Zoology MCQs - Everyday Science Practice | PakExamPoint
Practise Zoology MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Zoology MCQs and revision practice
Study Zoology through multiple-choice questions in Everyday Science. This subtopic contains 1568 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Zoology MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
گیس کے تبادلے کے ڈھانچے کو ایکسچینج میڈیم کے ساتھ رابطے میں رکھنے کا مکینیکل عمل۔ _____
A. Swim bladder
B. Respiration
C. Ventilation
D. None of these
Check answer and explanation
Answer: Ventilation
Explanation Ventilation is the mechanical process of moving air or water over gas exchange structures like gills or lungs . This process ensures efficient gas exchange by maintaining a flow of oxygen and removing carbon dioxide.
Explanation Monotremes are egg-laying mammals, such as the platypus and echidna . Unlike other mammals, monotremes lay eggs rather than giving birth to live young.
Explanation Whales belong to the order Cetacea . This includes all species of whales, dolphins, and porpoises. Cetacea is characterized by aquatic mammals adapted for life in the ocean.
Explanation The Oriental region shares a land connection with the Palearctic region through areas like the Himalayas. This connection allows some species to migrate between these two regions.
Explanation Endangered species are those at a high risk of extinction due to declining populations or habitat loss . They are protected under conservation laws to prevent extinction.
سمندری ماحولیاتی نظام میں ، وہ خطہ جو سمندر کی لہروں کے سپلیش زون سے کم جوار کی لہروں تک پھیلا ہوا ہے اسے ____ کہا جاتا ہے؟
A. Pelagic
B. Neritic
C. None of these
D. Intertidal
Check answer and explanation
Answer: Intertidal
Explanation Intertidal zone is the area between high and low tide, exposed to air at low tide and submerged at high tide. It is home to organisms adapted to withstand changing water levels, waves, and salinity.
Explanation Argulus (commonly called fish lice ) is a crustacean parasite that attaches to the skin of fish and feeds on their blood. Sacculina is also a parasitic crustacean but primarily infects crabs, not fish.
مندرجہ ذیل میں سے کون سا غذائیت قدرتی طور پر گیسی حالت کے طور پر ری سائیکل نہیں کیا جاتا ہے؟
A. Sulphur
B. Nitrogen
C. None of these
D. Carbon
Check answer and explanation
Answer: Sulphur
Explanation Nitrogen, carbon, and hydrogen are recycled in the atmosphere as gases. Sulphur , however, is mainly recycled in solid and liquid forms through processes like precipitation and deposition.
مائٹوسس کے دوران کس جاندار میں جوہری لفافہ برقرار رہتا ہے؟
A. None of these
B. Dinoflagellates
C. Most of eukaryotes
D. Bacteria
Check answer and explanation
Answer: Dinoflagellates
Explanation In dinoflagellates , the nuclear envelope remains intact during mitosis , unlike most eukaryotes where it breaks down. This process is known as closed mitosis , occurring within the nucleus.
دنیا کی کل آبی زراعت کی پیداوار میں نمبر 2 مچھلی کا گروپ _____ ہے؟
A. Trout
B. None of these
C. Carps
D. Tilapia
Check answer and explanation
Answer: Tilapia
Explanation Tilapia is the second-largest fish group in global aquaculture production, following carps. It is widely farmed due to its fast growth and adaptability in various environments.
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