Question

1. what is the main purpose of photosynthesis?

a) to break down food for energy
b) to make glucose using sunlight
c) to produce lactic acid
d) to absorb oxygen

1. which organelle is responsible for cellular respiration?

a) chloroplast
b) nucleus
c) mitochondrion
d) ribosome

Explanation:

1. Photosynthesis is the process by which plants, algae, and some bacteria use sunlight, carbon - dioxide, and water to produce glucose and oxygen. Glucose serves as an energy - storing molecule. Breaking down food for energy is cellular respiration, lactic acid is produced in anaerobic respiration in some cells, and absorbing oxygen is part of respiration, not photosynthesis.
2. Mitochondria are the powerhouses of the cell and are responsible for cellular respiration, which is the process of breaking down glucose to produce ATP (energy). Chloroplasts are for photosynthesis, the nucleus contains genetic material, and ribosomes are for protein synthesis.

Answer:

1. B. To make glucose using sunlight
2. C. Mitochondrion