MCQ Bank
Metanephridia is found in ___________.
- A) Cnidarians, Echinoderms, and Platyhelminthes
- B) Bryozoans, Brachiopods, and Tardigrades
- C) Nematodes, Ctenophores, and Poriferans
- D) Annelids, Arthropods, and Molluscs
Which one of the following is the major excretory organ in vertebrates?
- A) Contractile vacuole
- B) Kidney
- C) Coxal gland
- D) Malpighian tubule
System that removes toxins in the form of liquid from body is _____________.
- A) Physiological system
- B) Digestive system
- C) Respiratory system
- D) Excretory system
The primary function of the skin is ________.
- A) Oxygen production
- B) Water storage
- C) Blood filtration
- D) Organs protection
Contractile vacuole is found ___________.
- A) Amoeba
- B) Paramecium
- C) Euglena
- D) All of these
In sponges and cnidarians, the excretions occurs through ________________.
- A) Flame cells
- B) Simple diffusion
- C) Coxal glands
- D) Protonephridia
How many limbs did you observe in frog?
- A) 4
- B) 3
- C) 2
- D) 5
________ is the last part of digestive system of cockroach.
- A) Colon
- B) Crop
- C) Rectum
- D) Cecum
The main function of the liver in excretion is _______.
- A) Production of oxygen
- B) Storage of waste products
- C) Elimination of excess fats
- D) Filtration of blood
The main function of the Loop of Henle in the nephrons of mammals and birds is ________.
- A) Filtration
- B) Secretion
- C) Urea production
- D) Water absorption
Earthworm belongs to phylum _________.
- A) Annelids
- B) Mollusca
- C) Arthropods
- D) Porifera
Protruding tongue is found in ______.
- A) Human
- B) Salamander
- C) Lamprey
- D) Frog
Which one of the following is not an excretory organ in human?
- A) Lungs
- B) Kidneys
- C) Liver
- D) Gills
How many wings are found in cockroach?
- A) 8
- B) 2
- C) 4
- D) 6
Protonephridia is found in ____________.
- A) Nematoda, Ctenophora, Porifera, and some Protochordates
- B) Annelida, Mollusca, Arthropoda, and some Protochordates
- C) Platyhelminthes, Nemertea, Rotifera, and some Protochordates
- D) Cnidaria, Porifera, Echinodermata, and some Protochordates
Inside the gill arches of Labeo rohita, there are small sharp bone protrusions called?
- A) gill slits
- B) gill lamellae
- C) gill filament
- D) gill rakers
What is the role of the ovipositor in the female reproductive system?
- A) Forming the spermatophore
- B) Controlling the release of sperm
- C) Depositing eggs in the soil
- D) Transporting sperm to the seminal receptacle
There are ____ number of gill arches under the gill cover by cutting it off during the dissection of Labeo rohita
- A) 2
- B) 5
- C) 3
- D) 4
What is the role of androgens produced by the testes in male development?
- A) They produce semen
- B) They influence comb growth
- C) They control meiosis
- D) They determine sperm count
What is the function of the lateral line in fish?
- A) Olfaction
- B) Detection of water movement
- C) Hearing
- D) Vision