Biology PSC Questions. We covered all the Biology PSC Questions in this post for free so that you can practice well for the exam.
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Biology PSC Objective Questions for Students
What is the excretory organ in crustaceans, like prawns?
(a) Antennal glands
(b) Nephridia
(c) Flame cells
(d) Malpighian tubules
Option a – Antennal glands
Which organ in human beings carries out a function similar to what Malpighian tubules perform in cockroaches and other insects?
(a) Lungs
(b) Kidneys
(c) Heart
(d) Reproductive organs
Option b – Kidneys
In ureotelic animals, ammonia produced by metabolism is converted into urea in which organ?
(a) Kidney
(b) Liver
(c) Spleen
(d) Lungs
Option b – Liver
Flame cells or protonephridia are the excretory structures in which group of animals?
(a) Arthropods
(b) Platyhelminthes
(c) Annelids
(d) Crustaceans
Option b – Platyhelminthes
Malpighian tubules are the excretory structures of which group of animals?
(a) Insects
(b) Mammals
(c) Birds
(d) Reptiles
Option a – Insects
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