Description : The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is an adaptation for
Last Answer : The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is ... of temperature D. Regulation of amino acids .
Description : The function of contractile vacuole, in protozoa, is (a) osmoregulation (b) reproduction (c) locomotion (d) digestion of food.
Last Answer : (a) osmoregulation
Description : The function of contractile vacuole a) Nutrition b) Reproduction c) Osmoregulation d) Locomotion
Last Answer : c) Osmoregulation
Description : Which of the following is an arachnid ectoparasite? a) Spider b) Scorpion c) Daphnia d) Tick 10. The function of contractile vacuole a) Nutrition b) Reproductionc) Osmoregulation d) Locomotion
Description : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through
Last Answer : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through A. Mouth and ... Mouth and body wall D. Mouth and tentacles.
Description : Sweat glands in mammals are primarily concerned with - (1) removal of excess salts (2) excretion of nitrogenous wastes (3) therrnoregulation (4) sex-attraction
Last Answer : (3) therrnoregulation Explanation: Sweat glands, or sudoriferous glands, are small tubular structures of the skin that produce sweat. The cause of sweating and body odor stems from our body's ... and balances our body fluids and electrolytes, chemicals in our body such as sodium and calcium.
Description : Sweat glands in mammals are primarily concerned with (1) removal of excess salts (2) excretion of nitrogenous wastes (3) thermoregulation (4) sex-attraction
Last Answer : thermoregulation
Description : Which one assists in locomotion? (a) Trichocysts in Paramecium (b) Pedicellariae of starfish (c) Clitellum in Pheretima (d) Posterior sucker in Hirudinaria
Last Answer : (d) Posterior sucker in Hirudinaria
Description : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. Reason `:-` Small amount of nitrogenous wastes cou
Last Answer : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. ... . D. If both Assertion & Reason are false.
Description : Which of the following flushes out body wastes with the help of an organ called nephridia ?
Last Answer : Answer : The earthworm removes body wastes with the help of an organ called nephridia.
Description : What are the different between excretion and osmoregulation?
Last Answer : EXCRETIONThe removal of metabolic waste products from the body of an organism is known as Excretion .
Description : Osmoregulation is concerned with: a) excretion b) ionic regulation c) control of the body's water content d) carbon dioxide regulation
Last Answer : ANSWER: C -- CONTROL OF THE BODY'S WATER CONTENT
Description : which one of the following is not a function of Artificial Kidney? (a) To remove nitrogenous wastes from the blood. (b) To remove excess fluids from the blood. (c) To reabsorb essential nutrients from the blood. (d) To filter and purify the blood.
Last Answer : (c) To reabsorb essential nutrients from the blood.
Description : What part of the body excretes nitrogenous wastes through urine ?
Last Answer : Urine excretes 80% of nitrogenous wastes from the body.
Description : Uricotelic mode of passing out nitrogenous wastes is found in
Last Answer : Uricotelic mode of passing out nitrogenous wastes is found in A. Reptiles and Birds B. Birds ... C. Amphibians and Reptiles D. Insects and Amphibians
Last Answer : Uricotelic mode of passing out nitrogenous wastes is found in A. Reptiles and bird B. Birds ... C. Amphibians and reptiles D. Insects and amphibians
Description : An advantage of excreting nitrogenous wastes in the form of uric acid is that
Last Answer : An advantage of excreting nitrogenous wastes in the form of uric acid is that A. Uric acid can be ... D. Uric acid may be excreted through the lungs
Description : Uric acid is the chief nitrogenous wastes in – (1) Frogs (2) Birds (3) Fishes (4) Mankind
Last Answer : (2) Birds Explanation: Land snails, insects, birds, and some reptiles excrete uric acid as the major nitrogenous waste. The white, crystalline substance seen in a typical bird or lizard "poop" is actually urine: a little pool of uric acid crystals in a very small amount of water.
Description : The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.
Last Answer : (c) In passing the waste product, in the dialyzing solution.
Description : How nitrogenous wastes are removed?
Last Answer : Simple aquatic animals excrete ammonia in surrounding water by diffusion. In higher animals ammonia is converted into less toxic compounds such as urea, and uric acid. Urea is excreted out in ... in insects, reptiles and birds. It is excreted out in the form of crystals with little water.
Description : How nitrogenous wastes are formed in animals?
Last Answer : In the process of deamination, amino acids break down. In this process a toxic compound ammonia is formed which further converted into urea and uric acid.
Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.
Last Answer : (a) birds and lizards
Description : Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.
