Tag: bio-chemistry

Quizzes (82) Questions (1918)

Questions Related to bio-chemistry

Multiple choice bio-chemistry digestive system of human digestive system - organs process of digestion coordination in the process of digestion


The sweet taste buds on the tongue are located at

  1. tip

  2. root

  3. middle

  4. between root and middle
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The taste buds for sweet are on the tip of the tongue the salt taste buds are on either side of the front of the tongue. Sour taste buds are behind this and bitter taste buds are at the posterior end

So, the correct answer is 'tip'

Multiple choice bio-chemistry digestive system of human digestive system - organs process of digestion coordination in the process of digestion

How many structures are found in abdominal cavity of male among following structures. Epididymis, Rate testis, Ampulla of vas deferens, Fallopian tube, Prostate gland, Seminal vesicle, Round ligament, Ureter, Membranous urethra.

  1. $2$
  2. $3$
  3. $4$
  4. $5$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ampulla of vas deferens, seminal vesicle, prostate gland are the structures found in the abdominal cavity of male.

So, the correct option is '3'.

Multiple choice bio-chemistry coordination in life processes digestive system - organs process of digestion coordination in the process of digestion

Digestion of starch starts in the stomach.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Digestion of starch starts from the mouth. The salivary gland in the mouth secretes saliva, which mixes with the food that is chewed. This is because to moisten the food. The saliva in the mouth contains the enzyme called amylase that is the starch-digesting enzyme.

So, the correct answer is option B.

Multiple choice bio-chemistry coordination in life processes digestive system - organs process of digestion coordination in the process of digestion

J-shaped muscular bag that churns the food is 

  1. Small intestine

  2. Stomach

  3. Large intestine

  4. Oesophagus

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stomach: It is a muscular J- shaped thickly walled bag. Stomach churns the food to mix digestive juices. The food in the stomach is churned into semi-solid. The churned semi-solid food is called chime.

So, the correct answer is 'Stomach'.

Multiple choice bio-chemistry coordination in life processes digestive system - organs process of digestion coordination in the process of digestion

A muscular structure that regulates the opening of the oesophagus into the stomach is known as

  1. Epiglottis

  2. Lower esophagus sphincter

  3. Pyloric sphincter

  4. Sphincter of Oddi
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
A. The epiglottis is a leaf-shaped cartilaginous flap located behind the tongue. It prevents the entry of food in the windpipe by sealing off the windpipe while eating the food.
B. Lower oesophagus sphincter, also known as a cardiac orifice, is the opening of the oesophagus into the stomach. It regulates the opening of the oesophagus into the stomach.
C. Pyloric sphincter is found between the duodenum and posterior stomach. It regulates the opening of the duodenum into the stomach.
D. Sphincter of Oddi is the opening of the hepatopancreatic duct into the duodenum.
So, the correct answer is 'Lower oesophagus sphincter'.