A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a

A. Kingdom

B. class

C. family

D. species

A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

A. able to carry out holozoic nutrition

B. able to carry out photosynthesis using carbon dioxide in the pond water

C. better adapted to life in darkness than to life in light

D. not overcrowded

The cytoplasm of a cell is considered a very important component because it

A. regulates the amount of energy in the cell

B. suspends all cell organelles

C. is the outermost part of the cell

D. is solely responsible for cell division

Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will

A. rise

B. fall

C. remain the same

D. double

Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

A. transportation

B. water culture

C. diffusion

D. osmosis

Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

A. nucleolus

B. cell wall

C. cytoplasm

D. mitochondrion

Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as

A. plasmolysis

B. diffusion

C. haemolysis

D. wilting

The curvature movement of plants in response to the stimulus of water is called

A. hydrotropism

B. geotropism

C. Phototropism

D. thigmotropism

The overall reaction in glycolysis can be summarised as

A. C\(_{6}\)H\(_{12}\)O\(_{6}\) -----> C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ATP

B. C\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ATP

C. C\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ADP

D. C\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ADP

The longest bone in the body is the

A. humerous

B. femur

C. scapula

D. tibia

Which of the following structures is not a skeletal material?

A. Chitin

B. Cartilage

C. Bone

D. Muscle

The reason why the flow of blood through the capillaries is very slow is

A. because the walls of Capillaries are very thick

B. to avoid high blood pressure

C. to ensure that the individual does not get dizzy

D. Their large numbers and one cell-thick walls enables them to provide a large surface area through which materials can be exchanged between the blood and the body cells.

Which of the following groups of organisms has kidney as the excretory organ?

A. Fishes, amphibians, birds, man

B. Fishes, amphibians, annelids, insects

C. Fishes, reptiles, birds, tapeworm

D. Fishes, protozoans, amphibians, man

Which of the following features is not a characteristic of arteries? Arteries

A. possess valves at internals throughout their length

B. have thick muscular and elastic walls

C. carry blood away from the heart

D. transport oxygenated blood with the exception of the pulmonary artery

The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.Which of the statements below is valid?

A. The bird's blood was always warmer than that of the lizard

B. The body temperature of the bird varied less than that of the lizard during changes in environmental temperature

C. The body temperature of the bird remained constant despite changes in environmental temperature

D. The body temperature of the lizard was always close to that of the environmental temperature

The graph above shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.What physiological term can used to describe the regulation of the body temperature of the of the Lizard?

A. Homeostasis

B. Homoithermy

C. Poikilothermy

D. Osmoregulation

The reason why hospitals use saline solutions as drip Instead of water is

A. because salt is a preservative

B. to prevent contamination of the body

C. to maintain the composition of body fluids

D. to increase the number of blood cells

The part of the ear which contains nerve cells sensitive to sound vibrations is the

A. cochlea

B. ampulla

C. tympanum

D. malleus