Practise Zoology MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
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ایک مولسکس کا خول ______ کے ذریعہ چھپا ہوا ہے؟
Answer: Mantle
Explanation The mantle is a specialized tissue in mollusks that secretes calcium carbonate to form the shell. It also plays a role in respiration and excretion.
چیونٹیوں کے گروپ کو کیا کہتے ہیں؟
Answer: Colony
Explanation "Colony" is the correc t collective noun for ants While "colony" is the most common term, "army"
ہضم کے راستے کو چھوڑنے کے لئے، ایک مادہ کو سیل کی جھلی کو پار کرنا ضروری ہے. یہ فوڈ پروسیسنگ کے کس مرحلے کے دوران ہوتا ہے؟
Answer: Absorption
Explanation During absorption , nutrients from digested food cross the cell membranes of the intestinal lining and enter the bloodstream or lymphatic system. Ingestion and digestion occur before absorption , where food is taken in and broken down.
سلور کارپ کا سائنسی نام ______ ہے؟
Answer: Hypothalmicthys molitrix
Explanation The scientific name of Silver carp is Hypophthalmichthys molitrix . It is a freshwater fish commonly used in aquaculture for its rapid growth and plankton-feeding habits.
کم ہوتی ہوئی جنگلی حیات کی انواع کو ______ کے ذریعے محفوظ کیا جا سکتا ہے؟
Answer: Gene Bank
Explanation A Gene Bank stores genetic material like seeds, tissues, or DNA to preserve endangered species. It helps in the future restoration and conservation of diminishing wildlife species.
Answer: Mussel
Explanation The mantle is a feature of mussels and other mollusks, responsible for secreting the shell.
منسلک جینوں کے دوران کراسنگ _____ میونیس کے دوران ہوتا ہے.
Answer: Prophase I
Explanation Crossing over occurs during Prophase I of meiosis , specifically in the pachytene stage . This process allows genetic recombination , increasing genetic diversity.
Answer: Helium
Explanation For deep-sea diving, oxygen is mixed with helium (forming heliox) to prevent nitrogen narcosis and oxygen toxicity at high pressures. Helium is inert, light, and doesn't cause narcotic effects under pressure like nitrogen does.
تمام جانوروں میں ، بیضوی ایک مخصوص ترتیب میں تیار ہوتا ہے؟
Answer: Zygote → Cleavage → Blastula → Gastrula
Explanation The zygote undergoes cleavage , leading to the blastula stage, which later forms the gastrula with three germ layers. This sequence is fundamental in embryonic development .
Answer: All vertebrates
Explanation The embryological stages of all vertebrates show similarities in anatomical features, reflecting a common evolutionary origin.
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