Which of the following is NOT a characteristic of living things?

The smallest unit of life is the:

Which instrument is used to observe very small organisms?

The branch of biology that deals with classification of organisms is:

Which of the following organisms is unicellular?

Which organelle is known as the “powerhouse of the cell”?

The cell wall is present in:

The green pigment in plants that traps light for photosynthesis is:

Which of these is a mode of nutrition in green plants?

The movement of water molecules from a region of lower concentration to higher concentration through a semi-permeable membrane is called:

Which of the following is an example of excretion in plants?

In the scientific method, the step that involves an educated guess is:

Which of these is NOT an organ in humans?

Which level of organization comes after cells?

An organism that feeds on dead organic matter is called a:

The main excretory product in humans is:

Which of these is a respiratory organ in fish?

Which kingdom do mushrooms belong to?

Which of the following is a habitat of water snails?