Tag: introduction to animal nutrition

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Multiple choice biology nutrition in animals introduction to animal nutrition food for life types of nutrition

Sundew is also known as 

  1. Dionaea

  2. Nepenthes

  3. Drosera

  4. Striga
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A. Dionaea, also called as venus fly trap is an insectivorous parasitic plant native to the USA.

B. Nepenthes is known as pitcher plant which has a pitcher like structure to trap insects. 
C. Drosera is known as sundew plant is insectivorous plants with mucilaginous substance covering the leaf surfaces that resemble drops of morning dew.
D. Striga is known as witchweed is also a parasitic plant native to Africa and Asia.
So, the correct answer 'Drosera'.

Multiple choice biology nutrition in animals introduction to animal nutrition food for life types of nutrition

A plant which manufactures its own food is

  1. Autotrophic

  2. Symbiotic

  3. Heterotrophic

  4. Saprophytic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A. The name autotroph is derived as "auto" means self and "troph" means feeding. so, the plants which can manufacture its own food are called as autotrophs. 

B. Symbiotic organisms are organisms which produce food by depending upon others for substances.
C. Heterotrophs are organisms which cannot produce their own food and depend on others for it.
D. Saprophytes are plants which obtain energy from dead and decaying matter.
So, the correct answer is 'Autotrophic'.

Multiple choice biology nutrition in animals introduction to animal nutrition food for life types of nutrition

A plant that prepares its own food is

  1. Autotroph

  2. Parasite

  3. Epiphyte

  4. Saprophyte
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Autotrophs are organisms, that can prepare their own food through the process of photosynthesis such as plants.
  • An epiphyte is used to refer to a plant, that grows on another plant but is not dependent on that plant for its nutrition. 
  • When an organism is nutritionally dependent on another organism, it is called parasitism. 
  • Saprophytes are organisms, that feed on dead organic matter.
  • Thus, option A is correct.
Multiple choice biology nutrition in animals introduction to animal nutrition food for life types of nutrition

Plants which are unable to prepare their food wholly or partially are

  1. Autophytes

  2. Heterotrophs

  3. Halophytes

  4. Holophytes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Heterotrophs are unable to prepare their food wholly or partially and obtained food from the plant, called herbivores and from other animals, called as carnivores. 
  • Autophytes are the plants that can manufacture their own food. Halophytes are plants that grow in extremely saline conditions. 
  • Holophytes are the organism that prepares their food by photosynthesis.
Multiple choice biology what do animals eat? introduction to animal nutrition food for life types of nutrition

Detritivores are the animals which obtain nutrients from the 

  1. Dead and decomposed matter in the soil

  2. Plants

  3. Animals

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A detritivore is a heterotrophic organism, which obtains its nutrition by feeding on detritus. Detritus is the organic matter made up of dead plant and animal material. So, the correct option is 'Dead and decomposed matter in the soil'.

Multiple choice biology what do animals eat? introduction to animal nutrition food for life types of nutrition

Various steps of human nutrition are in the order 

  1. Ingestion, egestion, digestion, absorption and assimilation

  2. Ingestion, egestion, assimilation, absorption and assimilation

  3. Ingestion, assimilation, digestion, absorption and egestion

  4. Ingestion, digestion, absorption, assimilation and egestion
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • There are five steps in the process of Nutrition in animals. 
  1. Ingestion: The process of taking in food into the body is called Ingestion.
  2. Digestion- It involves the break down of nutrients such as proteins into amino acids, carbohydrates into starch and fats into fatty acids and glycerol.
  3. Absorption- It involves the absorption of nutrients from the food by blood.
  4. Assimilation- It involves the process of transporting nutrients and water to all parts of the body by blood.
  5. Egestion- It involves the disposal of waste food out from the body. Hence, Various steps of human nutrition are in the order are  Ingestion, digestion, absorption, assimilation and egestion.
So, the correct answer is 'Ingestion, digestion, absorption, assimilation and egestion'.

Multiple choice biology what do animals eat? introduction to animal nutrition food for life types of nutrition

Which mode is used by snakes for taking food?

  1. Swallowing

  2. Chewing

  3. Sucking

  4. Biting
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Snakes are carnivores. They eat their food by mechanism of swallowing. it is the process that allows for a substance to pass from the mouth, to the pharynx and into esophagus. Swallowing is done by raking with the lower jaw until the prey is far enough back to be helped down by body undulations.
So, the correct answer is 'Swallowing'.