Statements: All boys are students. Some students are intelligent. All intelligent are hardworking. Some hardworking are successful. Conclusion: Some boys are successful. Is this valid?

Which scientist is known as the father of genetics?

Which structure is found in plant cells but NOT in animal cells?

Penicillin kills bacteria by inhibiting the synthesis of:

The pH of human blood is maintained around:

Pen is to Write as Knife is to ?