Nutrition in Plants

What is the mode of nutrition called in which organisms make food themselves from simple substances?

• Autotrophic nutrition

• Heterotrophic nutrition

• Parasitic nutrition

• Saprophytic nutrition

Refer to Fig. 1.3 Diagram showing photosynthesis. Which of the following is NOT required for photosynthesis?

• Sunlight

• Carbon dioxide

• Oxygen

• Water and minerals

Cuscuta is called a parasite. Are humans and other animals also considered parasites?

• No, humans and most animals are not parasites because they do not live off other organisms in the same way as Cuscuta.

• Yes, all animals are parasites because they depend on other organisms for food.

• Only humans are parasites because they use resources from nature.

• All plants and animals are parasites.

Fungi can't make their own food like green plants because:

• they do not have chlorophyll

• they have roots instead of leaves

• they live only in water

• they do not need food to survive

The term 'Autotrophic' refers to:

• Organisms that produce their own food

• Organisms that feed on other organisms

• Organisms that live in water

• Organisms that require sunlight to survive

Chlorophyll is a green pigment present in plants that absorbs light energy for which process?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Organisms that depend on others for their nutrition are called:

• Heterotrophs

• Autotrophs

• Producers

• Decomposers

A 'Host' in biological terms is:

• an organism that harbors another organism, such as a parasite

• a type of virus that infects bacteria

• a cell that produces antibodies

• a chemical that kills bacteria

'Insectivorous' refers to something that:

• Eats insects

• Lives in water

• Flies at night

• Has colorful wings

A ______ is an organism that lives on or in a host and gets its food from or at the expense of its host.

• parasite

• predator

• producer

• scavenger