FBISE Class 9th (SSC-l)
Explore subjects and practice MCQs
3
Chapters
1,610
Total MCQs
FBISE Class 9th (SSC-l)
Answer: Producing more offspring than resources can support leads to competition among individuals.
Answer: According to the principle of superposition, deeper layers of rock contain older fossils.
Answer: Choosing high-milk-yield cows for breeding is artificial selection by humans.
Answer: DNA comparisons show that chimpanzees share the greatest genetic similarity with humans among living species.
Answer: Evolution is a gradual process that typically occurs over millions of years across countless generations.
Answer: Natural selection operates on individual organisms through their survival and reproductive success.
Answer: An adaptation is any inherited trait that improves an organism's chance of survival and reproduction.
Answer: Isolation plus accumulated variation allows a population to evolve separately until it becomes a distinct species.
Answer: The shared skeletal plan of mammalian forelimbs indicates that these species evolved from a common ancestor, a case of homology.
Answer: Shared genes and similar DNA sequences across species are molecular evidence of common descent.