Question

Life Science:- Q1. Fill in the nlanks 1). Cell wall was discoverd by ________. 2. The main components of cell wall is _______. 3. Plastid is present in plant root _______. 4. _______is called the brain of the cell. 5. The longest cell of our body is ________. 6. _______ is the power house of the cell. 7. Genis are present within _______. 8. Electron mmicroscope was didiscovered by _______ and ________. 9. Mitrocondrea is ______ membrane oraganel. 10. The pigment that takes part in photosynsynthesis is ________. 11. Pigment that help in transport of oxygen and carbon dioxide in our body is ________. 12. _______ mosqutio is causes by malaria. 13. The virus is responsible for dengue is _________. 14. Sand flee spread the diseases _______. 15. The inner membrane of mytocondrea folds to form ________. 16. Golgi are formed from _______. 17. The number of chromosomes present in our cell is _______. 18. In plant cell vacules are _______ in size. 19. In bacteria ________ helps in respiration. 20. In the cells the stem in cactus _______ to store water. 21. The pigment present in our muscle is called ______. 22. The pigment responsible for colour of flower is ________. 23. Small pores present in the cell wall are called _______. 24. ________ tissue of our body help to maintain body temperature. 25. Exoskeleton of our body is formed by __________ tissue. 26. _______ bacteria can survive at upto 100°C temperature. 27. In fungi _________ is absent so they can't prepare their own food. 28. A diseases transmitted through blood is __________. 29. Example of a filamentus algae is ________. 30. E.coli bacteria is present in our __________. Question Answer:- Q1. State the full form of DNA? Q2. Who discovered first antibiotics? Q3. Which bacteria converts milk into curds? Q4. Which type of crop more water? Q5. Name two crops from we can get sugar? Q6. Name the process by which toxic substances are removed from our body? Q7. Which tissue help in food transport in the plants? Q8. Cells of which tissue of plants can divide? Q9. Which cell of your body don't have a definite shape? Q10. Which cells of retina of our eyes help to see colour? Q11. Which scientist first observed living cell? Q12. State the full form of AIDS? Q13. Which organ of our body helps in breathing? Q14. For treatment of which disease DOTS is used? Q15. What are the types of Hepatitis? Q16. Name two air borne disease? Q17. Which organ pumps blood in our body? Q18. In which microscope we see virus? Q19. Name two cell organals which don't have any membrane? Q20. What is the full form of SARS?​

Answer 1

Answer:

1. Robert Hooke

2. cellulose

3. Leucoplasts

4. Nucleus

5. nerve cell

6. mitochondria

7. golgli apparatus

8. Ernst Ruska,

Max Knoll,

Bodo von Borries

9.

10. chlorophyll

Explanation:

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Answer 2

Answer:

1. Robert Hooke
2. cellulose
3. leucoplasts
4. Nucleus
5. nerve cell
6. mitochondria
7. chromosomes
8. Ernst Ruska and max knoll
9. double membrane
10. chlorophyll

12.anopheles

Explanation:

I am in ninth class and I know much little more also but it's hard to write

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