Autotrophic and Heterotrophic Mode of Nutrition

Q.

Green plants are called ___ since they synthesise their own food.

Q.

Which of the following is an insectivorous plant?

1. Mistletoe

2. Lotus

3. Pitcher Plant

4. Dodder

Q.

Following image illustrates a yellow thread like plant. What is the mode of nutrition and what is its name?

1. Parasitic, Cuscuta (Amarbel)

2. Symbiotic, Cuscuta (Amarbel)

3. Carnivorous, Sundew

4. Symbiotic, Sundew

Q. The mode of nutrition in which organisms make food by themselves is known as ____ nutrition.

1. parasitic
2. autotrophic
3. saprotrophic
4. heterotrophic

Q. A plant which obtains nutrition from the host and deprives it of its valuable nutrients is called a ________ .

1. Heterotroph
2. Autotroph
3. Saprophyte
4. Parasite

Q.

In the depths of the Pacific and Atlantic Oceans, there exist hydrothermal vents that throw out toxic sulfur chemicals like Hydrogen sulfide and super hot water into the ocean. Some bacteria use these compounds to make their own food and store energy. The heat and sulfur compounds are generated by hot molten rock under the earth’s crust.

What kind of organisms are these bacteria?

1. Autotrophs

2. Heterotrophs

3. Saprotrophs

4. Decomposers

Q. The mode of nutrition in plants is:

1. Autotrophic
2. Heterotrophic
3. Saprophytic
4. Parasitic

Q.

Organisms that are dependent on food prepared by plants are called ___________.

1. autotrophs

2. heterotrophs

3. neutrotrophs

4. saprotrophs

Q. Mode of nutrition in fungi is

1. Autotrophic
2. Parasitic
3. Heterotrophic
4. Saprophytic

Q.

Algae can prepare their own food by photosynthesis.

1. True

2. False