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.
ڈی این اے کو جینیاتی مواد کے طور پر ثابت کرنے کے لئے بلینڈر تجربہ ______ کے ذریعہ کیا گیا تھا؟
A. Messelson & Stahl
B. None of these
C. Watson & Crick
D. Hershey & Chase
Check answer and explanation
Answer: Hershey & Chase
Explanation Hershey & Chase (1952) used the Blender Experiment with bacteriophages to confirm that DNA, not protein, is the genetic material. They labeled DNA with phosphorus-32 and protein with sulfur-35 , proving only DNA enters bacterial cells to direct viral replication.
Explanation The Cretaceous extinction, about 70 million years ago , marked the end of the Mesozoic Era. This event led to the extinction of dinosaurs and paved the way for the rise of mammals in the Cenozoic Era.
مندرجہ ذیل میں سے کون ان تمام افراد پر مشتمل ہے جو آبادی میں اگلی نسل کے جین پول میں حصہ ڈالتے ہیں؟
A. None of these
B. Census population
C. Drone population
D. Effective population
Check answer and explanation
Answer: Effective population
Explanation Effective population includes all individuals in a population who actively contribute genes to the next generation. It reflects the genetic diversity and breeding potential, often smaller than the census population.
سائنسدانوں نے جانوروں کی ______ ملین جاندار اقسام کی نشاندہی کی ہے۔
A. None of these
B. 1.4
C. 1.3
D. 1.5
Check answer and explanation
Answer: 1.3
Explanation Scientists have identified about 1.3 million living species of animals. This represents a small fraction of the total number of species , as many remain undiscovered.
Explanation Herbivores utilize about 30% of the energy they consume for metabolic activities like respiration and maintaining bodily functions. This energy is crucial for survival, leaving the rest for growth, reproduction, and other processes.
Explanation The life span of an adult weevil typically ranges from 4 to 5 months. During this time, they mate, lay eggs. It cause damage to plants , especially crops.
Explanation Fish blood contains three main types of proteins: 1. Albumins 2. Globulins 3. Fibrinogen These proteins play roles in maintaining osmotic pressure, immunity, and blood clotting.
Explanation The organism found in the gut of termites that helps them digest wood is a protozoan called Trichonympha These protists break down cellulose in wood, allowing termites to digest it effectively.
کون سا جانور پانی کے بغیر طویل ترین زندگی گزار سکتا ہے؟
A. Rat
B. Elephant
C. Cat
D. Camel
E. Dog
Check answer and explanation
Answer: Camel
Explanation Camels can survive up to 15 days without water. One of the reasons that camels can survive that long is because of their humps . Camel means اونٹ
جو بہت سے پروٹسٹوں سے چھوٹے ہیں لیکن واقعی کثیر خلوی ہیں اور ان میں مخصوص اعضاء کا نظام ہے؟
A. None of these
B. Jellyfish
C. Rotifers
D. Branchiopods
Check answer and explanation
Answer: Rotifers
Explanation Rotifers are microscopic, multicellular organisms with specialized organ systems, including a complete digestive tract. They are smaller than many protists but exhibit complex biological structures.
Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.