Biology Excretory System Worksheet Long & Short Questions

Grade 10th chapter 9 Excretory system Biology worksheet Name the following 1. Organ that detoxifies ammonia 2. Organ that eliminates Excess salts 3. Structural and functional unit of kidney 4. Muscle that regulates opening and closing of urethra 5. Organ that store urine temporarily 6. Part of nephron lying inside cortex region of kidney 7. Tuft of blood capillaries inside Bowmans capsule 8. Striped region of the kidney 9. U shaped tubular parts of nephron 10. Blood vessels carries blood to kidney for filtration Question answers 1. Define ultrafiltration. How high pressure is created for ultrafiltration 2. Differentiate between afferent and efferent artery 3. Why cortex region of kidney appears dotted and medulla region appears striped. 4. Why excretion is necessary for our body 5. Name various excretory organ and enlist the various products they eliminates from the body. 6. Expand PCT and DCT. Why they are called convoluted