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.
توانائی شکل میں بدل سکتی ہے لیکن مقدار میں نہیں _____ کا بیان ہے؟
A. 2nd law of thermodynamics
B. 1st law of thermodynamics
C. Law of Tolerance
D. None of these
Check answer and explanation
Answer: 1st law of thermodynamics
Explanation The 1st law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another. It ensures the total energy in a closed system remains constant , highlighting energy conservation.
Explanation Sea anemones are called flower animals because they look like flowers . They are marine animals that are part of the class Anthozoa , which means " flower animals " in ancient Greek. They are cylindrical in shape. They are attached to a substrate . They are often brightly colored. They can grow to be 1.8 to 10 cm in diameter. The name " anemone " comes from the anemone flower .
ابیوٹک عنصر کی مدد سے جانوروں کی بازی کو ______ کہا جاتا ہے؟
A. Bi-polar Dispersal
B. Active Dispersal
C. Passive Dispersal
D. None of these
Check answer and explanation
Answer: Passive Dispersal
Explanation Passive dispersal happens when animals are moved by abiotic factors like wind, water, or currents. The animals rely on external forces rather than their own effort for movement.
ہائبرڈ یا آؤٹ کراسڈ جین ٹائپ کی فٹنس میں کمی ______ کی وجہ سے ہوتی ہے؟
A. Genetic swamping
B. Genetic drift
C. Heterosis
D. None of these
Check answer and explanation
Answer: Genetic swamping
Explanation Genetic swamping occurs when the gene pool of a hybrid or out-crossed population is overwhelmed by the influx of genes from a more abundant population, This leading to a loss of beneficial traits. This results in reduced fitness of the hybrids , as their genetic makeup becomes diluted and less adapted to their environment.
لیبیگ کا کم از کم قانون اصل میں _______ پر لاگو ہوا تھا؟
A. Organic nutrients
B. Physical factors
C. None of these
D. Inorganic nutrients
Check answer and explanation
Answer: Inorganic nutrients
Explanation Liebig's law of minimum states that growth is limited by the scarcest nutrient, particularly focusing on inorganic nutrients. It suggests that plants will only grow as much as the least available nutrient allows , regardless of other abundant nutrients.
پودوں کو کھانا کھلانے والے جانوروں کو _____ کہا جاتا ہے؟
A. Carnivores
B. Omnivores
C. Detritivores
D. Herbivores
Check answer and explanation
Answer: Herbivores
Explanation Herbivores : These animals eat only plants. The word " herbivore " comes from the Latin words " herba " ( meaning plant ) and " vorare " ( meaning to eat ). Detritivores : These animals eat decaying organic matter. Omnivores : These animals eat both plants and animals . Carnivores : These animals eat only meat .
Explanation Otters are known to be significant predators of fish. This often hunting them in freshwater environments. They use their dexterous paws and sharp teeth to catch and consume fish.
پلیٹ ٹیکٹونک تھیوری: لیتھوسفیئر پلیٹوں کے درج ذیل نمبروں پر مشتمل ہے؟
A. 5
B. 7
C. 3
D. None of these
Check answer and explanation
Answer: 7
Explanation The lithosphere is divided into seven major tectonic plates and several smaller ones. These plates float on the semi-fluid asthenosphere, driving geological activity like earthquakes and volcanic eruptions.
Explanation Herbivores : An herbivore is an organism that feeds primarily or exclusively on plants and plant matter. Examples : Cows, sheep, and elephants. Carnivores: A carnivore is an animal that eats only meat or the flesh of other animals. Examples: Lions, tigers, and hyenas. Omnivores: An omnivore consumes a variety of materials, including both plants and animals. Examples: Humans, bears, and some ants.
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