In one hour, given ideal growing conditions, a small colony of 10 cells could grow to include (a)   .

Simple squamous epithelial cells are found in lining of organs such as ________ and __________.

(a)  

What is the main difference between the uterus of a human and the uterus of a rat?

(a)  

The aortic arches of an earthworm are located around the (a)   .

The following are the functions of the integumentary system (a)   .

Which one is insufficient in cretinism?

(a)  

What is the chemical nature of enzymes?

(a)  

Sharp and tearing teeth are likely to be found in a (a)   .

The major job of genes is to control (a)   .

Which structure aids in the mechanical digestion of food?

(a)  

What are the breathing organs of plants that are located in the stems and trunks?

(a)  

Which part of our body serves as a lever, a kind of simple machine?

(a)  

Which modified stem is used for the storage of food?

(a)  

The selectivity of the cell

membrane is most closely associated with the maintenance of (a)   .

Which of these ecosystem has the lowest net primary production per square meter?

(a)  

Which of the following locations is the reservoir for nitrogen in the nitrogen cycle?

(a)  

Which of the following is responsible for formation of blood cells?

(a)  

Lactose, a sugar milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?

(a)  

Which of the following is an exocrine gland?

(a)  

The bipolar nature of the cell membrane is due to (a)   .

Which of the following structures serve as a passageway of food and air?

(a)  

Which part of the brain is responsible for intelligence, memory and learned behavior?

(a)  

Which property of water is probably MOST important for the functioning of organisms at the molecular level?

(a)  

Which are small, irregularly-shaped cells without nuclei but are rich in ATP?

(a)  

The jellyfish is a member of what class?

(a)  

What is the natural phenomena on wherein there is a continuous movement of water from the source to the atmosphere and back?

(a)  

Which of the following correctly expresses the relative placement of a vertebrate’s nerve cord and major blood vessels?

(a)  

Which structure can be found in a prokaryote?

(a)  

The beaks of finches in Galapagos and the difference in color of peppered moths are due to (a)   .

Variations of a specific gene are known as (a)   .

What instrument has a flexible gastroscope that is used to examine the esophagus and stomach?

(a)  

Which is considered as the respiratory center of the brain?

(a)  

What is the enzyme in the mouth that breaks starch to maltose?

(a)  

What do you call the finger-like folds on the inner linings of the small intestine?

(a)  

Which part has underground stem modified for reproduction?

(a)  

Which of the following is made up of diploid number of cells?

(a)  

What is the branch of Zoology that is devoted to the study of fish?

(a)  

In photosynthesis, the final products are _________ and __________.

(a)  

What is the original source of almost all the energy in most ecosystems?

(a)  

It is referred to as the hot, plastic material where the lithosphere floats?

(a)  

What do you call the point on the ground directly above the focus?

(a)  

The slow but continuous process of breaking rocks is called (a)   .

A type of rock formed when molten rock or magma originating deep within the mantle layer solidifies.

(a)  

Type of rock produced by intense heat or pressure.

(a)  

Which scale measures the magnitude of an earthquake?

(a)  

What is the most abundant inorganic compound in the protoplasm?

(a)  

Which is the riches type of tropical rain forest in the Philippines?

(a)  

What muscle is described as involuntary, not striated, and have a single nucleus?

(a)  

Which of the following is not considered as a reproductive cell?

(a)  

The cell wall of plants is made of (a)   .

What is the correct sequence of the level of organization from lowest to highest?

(a)  

In periods of starvation, these are used for energy production (a)   .

This animal does not have the urea cycle as a metabolic pathway.

(a)  

A blood sugar level that is below normal is termed (a)   .

Glycogen is stored in (a)   cells.

The pigment molecule that absorbs light energy and passes it on to other molecules of the photosynthesis “light system” is (a)  

How does phosphorous normally enter ecosystems?

(a)  

Which trophic level is most vulnerable to extinction?

(a)  

What blood cells are responsible for blood clotting?

(a)  

Biologists who classify organisms are called (a)   .

The tendency to react automatically to an external stimulus is called a/an (a)   .

The age of fossils can be determined by (a)   .

What structure assists the algae to float in water?

(a)  

A very high level of calcium in the blood suggests a malfunction of the (a)   .

Individuals without the specializations required to survive in a changing environment (a)   .

Why is there a need to classify living things?

(a)  

Which chamber of the heart receives oxygenated blood?

(a)  

In food web, where is the greatest concentration of chemical bond energy?

(a)  

They are warm blooded, they have four chambered heart, and they produce milk for the young.

(a)  

Which is the major nitrogenous waste produces by water-dwelling organisms such as the paramecium and hydra?

(a)  

During the process of photosynthesis, oxygen is given off as a by-product. This oxygen came from (a)   .

Organisms use sugar to make an energy-rich molecule called (a)   .

DNA is to genetic material as RNA is to (a)   .

Which of the following is LEAST LIKELY to form a fossil?

(a)  

Which part of the brain is involved when we think and reason out?

(a)  

Which of the following likely to form a fossil?

(a)  

Why is incineration not favored as a method of waste disposal?

(a)  

What substance do leeches secretes which keep the blood they feed on state?

(a)  

What structure provides flexible support and protection to the spinal cord?

(a)  

How many bone does an adult human body has?

(a)  

Which cause our bones to turn brittle and easily break?

(a)  

What is longest bone in the body?

(a)  

Where does the toxin substance secreted by bees and ants through their sting originate?

(a)  

What process is responsible for the upward movement of the water in very tall trees?

(a)  

What is the product of carbohydrate digestion?

(a)  

What is the membrane that surrounds the lungs?

(a)  

What is the flap-like structure that prevents the food from going the wrong way during swallowing?

(a)  

Which kind of relationship is exhibited by algae and fungi in lichen?

(a)  

What hormone promotes the growth of the uterine lining for the implantation of the embryo?

(a)  

Which of the following does not involve mitosis?

(a)  

What do you call the types of symmetry where the body parts are paired on either side of the body?

(a)  

What chemical controls metamorphosis among insects?

(a)  

They are insoluble in water.

(a)  

Which of the following carbohydrates is example of polysaccharide?

(a)  

Which of the following field of science led to the development of Mendel’s work on garden peas?

(a)  

What composes the binomial nomenclature in taxonomy?

(a)  

Why do organisms undergo molting? It is for (a)   .

What parts perform both as reproductive and urinary functions in males?

(a)  

What branch of biology is involved when one is studying the characteristic, structure and functions of all kinds of cells?

(a)