Boilogy Flashcards
(29 cards)
What is the process by which plants convert sunlight into chemical energy?
Photosynthesis
True or False: Photosynthesis occurs in the chloroplasts of plant cells.
True
What is the main purpose of plant reproduction?
To produce offspring and ensure species survival
Multiple Choice: Which part of the flower is responsible for producing pollen? A) Stigma B) Anther C) Ovary D) Sepal
B) Anther
True or False: Pollination can occur through wind, water, or animals.
True
What is the role of the ovule in plant reproduction?
It develops into a seed after fertilization.
What is the primary function of the respiratory system in humans?
To facilitate gas exchange, specifically oxygen intake and carbon dioxide removal.
Fill in the blank: The _____ is the main organ responsible for pumping blood in the human body.
heart
Multiple Choice: Which gas do humans inhale during respiration? A) Carbon dioxide B) Nitrogen C) Oxygen D) Helium
C) Oxygen
What is gas exchange?
The process of exchanging oxygen and carbon dioxide between the body and the environment.
True or False: The diaphragm is a muscle that helps in the process of breathing.
True
What is the function of red blood cells in the circulatory system?
To transport oxygen from the lungs to the body’s tissues and carbon dioxide from the tissues back to the lungs.
Fill in the blank: The _____ system is responsible for transporting nutrients and oxygen to cells.
circulatory
Multiple Choice: What is the main waste product of cellular respiration? A) Water B) Glucose C) Carbon dioxide D) Oxygen
C) Carbon dioxide
What is the difference between aerobic and anaerobic respiration?
Aerobic respiration requires oxygen, while anaerobic respiration does not.
True or False: Respiration and breathing are the same process.
False
What is the role of alveoli in the lungs?
To facilitate the exchange of oxygen and carbon dioxide.
Fill in the blank: The _____ is a muscular organ that pumps blood throughout the body.
heart
What are the four chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
Multiple Choice: Which blood vessels carry oxygenated blood away from the heart? A) Veins B) Arteries C) Capillaries D) Lymphatic vessels
B) Arteries
True or False: The heart has its own electrical system to regulate its beating.
True
What is puberty?
Puberty is the developmental period during which individuals undergo physical and hormonal changes leading to sexual maturity.
Fill in the blank: The average age for girls to start puberty is around _____ years old.
10 to 12
What are two physical changes that occur in girls during puberty?
Development of breasts and the onset of menstruation.