Which parts of the microscope contain lenses that can magnify the image of a cell?

I. Eyepiece                                   II. Iris diaphragm           

III. Objectives                            IV. Revolving nosepiece

Jim observes the pollen from a plant under a compound light microscope. Which mechanical part should he adjust if he wants to change the objective from Low Power Objective (LPO) to High Power Objective (HPO)?

Anne prepared a specimen from a bread mold and observed it under a compound light microscope. When she looks through the eyepiece, the specimen looks slightly dim. Which part of the microscope does she need to adjust?

Why is it necessary for the specimen to be thin so it can be observed under the microscope?

If a microscope has a 4x ocular lens and a 10x objective, what is the microscope's total magnification?

Which sequence of biological levels of organization is correctly arranged from most complex to simplest?

Which of the following examples describes a population?

Which level of organization in an organism is the basic unit of life?

Which of the following structures can only be seen in a plant cell?

Which of the following is NOT correctly matched?

Which of the following statements is NOT supported by the cell theory?

How did cell technology become helpful to the field of Agriculture?

Which of the following reproduce by regeneration? 

All of the following are involved in asexual reproduction, which is NOT involved?

How can you differentiate asexual reproduction from sexual reproduction?

Trees are an essential part of the ecosystem. Which of the following is NOT its function?

What will happen if one existing biotic component in the ecosystem is suddenly destroyed?

A mosquito feeds off the blood of different organisms. This usually causes disease and discomfort to an organism and sometimes even death. This is an example of ____________.

In predation, what do you call an organism that is hunted and eaten?

Illegal mining is prohibited by the government because it can damage the ecosystem and influence changes that occur in the abiotic components. Which of these abiotic components will mostly be affected by illegal mining?