Photosynthesis and Nutrition Concepts

The video tutorial covers the essential life processes that organisms perform to sustain life, focusing on nutrition, both autotrophic and heterotrophic. It explains how energy is obtained from food and the significance of photosynthesis in plants. The tutorial also outlines the learning objectives, including defining life processes, understanding nutrition, and exploring photosynthesis. Key concepts such as movement, respiration, and growth are discussed, along with the importance of autotrophic and heterotrophic nutrition.

What is the primary source of energy for life processes?

• Oxygen

• Food

• Sunlight

• Water

Which life process involves the removal of waste materials from the body?

• Nutrition

• Transportation

• Respiration

• Excretion

What is the simplest form of food that provides instant energy?

• Fats

• Proteins

• Vitamins

• Glucose

Which organisms are capable of making their own food using sunlight?

• Fungi

• Animals

• Green plants

• Bacteria

What pigment is responsible for trapping sunlight in autotrophic organisms?

• Carotene

• Xanthophyll

• Chlorophyll

• Anthocyanin

Which type of nutrition involves obtaining food from decaying organic matter?

• Parasitic

• Holozoic

• Autotrophic

• Saprophytic

What is the process called where water is split into hydrogen and oxygen during photosynthesis?

• Osmosis

• Electrolysis

• Photolysis

• Hydrolysis

Which type of heterotrophic nutrition involves an organism living on or in another organism?

• Holozoic

• Saprophytic

• Parasitic

• Autotrophic

What is the role of guard cells in the process of photosynthesis?

• Absorbing sunlight

• Producing glucose

• Transporting water

• Opening and closing stomata

Which of the following is NOT a phase of photosynthesis?

• Glycolysis

• Dark reactions

• Calvin cycle

• Light-dependent reactions