Biology Mcqs 06
Which part of the body is affected by pneumonia? Liver Kidneys LungsHeartC) Lungs Pneumonia is an infection of the lungs.
What is the living part of xylem called?TracheidsVessels Xylem parenchymaFibersC) Xylem parenchymaXylem parenchyma is the only living part of xylem tissue.
What is the storage form of glucose in animals?StarchGlycogen CelluloseSucrose B) Glycogen Animals store glucose as glycogen, mainly in the liver and muscles.
Which blood cells fight against disease?Red blood cellsPlateletsWhite blood cellsPlasmaC) White blood cellsWBCs are key to the immune system, fighting infections.
What is the main source of energy for living beings? ProteinsFatsCarbohydratesVitaminsC) CarbohydratesCarbohydrates are the primary energy source in most diets.
What is the longest bone in the human body? TibiaFemurRadius Ulna B) FemurThe femur (thigh bone) is the longest and strongest bone.
What do we call animals that live both in water and on land?Aquatic Amphibians ReptilesMammals B) AmphibiansAmphibians like frogs live both on land and in water.
Which part of the brain maintains balance?CerebrumCerebellumMedullaThalamusB) Cerebellum The cerebellum controls balance and coordination.
What is the main function of platelets?Carry oxygenFight infections Help in blood clottingDigest foodC) Help in blood clotting: Platelets are essential for blood clotting.
What is the outermost layer of skin called?DermisEpidermisHypodermisEndodermisB) Epidermis The epidermis is the thin outer layer of skin.
Which gas do animals breathe in? Oxygen NitrogenCarbon dioxide HydrogenA) OxygenAnimals need oxygen for respiration.
What is the powerhouse of the cell?Nucleus RibosomeMitochondriaGolgi bodyC) Mitochondria: Mitochondria produce energy for the cell.
Which part of a plant conducts photosynthesis? RootsStemsLeavesFlowersC) Leaves Leaves contain chlorophyll and perform photosynthesis
What is the basic unit of life?TissueCell OrganOrgan systemB) CellThe cell is the smallest unit of life.
Which organ is responsible for pumping blood? Kidney Heart LungsLiverB) Heart The heart pumps blood to the entire body.