Science Practice Quiz 148

Q1.In cells, glucose breaks down with the help of oxygen to release energy, producing which byproducts?

A. Fatty acids and glycerol B. Amino acids and proteins C. Carbon dioxide and water D. Simple sugars and enzymes

Q2.Compared to the small intestine, how is the large intestine described in the text?

A. Longer and narrower B. Wider and shorter C. Wider and longer D. Narrower and shorter

Q3.What is the approximate length of the large intestine mentioned in the text?

A. About 2.5 metres B. About 1.5 metres C. About 0.5 metres D. About 3.0 metres

Q4.What is the primary function of the large intestine?

A. To complete the digestion of carbohydrates. B. To absorb water and some salts from undigested food material. C. To absorb digested food into the bloodstream. D. To store digestive enzymes.

Q5.What is the process of removing faecal matter through the anus called?

A. Absorption B. Assimilation C. Egestion D. Digestion

Q6.In grass-eating animals like cows and buffaloes, where is the quickly swallowed grass stored?

A. Small intestine B. Large intestine C. Rectum D. Rumen

Q7.Why are humans unable to digest cellulose?

A. Humans lack a rumen. B. Humans lack the specific bacteria required for cellulose digestion. C. Humans have a different type of digestive system. D. Humans do not consume cellulose-rich food.

Q8.In animals like horses and rabbits, where is cellulose primarily digested?

A. Stomach B. Small Intestine C. Caecum D. Oesophagus

Q9.What is the process called when partially digested food (cud) returns to the mouth in small lumps for re-chewing by certain animals?

A. Ingestion B. Assimilation C. Rumination D. Egestion

Q10.Which of the following is a characteristic feature of Amoeba?

A. It is a multicellular organism. B. It possesses a fixed shape and position. C. It is found exclusively in marine environments. D. It constantly changes its shape and position.

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Science Practice Quiz 148