Which of the following conditions is responsible for the presence of sugar in the blood of diabetic patients?

A. High intake of carbohydrates

B. Low production of insulin

C. Low intake of carbohydrates

D. High production of insulin

The central nervous system in humans is made up of the

A. brain, medulla oblongata and nerves

B. brain, spinal cord and cranial nerves

C. brain and spinal nerves

D. brain and spinal cord

The part of the ear in mammals responsible for the detection of sound is the

A. utriculus

B. tympanum

C. cochlea

D. semi-circular canal

Which of the following statements best describes pollination? The transfer of pollen grain from

A. anther to stigmas

B. stigmas to stamens

C. the anther of a flower to the stigma of another flower of a different species

D. anther to the ovary

Which of the following vertebrae provide articulating surfaces for the ribs?

A. Thoracic

B. Lumbar

C. Cervical

D. Sacral

Which of the following is not a component of the appendicular skeleton?

A. Ulna

B. Atlas

C. Femur

D. Pelvic girdle

If the mucus in the air track of mammals dry up and the hairs in the nostrils are removed

A. impure air would be breathed into their lungs

B. the speed of air movement into their lungs would increase

C. breathing air into their lungs would be difficult

D. more air would be taken into their lungs

A one-seeded fruit in which the pericarp has fused with the seed coat is classified as

A. a berry

B. a caryopsis

C. a legume

D. an achene

Which of the following deficiencies is caused by lack of vitamin A

A. I

B. III

C. V

D. VI

Which of the following vitamins would correct the deficiency numbered V?

A. Vitamin K

B. Vitamin A

C. Vitamin C

D. Vitamin B