The organ which is sensitive to light in Euglena is the

A. gullet

B. chloroplast

C. eye spot

D. contractile vacuole

E. flagellum

Which of the following is a similarity between a typical animal cell and a typical plant cell? The presence of

A. cellulose cell wall

B. chlorophyll

C. centrally-placed nucleus

D. cell membrane

E. large vacuole

The first scientist to describe the cell was

A. Theodor Schwann

B. Felix Dujardin

C. Robert Hooke

D. Charles Darwin

E. Matthias Schleiden

In which of the following parts of a cell is the chromosome fund?

A. Nucleus

B. Golgi body

C. Cytoplasm

D. Cell membrane

E. Cell wall

Which of the following diseases is caused by deficiency of insulin in the body?

A. Malaria

B. Diabetes mellitus

C. Hepatitis

D. Gonorrhoea

E. Cholera

Which of the following is the medium of transportation of nutrients with unicellular organisms?

A. Blood

B. Serum

C. Protoplasm

D. Plasma

E. lymph

Which of the following blood vessels carries oxygenated blood into the heart?

A. Pulmonary vein

B. Anterior vena cava

C. Pulmonary artery

D. Aorta

E. Posterior vena cava

The conditions that ensure successful exchange of gases in multicellular organisms include the following except

A. concentration gradient across the respiratory surface

B. presence of thin membrane as the respiratory surface

C. last transportation of absorbed gases

D. presence of large surface area of the respiratory organ

E. presence of small, dry surface area of the respiratory organ

The conditions that ensure successful exchange of gases in multicellular organisms include the following except

A. concentration gradient across the respiratory surface

B. presence of thin membrane as the respiratory surface

C. last transportation of absorbed gases

D. presence of larg surface area of the respiratory organ

E. presence of small, dry surface area of the respiratory organ

The respiratory organ found in the cockroach is the

A. air sac

B. trachea

C. lung book

D. lung

E. gill