7th Grade > Biology
NUTRITION IN ANIMALS MCQs
Total Questions : 115
| Page 9 of 12 pages
Answer: Option A. ->
True
:
A
:
A
Digestive juices convert complex substances in food into simpler ones. Saliva contains the enzyme amylase which is capable of breaking down starch into simpler sugars such as maltose.
Answer: Option A. ->
True
:
A
∙ Salivary glands, liver and pancreas secrete digestive juices which convert complex substances of food into simpler ones.
∙ For example, saliva contains the enzyme amylase, which is capable of breaking down starch into simpler sugars.
∙ The digestive juices also turns food into smooth porridge called called chyme.
:
A
∙ Salivary glands, liver and pancreas secrete digestive juices which convert complex substances of food into simpler ones.
∙ For example, saliva contains the enzyme amylase, which is capable of breaking down starch into simpler sugars.
∙ The digestive juices also turns food into smooth porridge called called chyme.
Answer: Option A. ->
milk teeth
:
A
:
A
Milk teeth or deciduous teeth are the first set of teeth that grow in the growth and development stage of human beings. They are usually lost or broken and replaced by the permanent teeth.
Answer: Option A. ->
Salivary glands
:
A, B, and C
Salivary glands, liver and pancreas secrete digestive juices that help in breakdown of complex food substances into simpler ones. For example, the liver has multiple functions, but its main function within the digestive system is to process the nutrients absorbed from the small intestine. Bile secreted from liver into the small intestine also plays an important role in digesting fats.
:
A, B, and C
Salivary glands, liver and pancreas secrete digestive juices that help in breakdown of complex food substances into simpler ones. For example, the liver has multiple functions, but its main function within the digestive system is to process the nutrients absorbed from the small intestine. Bile secreted from liver into the small intestine also plays an important role in digesting fats.
Answer: Option B. ->
oesophagus
:
B
:
B
The process of taking in food is called ingestion. After ingestion, the food is chewed and broken down in the mouth. This food then passes through a hollow muscular tube-like structure called the oesophagus. Oesophagus shows rhythmic contraction and relaxation called peristalsis which helps to push the food (bolus) in forward direction towards the stomach.
Answer: Option B. ->
heterotrophic
:
B
:
B
The mode of nutrition in human beings is hetrotrophic. An organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter are called heterotrophs. All animals, protozoans, fungi, and most bacteria are hetrotrophs.
Answer: Option A. ->
Swallowing
:
A
A python captures and swallows it's prey directly without chewing it. The food is then digested in the stomach.
:
A
A python captures and swallows it's prey directly without chewing it. The food is then digested in the stomach.
Answer: Option C. ->
ingestion
:
C
Ingestion is a process where food is taken in through the mouth and broken down by teeth and saliva. Ingestion is the first step in the process of digestion.
:
C
Ingestion is a process where food is taken in through the mouth and broken down by teeth and saliva. Ingestion is the first step in the process of digestion.
Answer: Option B. ->
nutrition
:
B
:
B
Nutrition is the process of taking in food and utilising it in the body to generate energy. Nutrition is important for growth, maintenance, reproduction and other important body functions.
Answer: Option B. ->
Licking
:
B
:
B
Hummingbirds take in food by licking. A hummingbird licks nectar up, like a dog lapping at a bowl of water. It can lick 10-15 times per second while feeding.
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