Practise Branch of Science MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Branch of Science through multiple-choice questions in Everyday Science. This subtopic contains 2513 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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20 N وزنی بلاک کو 6 میٹر عمودی طور پر اوپر کی طرف اٹھایا جاتا ہے۔ اس میں ذخیرہ شدہ ممکنہ توانائی یہ ہے
Answer: 120 J
Explanation Weight(mg) of a block = 20N Height (h) = 6m Now, potential energy(PE) = mgh =20 × 6 = 120Joules The potential energy stored in it is 120 joules. ND 19-3-2023
Answer: Order
Explanation In the taxonomic hierarchy, the rank that comes directly below the class is the order. The full hierarchy from broader to more specific categories is: Domain Kingdom Phylum Class Order Family Genus Species.
انسانی زندگی اور ثقافت کا مطالعہ کیا ہے؟
Answer: Anthropology
Explanation Anthropology is the study of human life and culture. It focusing on the development of societies, customs, and behaviors. It includes subfields like cultural anthropology, archaeology, and biological anthropology to explore human complexity.
Answer: Is constant but not zero
Explanation According to Newton's second law , F=ma, a constant non-zero force results in uniform acceleration of the mass.
Answer: 50 J
Explanation
Answer: Hydrogen bonding
Explanation Methylamine and hydrogen peroxide are liquids due to Hydrogen bonding. Hydrogen bonding is a strong type of intermolecular force That occurs when a hydrogen atom is bonded to a highly electronegative atom Like oxygen, nitrogen, or fluorine. In methylamine (CH3NH2) The nitrogen atom has a lone pair of electrons and can form hydrogen bonds with other methylamine molecules. Similarly, hydrogen peroxide (H2O2) has hydrogen atoms bonded to oxygen atoms, allowing for hydrogen bonding. These strong hydrogen bonds hold th e molecules together in the liquid state.
جن پرجاتیوں کو معدوم ہونے کے قریب ہورہا ہے اسے ____ کہا جاتا ہے؟
Answer: Endangered
Explanation Species facing imminent extinction are called endangered . Specifically, an endangered species is at very high risk of extinction soon, either globally or within a specific region.
Answer: Thiol
Explanation The compound with the most acidic proton is Thiol . Thiols (R-SH): These are more acidic than alcohols due to the larger size of sulfur compared to oxygen, resulting in a weaker S-H bond and a more stable conjugate base.
Answer: Cysteine
Explanation Cysteine is the only amino acid with a sulfhydryl group (-SH), which allows it to form disulfide bonds with another cysteine residue, creating a linkage between two polypeptide chains. In insulin, disulfide bonds are crucial for maintaining its proper structure and function.
پرجیوی کے مطالعے کو کہا جاتا ہے
Answer: Parasitology
Explanation The study of parasites is called Parasitology . It is a branch of biology focusing on parasites, their hosts, and their relationships, often studied in microbiology and veterinary science for diagnosis and treatment of parasitic diseases.
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