Tag: digestion of food

Questions Related to digestion of food

Multiple choice evs digestion of food diseases caused by changes in lifestyle nutrition deficiency diseases study of ecological pyramids

Which one of the following is not used for construction of ecological pyramids?

  1. Number of individuals

  2. Rate of energy flow

  3. Fresh weight

  4. Dry weight

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

Fresh weight of organisms and their body parts comprises of water content along with the actual dry weight. The fresh weight is deviating w.r.t metabolism and availability in the same organism or different organisms taken under observation. This makes the standard comparison difficult. Hence, fresh weight is not used for the construction of the ecological pyramid.

So, the correct option is 'Fresh weight'.

Multiple choice evs digestion of food diseases caused by changes in lifestyle nutrition deficiency diseases study of ecological pyramids

Maintaining ecological balance in future will mainly depend on :

  1. nature's own process of changes and interaction

  2. adaptation of all living species to changes in climate

  3. man's caution and ability to allow nature's own balance to continue

  4. man's ability to maintain and develop species according to his needs.

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

Maintaining ecological balance requires human intervention and restraint to prevent the disruption of natural systems, as human activity is the primary driver of current imbalances.

Multiple choice evs digestion of food types of ecological pyramids the muscular system and digestive system in human beings introduction to human digestive system

Find the odd out and state category of rest ;

  1. Thymine, Cytosine, Adenine, Pepsin

  2. Cortisone , Somatotropin, Adrenocorticotropic hormone, Vasopressin

  3. Cerebrum, Cerebellum, Thalamus, Hypothalamus

  4. Urea, Creatinine, Ammonia, Uric acid

  5. Neutrophils, Eosinophils, Basophils, Lymphocytes

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

(A)Pepsin is not a nitrogenous base.

(B)Cortisone, Somatotropin, Adrenocorticotropic, Vasopressin are all hormones.
(C)Cerebrum, Cerebellum, Thalamus, Hypothalamus are all parts of the brain.
(D)Urea, Creatinine, Ammonium, Uric acid are all nitrogen-based products.
(E)Neutrophils, Eosinophils, Basophils, Lymphocytes are all compounds of blood cells.
Thus, the correct answer is 'Thymine, Cytosine, Adenine, Pepsin.'

Multiple choice evs digestion of food types of ecological pyramids the muscular system and digestive system in human beings introduction to human digestive system

The undigested, semisolid food is called 

  1. Anus

  2. Faeces

  3. Rectum

  4. Villi

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • The human digestive system consists of a long muscular tube and several accessory organs such as the salivary glands, pancreas and gall bladder.
  •  It is responsible for food ingestion and digestion, absorption of digestion products and the elimination of undigested materials. 
  • Undigested semi-solid food remaining in the large intestine is called faeces which are eliminated through the anus.
Hence, The undigested, semisolid food is called faeces.
So, the correct answer is 'faeces'.
Multiple choice evs digestion of food types of ecological pyramids the muscular system and digestive system in human beings introduction to human digestive system

The longest part of the alimentary canal is 

  1. Oesophagus

  2. Large intestine

  3. Small intestine

  4. Stomach

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

  • The alimentary canal includes the mouth, pharynx, oesophagus, stomach, small intestine, large intestine, and anus.
  • The longest part of the alimentary canal is small intestine because it is the main organ of absorption and digestion of food. 
  • The surface area of the small intestine gets increased because of the presence of villi which gives food plenty of time to break down properly. Hence, the longest part of the alimentary canal is a small intestine.  
So, the correct answer is 'Small intestine'.

Multiple choice evs digestion of food types of ecological pyramids the muscular system and digestive system in human beings introduction to human digestive system

Stomach secretes

  1. Dilute hydrochloric acid

  2. Dilute sulphuric acid

  3. Dilute citric acid

  4. Dilute nitric acid

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Parietal cells in the stomach contain an extensive secretory network from which the dilute hydrochloric acid is secreted into the lumen of the stomach.
  •  This dilute Hydrochloric acid activates pepsinogen into the enzyme pepsin, which then helps digestion by breaking the bonds linking amino acids, a process known as proteolysis. Hence, Stomach secretes Dilute hydrochloric acid'
So, the correct answer is 'Dilute hydrochloric acid'.
Multiple choice evs digestion of food types of ecological pyramids the muscular system and digestive system in human beings introduction to human digestive system

Bile is secreted by 

  1. Stomach

  2. Small intestine

  3. Pancreas

  4. Liver

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

  • Bile  is a dark green to yellowish brown fluid, produced by the liver of most vertebrates, that helps in the digestion of lipids in the small intestine.
  •  In humans, bile is produced continuously by the liver, and stored and concentrated in the gallbladder. Hence, Bile is secreted by the liver.
So, the correct answer is 'liver'.