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.
ہومیننز تقریباً _____ ملین سال پہلے افریقہ میں پیدا ہوئے۔
A. None of these
B. 8-9
C. 6-7
D. 7-8
Check answer and explanation
Answer: 6-7
Explanation Hominins , the group that includes modern humans and our ancestors, originated in Africa approximately 6-7 million years ago. This marks the divergence of early human ancestors from other primates .
تالاب کے پانی کے درجہ حرارت میں اضافے سے تحلیل شدہ آکسیجن کا ارتکاز ______ ہو جائے گا؟
A. Stabilize
B. Decrease
C. Increase
D. None of these
Check answer and explanation
Answer: Decrease
Explanation As pond water temperature increases , the solubility of oxygen decreases . It reducing the dissolved oxygen concentration. Higher temperatures lead to increased fish metabolism. This requiring more oxygen for survival.
ثقافتی ترسیل کی وہ قسم جس میں نوجوان جانور والدین کے مقابلے بالغوں سے معلومات حاصل کرتے ہیں اسے _________ کہا جاتا ہے؟
A. Oblique
B. Horizontal
C. None of these
D. Vertical
Check answer and explanation
Answer: Oblique
Explanation Oblique transmission occurs when young animals learn information or behaviors from unrelated adults , not their parents. This type of learning is common in social species where elders or mentors teach the young.
چوہا کے انفیکشن اور نقصان کی علامات ______ پر مشتمل ہیں؟
A. Urine droppings
B. All of the above
C. Foot prints
D. Fecal droppings
Check answer and explanation
Answer: All of the above
Explanation Rodent infestations can be identified by various signs, including fecal droppings, footprints, and urine stains. These signs help in detecting and managing rodent problems in homes and businesses.
Explanation Alpha taxonomy deals with identifying , describing, and naming species. It studies variation within species (intraspecific) and between species (interspecific). Provides the basis for classification and naming organisms. Focuses on morphological and genetic differences. It is the first step in broader systematics studies.
مندرجہ ذیل میں سے کون سی آبادی لاجسٹک گروتھ ماڈل کی پیروی کرتی ہے؟
A. Populations that grow within limited resources
B. None of these
C. Populations that follow J-shaped curve
D. Populations that increase exponentially
Check answer and explanation
Answer: Populations that grow within limited resources
Explanation Logistic growth occurs when a population grows rapidly at first, then slows as it reaches the carrying capacity due to limited resources. It follows an S-shaped curve.
Explanation Common carp is a pond breeder . It capable of reproducing in still or stagnant water. It requires specific conditions like shallow areas with vegetation for spawning.
کچھ چھپکلی میں دم کا ایک حصہ کھو گیا ہے اسے ______ کہا جاتا ہے؟
A. Autonomy
B. Anatomy
C. Tail loss
D. None of these
Check answer and explanation
Answer: Autonomy
Explanation Autotomy is the ability of some lizards to shed part of their tail as a defense mechanism against predators. The lost tail can regenerate over time , though often not to its original form.
ایک ہارمون جو کورٹیسون کی پیداوار کو متحرک کرتا ہے وہ ______ ہے؟
A. Adrenaline
B. Cortin
C. None of these
D. ACTH
Check answer and explanation
Answer: ACTH
Explanation Adrenocorticotropic hormone (ACTH) is secreted by the pituitary gland and stimulates the adrenal cortex to produce cortisol (cortisone). Adrenaline is involved in the fight-or-flight response. Cortin is an outdated term for adrenal hormones. Auxin is a plant hormone.
Explanation All insects have three pairs (six total) of legs , which are attached to the thorax. This is a key characteristic distinguishing insects from other arthropods.
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