Which part of the plant transports water from roots to leaves?
a) Phloem
b) Xylem
c) Petal
d) Leaf
✅Answer: b) Xylem
What kind of symmetry does a starfish have?
a) Bilateral
b) Radial
c) Asymmetrical
d) Spiral
✅ Answer: b) Radial
What layer of Earth is made mostly of solid rock and is just below the crust?
a) Mantle
b) Outer core
c) Inner core
d) Lithosphere
✅ Answer: a) Mantle
Which organ removes waste from the blood?
a) Liver
b) Kidney
c) Heart
d) Lungs
✅ Answer: b) Kidney
Which of these is a physical change?
a) Burning paper
b) Melting ice
c) Rusting iron
d) Cooking an egg
✅ Answer: b) Melting ice
What type of plant lives for more than two years?
a) Annual
b) Biennial
c) Perennial
d) Deciduous
✅ Answer: Answer: c) Perennial
Which of these animals is a monotreme?
a) Kangaroo
b) Platypus
c) Dolphin
d) Lion
✅ Answer: b) Platypus
Which natural phenomenon is measured by the Richter scale?
a) Tornado
b) Earthquake
c) Tsunami
d) Volcano
✅ Answer: b) Earthquake
What is the smallest bone in the human body?
a) Femur
b) Stapes
c) Tibia
d) Radius
✅ Answer: b) Stapes
Which form of energy is stored in a stretched rubber band?
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Chemical energy
✅ Answer: b) Potential energy
What is the name of the small openings on a leaf that allow gas exchange?
a) Stomata
b) Veins
c) Chloroplasts
d) Petiole
✅ Answer: a) Stomata
What is the function of gills in fish?
a) To swim
b) To breathe underwater
c) To catch food
d) To protect from predators
✅ Answer: b) To breathe underwater
Which type of rock forms from heat and pressure?
a) Igneous
b) Sedimentary
c) Metamorphic
d) Fossil
✅ Answer: c) Metamorphic
Which system controls the body using hormones?
a) Nervous system
b) Digestive system
c) Endocrine system
d) Circulatory system
✅ Answer: c) Endocrine system
What type of mixture is sand mixed with water?
a) Homogeneous
b) Heterogeneous
c) Solution
d) Colloid
✅ Answer: b) Heterogeneous
Which part of a seed develops into the root?
a) Embryo
b) Cotyledon
c) Seed coat
d) Plumule
✅ Answer: a) Embryo
Which type of animal lays the largest eggs in the world?
a) Chicken
b) Ostrich
c) Turtle
d) Crocodile
✅ Answer: b) Ostrich
What process forms clouds in the water cycle?
a) Condensation
b) Evaporation
c) Precipitation
d) Transpiration
✅ Answer: a) Condensation
What type of joint allows the most movement?
a) Hinge
b) Ball-and-socket
c) Pivot
d) Fixed
✅ Answer: b) Ball-and-socket
What is the measure of the amount of matter in an object?
a) Mass
b) Weight
c) Volume
d) Density
✅ Answer: a) Mass
What process allows water to move from roots to leaves against gravity?
a) Photosynthesis
b) Capillary action
c) Respiration
d) Transpiration
✅ Answer: b) Capillary action
What adaptation helps desert animals survive extreme heat?
a) Thick fur
b) Large ears and ability to store water
c) Webbed feet
d) Bright colors
✅ Answer: b) Large ears and ability to store water
What causes seasons on Earth?
a) Moon’s orbit
b) Earth’s tilt and orbit around the Sun
c) Ocean currents
d) Earth’s rotation speed
✅ Answer: b) Earth’s tilt and orbit around the Sun
What blood type is known as the universal donor?
a) A
b) B
c) O negative
d) AB positive
✅ Answer: c) O negative
Which law states that for every action, there is an equal and opposite reaction?
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation of Energy
✅ Answer: c) Newton’s Third Law