7. Which of the following statements is incorrect? 1.Cytoplasm is also known as protoplasm
2.Lysosomes are known as the suicidal bags
3.Mitochondria has its own DNA
4.All the above are incorrect​

all are correct statement of these question

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%