BIOLOGY
which visible light is less effective for the photosynthesis
Green
How many elements are in the periodic table?
118
What is the SI unit of frequency?
Hertz/Hz
Which part of the brain controls balance and coordination?
Cerebellum
What is the fastest land animal?
cheetah (ghepard)
Which organelle produce lipids in a cell?
Smooth endoplasmic reticulum (reticul endoplasmatic neted)
Which compound is the active ingredient in many painkillers?
Acetylsalicylic acid (aspirin)
If Earth’s gravity suddenly became weaker by 50%, what would happen to the period of a pendulum clock?
Increases
How many spinal nerves are there in human body
31 pairs
What is the capital city of Australia?
Canberra
What would happen to a cell if its lysosomes burst open?
The cell will digest itself, leading to self-destruction
Which substance is used to make soap from fats?
Sodium hydroxide (NaOH)
If Earth suddenly turned into a giant trampoline for 10 seconds, what kind of motion would people experience as they bounced up and down?
Simple Harmonic Motion
A soft, highly vascular organ located in the upper left portion of the abdominal cavity, it acts as a blood filter
spleen (splină)
Which country has the most natural lakes in the world?
Canada
What is the primary source of a plant mass?
Carbon dioxide (CO2)
What reaction breaks proteins into amino acids during digestion?
Hydrolysis
A wizard casts a spell so a pendulum can swing forever without losing energy. What must disappear for this to happen?
Friction/Air Resistance
List 11 major human body systems
Integumentary system (Sistemul tegumentar)
Skeletal system (S.osos)
Muscular system (S. muscular)
Nervous system (S. nervos)
Endocrine system (Sistemul endocrin)
Cardiovascular system (sistemul cardiovascular)
Lymphatic / Immune system
Respiratory system (S.respirator)
Digestive system (S.digestiv)
Urinary system (S.urinar)
Reproductive system (S.reproducător)
Which planet has the strongest gravity in our Solar System?
Jupiter
which mammal do not have stomach
platypus
What reaction forms aldehydes from primary alcohols?
Oxidation
What is the upper threshold of hearing?
20000Hz/20kHz
What is the smallest organ in the human body?
pineal gland (glanda pineală)
Which city in the world has the largest population of native French speakers?
Kinshasa (DR Congo)