Autotrophic and Heterotrophic Mode of Nutrition

Q.

Which of the following is an insectivorous plant?

1. Mistletoe

2. Lotus

3. Dodder

4. Pitcher Plant

Q.

Hi, wanted to know if Venus flytrap and the pitcher plants are autotrophs or heterotrophs? Because they can prepare there own food

Q.

What are the conditions necessary for autotrophic nutrition?

1. Carbon dioxide

2. Sunlight

3. Water

4. Chlorophyll

Q.

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

Q.

Why do organisms need to take food?

Q.

Which of the following statements is/are correct? [3 MARKS]
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.

Q. Question 3
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:

(a) (i) and (iv)
(b) (ii) only
(c) (ii) and (iii)
(d)(i) and (ii)

Q.

Define the following.
Nutrition

Q.

How can we classify plants based on their mode of nutrition? Explain. (3 marks)

Q.

Distinguish between-

Autotrophic and Heterotrophic nutrition.

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. Heterotrophs

2. Saprotrophs

3. Autotrophs

4. Decomposers

Q.

Which of the following plants depicted in the image will provide oxygen rich air during the day?

1. 

2. 

3. 

4. 

Q. Life exists in

1. The depths of the ocean
2. Frigid poles of the Earth
3. Human Gut
4. All of these

Q. Mode of nutrition in fungi is

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

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.

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

1. autotrophs

2. heterotrophs

3. neutrotrophs

4. saprotrophs