Biology

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

A. Thoracic B. Lumbar C. Cervical D. Sacral Correct Answer: Option A A. Thoracic

6 years ago

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…

6 years ago

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 Correct Answer: Option C C. cochlea

6 years ago

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…

6 years ago

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…

6 years ago

An organism which maintains a constant temperature irrespective of environmental temperature fluctuation is?

A. an insect B. a mammal C. an amphibian D. a fish Correct Answer: Option B B. a mammal

6 years ago

Which of the following substances is not an excretory product in mammals?

A. Carbon dioxide B. Water C. Faeces D. Urea Correct Answer: Option C C. Faeces Explanation Faeces is discharged through…

6 years ago

The ventricles of the mammalian heart have thicker muscular walls than the auricles because the?

A. ventricles are larger B. ventricles receive more blood C. ventricles pump blood to longer distances D. auricles have smaller…

6 years ago

Which of the following organs in mammals is not excretory in function?

A. Liver B. Kidney C. Pancreas D. Lungs Correct Answer: Option C C. Pancreas

6 years ago

Gaseous exchange occurs through the following structures in some organisms except?

A. spiracle and tracheae B. alveoli and lungs C. stomata and lenticels D. chloroplast and plastids Correct Answer: Option D…

6 years ago