Which part of the cell is considered as its powerhouse?

What are molecules made up of?

How many organ systems does a human body have?

Which level of organization does a mango tree represent?

Which of the following occupies the apex of the pyramid of biological organization?

Which unit occupies the base of the pyramid of biological organization?

Which of the following is not an example of a tissue?

Which level of organization represents the stomach?

Which of the following levels of organization in organisms is arranged from the simplest to the most complex?

All of the following organelles are present in both animal and plant cells EXCEPT.

Which of the following units form an organ when they combine?

Below are examples of organs, EXCEPT.

Which is not one of the four essential elements present in the body of an organism?

All are parts of a compound microscope EXCEPT.

What level of organization in ecology does a lady bug belong?

Where is the female gamete of flowering plants located?

Which of the following is a symbiotic relationship where both organisms are benefited?

What do you call the bacteria that feed on dead or decaying matter?

A sheep and a cow both eat the same grass in a paddock. This is an example of:

This refers to all parts of the Earth capable of supporting life or where life can be found.

What is the human male reproductive gamete called?

Which part of the sperm cell contains enzymes that help the cell penetrate the ovum’s membrane during fertilization?

What ecological relationship do a snake and a field rat have?

Bacteria that live in an environment with a very low temperature are called.

Which of the following is not an example of an animal-like protist?

What kind of factors are dissolved oxygen and water pH in a pond ecosystem?

The relationship where two different organisms live closely together for long periods of time is called.

In which part of the female reproductive system the ovum is produced?

These stems grow below the ground.

Which of the following is an example of a parasite-host relationship?

A lion hunts and eats a rabbit. In this case, the lion is the.

Which of the following statements is true about a food chain?

Which of the following statements is not true about fertilization?

The fleas on a cat’s skin are examples of.

Lichen attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce. What type of relationship is this?

This refers to the measure of hotness or coldness of a body or an environment.

Which of the following is a symbiotic relationship where one partner benefits and the other is harmed?

It shows the mass of organisms in each trophic level in a food chain at a particular time.

Sea anemones contain a venom that sting and paralyze their prey. The clownfish contains an enzyme on their scales that makes it immune to the venom of sea anemones. The enzyme allows the clownfish to live in the sea anemone without being harmed. This is an example of what type of relationship?

Which of the following is a symbiotic relationship where one organism benefits and the other does not benefit from the relationship?

Which statement is not true about the food web?

Which of the following is not a form of asexual reproduction?

Amensalism, commensalism, mutualism, and parasitism are.

Which of the following organisms reproduce by binary fission?

What symbiotic relationship is represented by a bee feeding on the nectar of a flower?

Which statements are true about bacteria?

1. Some bacteria provide health benefits.

2. Bacteria can be classified according to their shapes.

3. Some bacteria act as decomposers, a role very important in food webs.

All are beneficial roles of bacteria, EXCEPT.

In this form of reproduction, a new organism develops from a fragment of a mature organism.

The transfer of pollen grains from the anther to the stigma of the same flower or of another flower of the same plant is called.