Excretory Systems in Different Organisms
Trending Questions
Q. Crustaceans such as prawns use as excretory organs.
- spiracles
- nephridia
- protonephridia
- green glands
Q. Which one of following options gives the correct categorization of six animals according to the type of nitrogenous wastes they give out?
- Ammonotelic - Pigeon, Humans; Ureotelic - Aquatic Amphibia, Lizards; Uricotelic - Cockroach, Frog
- Ammonotelic - Frog, Lizards; Ureotelic - Aquatic Amphibia, Humans; Uricotelic - Cockroach, Pigeon
- Ammonotelic - Aquatic Amphibia; Ureotelic - Frog, Humans; Uricotelic - Pigeon, Lizards, Cockroach
- Ammonotelic - Aquatic Amphibia; Ureotelic - Cockroach, Humans; Uricotelic - Frog, Pigeon, Lizards
Q. Arrange the following on the basis of evolution of excretory structure.
Nephridia, Protonephridia, Kidneys, Malphigian tubules, Green glands.
Nephridia, Protonephridia, Kidneys, Malphigian tubules, Green glands.
- Protonephridia, Nephridia, Kidneys, Malphigian tubules, Green glands
- Nephridia, Protoephridia, Green glands, Kidneys, Malphigian tubules
- Protonephridia, Nephridia, Malphigian tubules, Green glands, Kidneys.
- Nephridia, Protonephridia, Malphigian tubules, Green glands, Kidneys.
Q.
Which is uricotelic?
Earthworms
Cockroach
Frog
Humans
Q. Match the excretory organ to the correct organism.
- Earthworm
- Flatworm
- Paramecium
- Cockroach
Q. In which of these animals, antennal gland functions as excretory organ?
- Cockroach
- Planaria
- Prawn
- Earthworm
Q. Consider the following four statements (i)-(iv) about certain desert animals such as kangaroorat
(i) They have dark colour and high rate of reproduction and excrete solid urine
(ii) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(iii) They feed on dry seeds and do not required drinking water
(iv) They excrete very concentrated urine and do not use water to regulate body temperature.
Out of these four, which two are correct:
(i) They have dark colour and high rate of reproduction and excrete solid urine
(ii) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(iii) They feed on dry seeds and do not required drinking water
(iv) They excrete very concentrated urine and do not use water to regulate body temperature.
Out of these four, which two are correct:
- (iii) and (i)
- (i) and (ii)
- (iii) and (iv)
- (ii) and (iii)
Q. Almost all the aquatic animals excrete ammonia as the nitrogenous waste product. Which of the following statements is not in agreement with this situation?
- Ammonia is easily soluble in water
- Ammonia is released from the body in a gaseous state
- Ammonia is highly toxic and needs to be eliminated as and when formed
- Ammonia gets converted into a less toxic form called urea
Q. Which one of following options gives the correct categorization of six animals according to the type of nitrogenous wastes they give out?
- Ammonotelic - Pigeon, Humans; Ureotelic - Aquatic Amphibia, Lizards; Uricotelic - Cockroach, Frog
- Ammonotelic - Frog, Lizards; Ureotelic - Aquatic Amphibia, Humans; Uricotelic - Cockroach, Pigeon
- Ammonotelic - Aquatic Amphibia; Ureotelic - Frog, Humans; Uricotelic - Pigeon, Lizards, Cockroach
- Ammonotelic - Aquatic Amphibia; Ureotelic - Cockroach, Humans; Uricotelic - Frog, Pigeon, Lizards
Q. Match the following and choose the correct option :
A. Earthworms1. Malpighian tubules.B. Human beings2. NephridiaC. Planaria3. KidneysD. Cockroach4. Flame cells
A. Earthworms1. Malpighian tubules.B. Human beings2. NephridiaC. Planaria3. KidneysD. Cockroach4. Flame cells
- A-4, B-3, C-2, D-1
- A-1, B-3, C-2, D-4
- A-2, B-3, C-4, D-1
- A-3, B-1, C-2, D-4
Q. In Hydra, waste material of food digestion and nitroenous waste material are removed from:
- Mouth and mouth
- Body wall and body wall
- Mouth and body wall
- Mouth and tentacles
Q.
Excretory structure of earthworms is______
Malpighian tubules
nephridia
kidney
antennal glands
Q. Consider the following statements
I. Flame cells are excretory structures in flatworms
II. Green glands are excretory organs in annelids.
III. Columns of Bertin are the conical projections of renal pelvis into renal medulla between the renal pyramids.
Which of the following statements are incorrect?
I. Flame cells are excretory structures in flatworms
II. Green glands are excretory organs in annelids.
III. Columns of Bertin are the conical projections of renal pelvis into renal medulla between the renal pyramids.
Which of the following statements are incorrect?
- I and II
- II and III
- I and III
- I, II and III