Photosynthesis L1

Multiple Choice

Why is ATP considered essential for cellular activities?

• It stores and releases energy needed for cell functions.

• It acts as a structural component of cell membranes.

• It is responsible for cell division.

• It helps in the transport of oxygen in blood.

Multiple Choice

Which component is present in ATP but not in ADP?

• Adenine

• Ribose

• Third phosphate group

• Second phosphate group

Multiple Choice

What happens to ATP when a cell needs energy?

• It gains a phosphate group.

• It loses a phosphate group.

• It splits into adenine and ribose.

• It becomes a fully charged battery.

Multiple Select

Which of the following statements are correct about ATP and ADP?

• ATP has three phosphate groups, while ADP has two.

• Both ATP and ADP contain adenine and ribose.

• Energy is released when ATP loses a phosphate group.

• ADP can be converted to ATP by adding a phosphate group.

Multiple Choice

Which bond of the ATP molecule is broken in order to release energy?

• A
• B
• C
• D

Fill in the Blanks

Cells convert the energy of sunlight into chemical energy stored in the bonds of

during photosynthesis.

Multiple Choice

How does ATP benefit cells in living organisms?

• It provides energy for cellular processes.

• It stores genetic information.

• It acts as a structural component of the cell membrane.

• It transports oxygen in the blood.

Multiple Choice

Which of the following best describes the difference between autotrophs and heterotrophs?

• Autotrophs make their own food, while heterotrophs consume other living things for food.

• Autotrophs consume other living things for food, while heterotrophs make their own food.

• Both autotrophs and heterotrophs make their own food.

• Both autotrophs and heterotrophs consume other living things for food.