BLEPT Reviewer 10 - Biological Science

BLEPT Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. What is the basic unit of life?

A) Cell
B) Tissue
C) Atom
D) Organ

2. Which organelle is known as the "powerhouse" of the cell?

A) Nucleus
B) Ribosome
C) Mitochondrion
D) Lysosome

3. Which biomolecule is the main source of energy for most living organisms?

A) Carbohydrates
B) Proteins
C) Lipids
D) Nucleic acids

4. In genetics, what does DNA stand for?

A) Deoxyribonucleic acid
B) Deoxyribose amino acid
C) Dextrorotatory nucleic acid
D) Double nucleotide array

5. What is the primary function of red blood cells?

A) Fight infection
B) Transport oxygen
C) Produce hormones
D) Digest food

6. Which part of the plant is responsible for photosynthesis?

A) Roots
B) Stem
C) Leaves
D) Flowers

7. What pigment in plants captures light energy for photosynthesis?

A) Chlorophyll
B) Hemoglobin
C) Carotene
D) Xanthophyll

8. What is the term for organisms that make their own food?

A) Autotrophs
B) Heterotrophs
C) Parasites
D) Decomposers

9. Which human body system regulates hormones?

A) Nervous system
B) Endocrine system
C) Circulatory system
D) Respiratory system

10. Which gas is absorbed by plants during photosynthesis?

A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen

11. Which part of the brain is responsible for coordination and balance?

A) Cerebrum
B) Cerebellum
C) Medulla
D) Thalamus

12. What type of blood vessel carries blood away from the heart?

A) Arteries
B) Veins
C) Capillaries
D) Valves

13. What is the function of white blood cells?

A) Fight infections
B) Carry oxygen
C) Clot blood
D) Store nutrients

14. What organ in the human body produces insulin?

A) Pancreas
B) Liver
C) Kidney
D) Gall bladder

15. What is the process by which green plants make their own food?

A) Photosynthesis
B) Respiration
C) Fermentation
D) Transpiration

16. What is the longest bone in the human body?

A) Humerus
B) Femur
C) Tibia
D) Radius

17. Which of the following is not a component of the cell theory?

A) All living things are made of cells.
B) All cells are immortal.
C) Cells arise from pre-existing cells.
D) The cell is the basic unit of life.

18. What type of organism breaks down dead organisms and recycles nutrients?

A) Herbivores
B) Producers
C) Decomposers
D) Predators

19. What part of the cell contains the genetic material?

A) Nucleus
B) Cytoplasm
C) Cell membrane
D) Golgi apparatus

20. Which group of animals is cold-blooded and lays eggs?

A) Mammals
B) Reptiles
C) Birds
D) Amphibians

21. What is the function of the large intestine?

A) Absorb water and form feces
B) Digest fats
C) Produce bile
D) Store enzymes

22. What is the male reproductive cell called?

A) Sperm
B) Egg
C) Zygote
D) Ovum

23. Which of the following is a genetic disorder?

A) Down syndrome
B) Influenza
C) Malaria
D) Tuberculosis

24. What type of muscle is found in the heart?

A) Cardiac muscle
B) Skeletal muscle
C) Smooth muscle
D) Voluntary muscle

25. What is the role of the ribosome in a cell?

A) DNA replication
B) Protein synthesis
C) ATP production
D) Lipid storage

26. Which part of the plant absorbs water and minerals from the soil?

A) Stem
B) Leaf
C) Roots
D) Flower

27. Which vitamin is mainly produced in the skin in response to sunlight?

A) Vitamin A
B) Vitamin D
C) Vitamin B
D) Vitamin K

28. What is the scientific study of heredity?

A) Genetics
B) Ecology
C) Anatomy
D) Pathology

29. Which of the following kingdoms includes mushrooms?

A) Fungi
B) Plantae
C) Animalia
D) Protista

30. Which of the following is a renewable resource?

A) Coal
B) Natural gas
C) Petroleum
D) Solar energy

Result