is the largest cell in the human body?

A. Red blood cell

B. White blood cell

C. Female ovum

D. Neuron

456. What is the smallest cell in the human body?

A. Red blood cell

B. White blood cell

C. Sperm

D. Platelet

457. What type of graph is used to represent percentages?

A. Line graph

B. Bar graph

C. Pie chart

D. Histogram

458. Which graph is best for showing trends over time?

A. Pie chart

B. Line graph

C. Bar graph

D. Scatter plot

459. What is the largest organ in the human body?

A. Liver

B. Skin

C. Lungs

D. Brain

460. Which organ is known as the “blood bank” of the body?

A. Liver

B. Kidney

C. Spleen

D. Pancreas

461. Which blood component is responsible for clotting?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma

462. Which type of white blood cell is the largest?

A. Lymphocyte

B. Monocyte

C. Neutrophil

D. Basophil

463. Where are red blood cells produced?

A. Liver

B. Spleen

C. Bone marrow

D. Kidney

464. Which enzyme in the saliva helps break down starch?

A. Pepsin

B. Trypsin

C. Amylase

D. Lipase

465. Which part of the digestive system absorbs water?

A. Stomach

B. Small intestine

C. Large intestine

D. Pancreas

466. Which organ is responsible for gas exchange?

A. Trachea

B. Bronchi

C. Lungs

D. Diaphragm

467. Which muscle helps in breathing?

A. Diaphragm

B. Heart

C. Liver

D. Kidney

468. What is the total number of ribs in a human body?

A. 20

B. 22

C. 24

D. 26

469. How many bones are there in the human skull?

A. 14

B. 18

C. 22

D. 26

470. Which gland regulates metabolism?

A. Pituitary

B. Thyroid

C. Adrenal

D. Pancreas

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

A. Cerebrum

B. Brainstem

C. Cerebellum

D. Hypothalamus

472. What is the functional unit of the kidney?

A. Neuron

B. Alveoli

C. Nephron

D. Osteon

473. What waste product is removed by the kidneys?

A. Oxygen

B. Carbon dioxide

C. Urea

D. Glucose

474. Which organ produces eggs in females?

A. Uterus

B. Ovary

C. Fallopian tube

D. Vagina

475. What is the primary function of white blood cells?

A. Carry oxygen

B. Digest food

C. Fight infections

D. Store energy

476. Which vitamin is produced by the skin when exposed to sunlight?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

477. What is the main function of hemoglobin in the blood?

A. Store energy

B. Transport oxygen

C. Absorb nutrients

D. Regulate temperature

478. Which blood vessel carries oxygenated blood from the lungs to the heart?

A. Pulmonary artery

B. Pulmonary vein

C. Aorta

D. Coronary artery

479. Which organ detoxifies harmful substances in the body?

A. Kidney

B. Liver

C. Spleen

D. Pancreas

480. Which blood cell does not have a nucleus?

A. Red blood cell

B. White blood cell

C. Platelet

D. Lymphocyte

481. Which blood vessel carries deoxygenated blood from the body back to the heart?

A. Aorta

B. Pulmonary vein

C. Vena cava

D. Coronary artery

482. What is the function of the pericardium?

A. Pumps blood

B. Protects the heart

C. Controls blood pressure

D. Generates electrical impulses

483. Which organ stores and concentrates bile?

A. Stomach

B. Liver

C. Gallbladder

D. Pancreas

484. Which part of the digestive system absorbs nutrients?

A. Esophagus

B. Stomach

C. Small intestine

D. Large intestine

485. Which structure prevents food from entering the windpipe?

A. Trachea

B. Epiglottis

C. Esophagus

D. Larynx

486. What is the main function of alveoli in the lungs?

A. Produce mucus

B. Exchange gases

C. Transport blood

D. Filter air

487. Which type of muscle is involuntary and found in internal organs?

A. Skeletal

B. Cardiac

C. Smooth

D. Voluntary

488. Which mineral is essential for bone strength?

A. Iron

B. Potassium

C. Calcium

D. Sodium

489. Which gland is known as the “master gland”?

A. Thyroid

B. Adrenal

C. Pituitary

D. Pancreas

490. Which part of the brain controls body temperature, hunger, and thirst?

A. Cerebellum

B. Hypothalamus

C. Medulla oblongata

D. Cerebrum

491. Which organ filters waste from the blood?

A. Liver

B. Kidney

C. Lungs

D. Pancreas

492. What is the functional unit of the kidney?

A. Nephron

B. Alveoli

C. Neuron

D. Osteon

493. Which hormone is responsible for female secondary sexual characteristics?

A. Testosterone

B. Estrogen

C. Insulin

D. Adrenaline

494. Where does the fertilization of an egg usually occur?

A. Ovary

B. Uterus

C. Fallopian tube

D. Vagina

495. Which component of blood is responsible for immunity?

A. Red blood cells

B. Platelets

C. White blood cells

D. Plasma

496. Which vitamin helps in blood clotting?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin K

497. Which type of blood vessel carries blood away from the heart?

A. Veins

B. Capillaries

C. Arteries

D. Vena cava

498. What is the main function of the pancreas?

A. Produce insulin

B. Store bile

C. Filter toxins

D. Regulate body temperature

499. Which part of the nervous system controls involuntary actions like heartbeat and digestion?

A. Somatic nervous system

B. Autonomic nervous system

C. Central nervous system

D. Peripheral nervous system

500. Which organ stores extra glucose as glycogen?

A. Stomach

B. Liver

C. Kidney

D. Pancreas

LET REVIEW MATERIALS