NURSING ANM AND GNM

NURSING EXAM QUESTIONS

NUTRITION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Organisms that cannot make their own food and must obtain energy from external sources are called
A
autotrophs
B
heterotrophs
C
thylakoids
D
plants
Explanation: 

Detailed explanation-1: -Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs. Heterotrophs occupy the second and third levels in a food chain, a sequence of organisms that provide energy and nutrients for other organisms.

Detailed explanation-2: -Some plants do not have chlorophyll and depend upon other plants for their food. Such plants exhibit a heterotrophic mode of nutrition and are known as heterotrophic plants. For eg., parasitic plants, insectivorous plants, symbiotic plants and saprophytic plants.

Detailed explanation-3: -Some organisms, such as plants, make their food from simple substances. They are called autotrophs, and the mode of nutrition is known as autotrophic nutrition. Organisms that depend on plants or autotrophs for food are called heterotrophs, and the mode of nutrition is known as heterotrophic nutrition.

There is 1 question to complete.