Autotrophic and Heterotrophic organisms MCQs with Answers

Autotrophic and Heterotrophic organisms MCQs

Hello students! Today’s topic is autotroph and heterotroph organisms. The autotroph members are also known as producer in which an organism can do self-feed. The word autotroph is derived from the Greek word in which auto means self and troph means nourishing. On the other hand, heterotroph is also derived from the Greek word where Hetero means different and troph means nutrition. The autotrophs get their energy by the photosynthesis process and the heterotrophs gets energy by eating other plants or simply they are dependent on the other animals and plants.

For more knowledge please read following MCQs which are on Autotrophs and heterotrophs.

MCQ.1): Which of the following organisms can make their own food with the help of carbon dioxide, water and sunlight?

a) Autotrophs

b) Heterotrophs

c) Producer

d) Both a) and c)

MCQ.2): An organism who cannot make their food and are dependent on the other organisms are called as ……………………………….

a) Producers

b) Autotrophs

c) Consumers

d) None of them

MCQ. 3):The plants, blue-green algae, some prokaryotes are the examples of ………………………….

a) Animals

b) Fishes

c) Autotrophs

d) Fungus

MCQ.4): In the photosynthesis process, plants use light energy to convert water and CO2 into …………………………. And ……………………………..

a) Carbon dioxide and oxygen

b) Water and oxygen

c) Carbohydrates and water

d) Oxygen and Carbohydrates

MCQ.5): In the photosynthesis process of plants, the sunlight is absorbed by the ……………………………….

a)Oxygen

b) Chlorophyll

c) Nucleus

d) Water

MCQ.6): The plants do absorption of Carbon dioxide from the ………….. Andwater from the …………………….

a) Air

b) Bacteria

c) Soil

d) Both a) and c)

MCQ.7): Which of the following is needed to the organisms or plants for the production of Sugar and oxygen?

a) Light

b) Water

c) Carbon dioxide

d) All of them

MCQ.8):Which of the following is the correct formula of photosynthesis process in the autotrophic organisms?

a) 6 CO2 + 6 H2O C6H12O6 + 6 O2

b) 4 CO2 + 6 H2O C6H12O6 + 4 O2

c)6 CO2 + 3 H2O             C6H12O6 + 3 O2

d)6 CO2 + 2 H2O             C6H12O6 + 2 O2

MCQ.9):  In the organisms, heterotrophic mode of nutrition could be ……………………………………….

a) Parasitic

b) Saprophytic

c) Symbiotic

d) All of them

MCQ.10): When the plants like Amarbell can grow on the other plant to obtain nutrition from that plant, then it is ……………………… type of nutrition.

a) Parasitic nutrition

b) Insectivorous nutrition

c) Symbiotic nutrition

d) Saprophytic nutrition

MCQ.11):The plants which are consuming the nutrients by trapping animals and mainly insects, are called as …………………………..

a) Symbiosis

b) Insectivorous plants

c) Green plants

d) Parasitic plants

 

Answer

1) d) Both a) and c)

2) c) Consumers

3) c) Autotrophs

4) d) Oxygen and Carbohydrates

5) b) Chlorophyll

6) d) Both a) and c)

7) d) All of them

8) a) 6 CO2 + 6 H2O             C6H12O6 + 6 O2

9) d) All of them

10) a) Parasitic nutrition

11) b) Insectivorous plants


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