Skip to content Home Questions Play Progress Daily Challenge Questions › Biology Questions QUESTION To get relief from constipation, which of the following is prescribed to be eaten in large amounts? Open question → QUESTION What is the main role of teeth in the process of digestion in humans? Open question → QUESTION Consider the following statements regarding saliva in the human digestive system: I. Saliva is secreted by the pituitary gland. II. Saliva contains an enzyme… Open question → QUESTION In the human digestive system, which organ is mainly responsible for absorbing most of the water from undigested food? Open question → QUESTION From which organ does lymph transport absorbed fats after digestion and also return excess interstitial fluid to the bloodstream? Open question → QUESTION What is the name of the food pipe that carries food from the mouth to the stomach in the human digestive system? Open question → QUESTION Consider the following statements related to the human digestive system: 1. Bile helps in fat digestion by emulsification and does not contain digestive enzymes.… Open question → QUESTION Which structures in the upper respiratory tract help filter out dust, germs, and other harmful particles from the air we breathe? Open question → QUESTION In humans, carbon dioxide produced in body tissues is transported to the lungs mainly through which medium? Open question → QUESTION When air enters the human respiratory system, how is it filtered at the initial stage? Open question → QUESTION Identify the true statements regarding aerobic respiration in eukaryotic cells: 1. Glycolysis happens in the mitochondria. 2. Krebs cycle occurs in the mitochondria. 3.… Open question → QUESTION The production of the hormone thyroxine by the human thyroid gland depends on the adequate availability of which mineral element? Open question → QUESTION Which of the following glands of the human body is situated in the lowest region of the body? Open question → QUESTION Which of the following endocrine glands is responsible for the secretion of the hormone adrenaline in the animal body? Open question → QUESTION What is a leaf - shaped flap of cartilage located behind the tongue, at the top of the larynx or voice box called? Open question → QUESTION ______glands release tears from our eyes. Open question → QUESTION Which gland produces Cortisol often known as a 'stress hormone' in humans? Open question → QUESTION Proboscis gland for excretion is present in the phylum: Open question → QUESTION Consider the following statements about the human body: 1. The hypothalamus is a type of exocrine gland. 2. It regulates body temperature, hunger, thirst,… Open question → QUESTION Which biological process is responsible for removing harmful metabolic wastes from the body? Open question → QUESTION In humans, the removal of soluble nitrogenous wastes from the blood in the kidneys is carried out by which structure? Open question → QUESTION In the human excretory system, where is urine temporarily stored before it is expelled from the body? Open question → QUESTION During urine formation in the human kidney, which of the following substances are selectively reabsorbed from the initial filtrate? I. Glucose II. Amino acids Open question → QUESTION Which of the following organs are parts of the human excretory system? I. A pair of ureters II. A urethra III. A pair of… Open question → Home Questions Play Progress 