In the 1930s , american biochemist wendell stanley observed crystals of tobacco mosaic virus. based on this evidence, stanley inferred that viruses

he inferred that viruses are not living organisms. More recently, some scientists have questioned whether viruses act as living organisms because they can manage to form replicates of themselves.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

cells spend most of their time in interphase