Biology gcse combined science paper 1 predicted questions Flashcards
(40 cards)
What is the basic unit of life?
Cell
True or False: All organisms are made up of one or more cells.
True
Fill in the blank: The process by which plants make their own food is called __________.
Photosynthesis
What organelle is responsible for energy production in cells?
Mitochondria
Which part of the plant is primarily responsible for water absorption?
Roots
What is the role of chlorophyll in plants?
To absorb light energy for photosynthesis
Multiple Choice: Which of the following is NOT a type of tissue in animals? A) Epithelial B) Connective C) Chloroplast D) Muscle
C) Chloroplast
What process do cells undergo to divide and reproduce?
Mitosis
True or False: DNA is found in the nucleus of eukaryotic cells.
True
Fill in the blank: The __________ is the control center of the cell.
Nucleus
What is the primary function of red blood cells?
To transport oxygen
Multiple Choice: Which type of blood vessel carries blood away from the heart? A) Veins B) Arteries C) Capillaries D) None of the above
B) Arteries
What is the function of the stomata in leaves?
To allow gas exchange
True or False: Enzymes are proteins that speed up chemical reactions.
True
What is the pH range of acidic solutions?
Below 7
Multiple Choice: Which of the following is a product of photosynthesis? A) Oxygen B) Carbon Dioxide C) Glucose D) Both A and C
D) Both A and C
Fill in the blank: The __________ system is responsible for transporting nutrients and oxygen throughout the body.
Circulatory
What is the main function of the immune system?
To protect the body from pathogens
True or False: The heart has four chambers.
True
What is the role of the ribosomes in a cell?
To synthesize proteins
Multiple Choice: Which molecule carries genetic information? A) RNA B) DNA C) Protein D) Lipid
B) DNA
Fill in the blank: __________ are the building blocks of proteins.
Amino acids
What is homeostasis?
The maintenance of a stable internal environment
True or False: All living organisms can reproduce.
True