1) In many unicellular organisms, the waste products are removed by:- a) Diffusion b) Excretion 2) The cup-shaped structure inside the kidney that helps in the filtration of blood is called:- a) Glomerulus b) Bowman's capsule 3) Where do substances such as glucose, amino acid and water get reabsorbed from the filtrate? a) Nephron b) Glomerulus 4) Amount of urine produced by the body is dependent on the concentration of:- a) Water b) Glucose 5) The blood vessel with least wastes coming out of the Bowman's capsule is called:- a) renal portal vein b) renal vein 6) Which blood vessel brings oxygenated blood to kidney:- a) Renal artery b) Renal vein 7) The outer region of the kidney is called:- a) Medulla b) Cortex 8) A nephron is about:- a) 2.2 inches b) 2.3 inches 9) ODD ONE OUT a) Kidney b) Nephron c) Bladder 10) What is glomerulus? a) Cluster of arteries b) Cluster of capillaries

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