Last Answer : (a) reptiles and birds
Description : Select the correct option with respect to cockroaches. (a) Malpighian tubules convert nitrogenous wastes into urea. (b) Males bear short anal styles not present in females. (c) Nervous system comprises of a ... cord and ten pairs of ganglia. (d) The forewings are tegmina which are used in fligh
Last Answer : (b) Males bear short anal styles not present in females
Description : Uric acid is the chief nitrogenous wastes in (1) Frogs (2) Birds (3) Fishes (4) Mankind
Last Answer : Birds
Description : What are methods of excretion of wastes in plants?
Last Answer : The waste material may be: - i) secreted into intra or inter-cellular spaces. ii) Diffused out into the surrounding water or atmosphere. iii) Deposited in leaves, seed and fruits which when shed can easily carry there wastes.
Description : The less amount of water is lost with the excretion of which nitrogenous product?
Last Answer : The less amount of water is lost with the excretion of which nitrogenous product? A. `NH_(3)` B. `NH_(3) ... . Urea and uric acid D. `NH_(3)` and urea
Description : Which one of the following structures in Pheretima is correctly matched with its function? (a) Clitellum - Secretes cocoon (b) Gizzard - Absorbs digested food (c) Setae - Defence against predators (d) Typhlosole - Storage of extra nutrients
Last Answer : (b) Gizzard - Absorbs digested food
Description : The kidneys in human beings are a part of the system for (i) nutrition (ii) respiration (iii) excretion (iv) transportation -Biology
Last Answer : Answer. The kidneys in human beings are a part of the system for excretion and it process of the metabolic waste which can eliminated from an organism. In this vertebrates this become primarily carried out ... and other part of the skin. it is more important process in major form of the life.
Description : In what process does Hydra complete respiration and excretion ?
Last Answer : Hydra completes respiration and excretion in the diffusion process.
Description : The diaphragm assists in (a) digestion (b) respiration (c) circulation of blood (d) excretion of waste
Last Answer : Ans:(b)
Description : Christmas factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration
Last Answer : (1) Blood Coagulation Explanation: Factor IX, also known as Christmas factor, is one of the serine proteases of the coagulation system; it belongs to peptidase family Sl. Deficiency of this ... young boy named Stephen Christmas was found to be lacking this exact factor, leading to haemophilia.
Description : Allarltois of Embryo helps in - (1) digestion (3) excretion (2) respiration (4) protection
Last Answer : (3) excretion Explanation: The allantois is the sac-like extraembryonic membrane that removes waste from the embryo. As the embryo grows, so does the allantois, eventually pressing against the chorion. ... side the eggshell. In addition, the allantois also serves as a disposal site for uric acid.
Description : The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2
Description : Mycoplasma is associated with a disease that affects the organs of - (1) respiration (2) excretion (3) reproduction (4) digestion
Last Answer : (1) respiration Explanation: Mycoplasma refers to a genus of bacteria that lack a cell wall. Several species are pathogenic in humans, including M. pneumoniae, which is an important cause ... respiratory disorders, and M. genitalium, which is believed to be involved in pelvic inflammatory diseases.
Description : Vegetables and fruits should be a part of our diet because they stimulate - (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration
Last Answer : (1) Peristalsis Explanation: Vegetable and fruits should be a part of our diet because they stimulate peristalsis.
Description : Green gland is associated with a) Excretion b) Nutrition c) Defence d) Respiration
Last Answer : a) Excretion
Description : The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : Photosynthesis
Description : Christmas factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration
Last Answer : Blood Coagulation
Description : Allantois of Embryo helps in (1) digestion (2) respiration (3) excretion (4) protection
Last Answer : excretion
Description : Vegetables and fruits should be a part of our diet because they stimulate (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration
Last Answer : Peristalsis
Description : Mycoplasma is associated with a disease that affects the organs of (1) respiration (2) excretion (3) reproduction (4) digestion
Last Answer : respiration
Description : Which of the following is not a function of the skeletal system? (a) Production of body heat (b) Locomotion (c) Production of erythrocytes (d) Storage of minerals
Last Answer : a) Production of body heat
Description : Which of these animals has the characteristic nephridia ?
Last Answer : Answer : The nephridia is a cylindrical and fragmented excretory organ.
Description : Which is the excretory organ nephridia ?
Last Answer : Excretory organ nephridia is a leech.
Last Answer : Animals of the genus Annelida have excretory organs called nephridia.
Description : Solenocytes and nephridia are respectively found in
Last Answer : Solenocytes and nephridia are respectively found in A. Platyhelmenth and Annelids B. Annelids ... Cenidaria and Mollusac D. Mollusca and Echinodermata
Description : Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs ( ... Cucurbita - analogous organs (d) Nictitating membrane and blind spot in human eye - vestigial organs
Last Answer : (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs
Description : The basic functional unit of human kidney is (a) nephridia (b) Henle’s loop (c) nephron (d) pyramid.
Last Answer : (c) nephron