Statements: All boys are brave. Some brave are tall. All tall are strong. Conclusion I: Some boys are strong. Conclusion II: Some brave are strong. Which is correct?

Statements: All students are learners. Some learners are readers. All readers are scholars. Some scholars are teachers. Conclusion I: Some students are scholars. Conclusion II: Some learners are teachers. Which is correct?

Statements: Some pens are blue. Some blue are red. Some red are green. Conclusion: Some pens are green. Is this valid?

Sex-linked traits are most commonly associated with genes on:

The process by which plants make food using sunlight is called:

A walks 10 km South, turns left and walks 5 km, turns right and walks 10 km, turns left and walks 5 km. How far and in which direction is A from the starting point?