Q2 - True.

Q3 - False. Plant cells also have one cell membrane, they just have an additional cell wall.

Q4 - False. All cells, regardless plant or animal, release energy through aerobic respiration.

Q5 - False. It takes a longer time to marinate the one piece of chicken on plate A because of its lower surface area to volume ratio.

Q6 - False. The red blood cell does not have a nucleus.

Q7 - False. Some sea slugs contain chloroplasts in their cells, to photosynthesise and make some of the food in their diet.

Q8 - False. They are biconcave in shape and not concave. There is a difference.

Q9 - False. Not all plant cells have chloroplasts. Some, like the root hair cell, do not have chloroplasts. They don't need chloroplasts as they are underground and will not have sunlight for photosynthesis.

Q10 - True.