Cell: Basic unit of life ( Quiz for NDA/CDS )

Biology Quiz - Cell Structure

1. Which of the following organisms does not obey the 'cell theory'?

Virus Fungi Bacteria Plants

2. The nucleic acid in a cell was discovered by?

E Strasburger F Miescher A Kossel Huxley

3. The 'cell theory' for organisms was proposed by?

Purkinje and Von Mohl Schleiden and Schwann Carolus Linnaeus Felix Dujardin

4. The fact that new cells arise from pre-existing cells was proposed by?

JE Purkinje R Virchow F Dujardin E Abbe

5. The scientist who first recognised and named the nucleus was?

Robert Hooke Robert Brown Theodore Schwann Thomas Morgan

6. Which of the following is a physical basis of life?

Mitochondria Protoplasm Ribosome Nucleus

7. The bacteria were discovered by which of the following person?

H Urey E Haeckel AV Leeuwenhoek Ivanowski

8. The term 'Meiosis' is coined by?

Fleming Blackmann Liebig Farmer and Moore

9. The physical basis of life protoplasm was named by?

Purkinje Robert brown J Huxley Sherington

10. Which of the following is not present in prokaryotes?

Ribosomes Nuclear membrane Cell wall Plasma membrane

11. Which one among the following is known as 'animal starch'?

Cellulose Pectin Glycogen Chitin

12. Which cell organelles are common in both plant and animal cells? 1. Mitochondria 2. Plastids 3. Ribosome

Only 2 1 and 2 1 and 3 All of the above

13. Rigidity of cell wall is due to?

chitin suberin lignin pectin

14. The plasma membrane of animal cells is highly elastic. It is mainly due to the presence of?

carbohydrates proteins lipids nucleic acids

15. The secretory product pectin of cell wall is chemically a?

protein carbohydrate lipid nucleic acid

16. Chromosomes are?

present only in the nucleus of a cell the largest in number in human cells made up of DNA as a main component visible in all cells at every time

17. Which statement about Endoplasmic Reticulum is correct? 1. Called 'skeleton of cell' 2. Divided into three types 3. Smooth ER is rich in protein secreting cells

Only 1 1 and 2 2 and 3 Only 3

18. Match the cell organelles with their common names: Ribosome, Lysosome, Mitochondria, Nucleus

Protein factory, Suicidal bags, Power house, Controller Suicidal bags, Protein factory, Power house, Controller Power house, Suicidal bags, Protein factory, Controller Protein factory, Power house, Suicidal bags, Controller

19. Which cell organelle functions as the powerhouse of a living cell?

Chloroplast Ribosomes Mitochondria Golgi apparatus

20. Which is the smallest membrane bound organelle?

Ribosome Lysosome Golgi bodies Nucleolus

21. Degradation of dead or damaged organelles is mainly performed by?

ribosomes peroxisomes lysosomes glyoxysomes

22. Which statements about Cortical granules are correct? 1. Originate from Golgi bodies 2. Form fertilisation membrane 3. Found only in ovum

Only 2 2 and 3 1 and 3 All of these

23. Which statements about Lysosomes are correct? 1. Have hydrolytic enzymes 2. Are autophagic 3. Can dissolve proteins, lipids, carbohydrates 4. All lysosomes are same

Only 1 1, 2 and 3 1 and 2 All of these

24. Which statements about Chloroplast are correct? 1. Called 'cell within a cell' 2. Largest organelle in plant cells 3. Have single-stranded DNA

Only 2 1 and 3 1 and 2 All of these

25. Which pair of organelles is mainly concerned with fatty acid metabolism?

Ribosomes and nucleus Lysosomes and mitochondria Peroxisomes and mitochondria Glyoxysomes and peroxisomes

26. DNA is mainly found in which organelles? 1. Mitochondria 2. Chloroplasts 3. Peroxisomes 4. Nucleus

2 and 4 1, 2 and 4 2, 3 and 4 All of these

27. Which organelle is found in cells very active in protein synthesis?

Mitochondria Chloroplast Lysosome Ribosome

28. Which organelles are concerned with photorespiration? 1. Chloroplast 2. Mitochondria 3. Peroxisome

Only 3 2 and 3 1 and 2 All of these

29. Number of chromosomes in Drosophila is?

eight twelve ten fourteen

30. How many linkage groups are present in man?

46 23 48 10

31. Which phase is the longest in meiotic cell division?

Anaphase-II Telophase-I Prophase-I Metaphase-I

32. What is the correct sequence of cell division phases?

Prophase, Anaphase, Metaphase, Telophase Prophase, Metaphase, Anaphase, Telophase Anaphase, Prophase, Metaphase, Telophase Prophase, Telophase, Anaphase, Metaphase

33. Chromosomes are best seen in which phase?

telophase metaphase anaphase prophase

34. Which type of division occurs in cleavage?

Amitotic Meiotic Mitotic Both meiotic and mitotic

35. In which cell division does crossing over occur?

Mitosis Amitosis Meiosis Cytokinesis

36. What is the correct order of phases in prophase-I?

Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis Leptotene, Diakinesis, Pachytene, Diplotene, Zygotene Diakinesis, Pachytene, Diplotene, Zygotene, Leptotene Zygotene, Leptotene, Pachytene, Diplotene, Diakinesis

37. Which stage is associated with chiasmata formation?

Leptotene Pachytene Zygotene Diplotene

38. Which organisms have peptidoglycan in cell wall?

Bacteria and cyanobacteria Bacteria and unicellular eukaryote Archaebacteria and eukaryote All members of Monera and Protista

39. Which term describes failure of meiosis-II after meiosis-I?

Brachymeiosis Dinomitosis Dimunition Karyokinesis

40. Which organelle other than nucleus contains DNA?

Endoplasmic reticulum Golgi apparatus Lysosome Mitochondria

41. Which parts are found in both plant and animal cells?

Cell membrane, chloroplast, vacuole Cell wall, nucleus, vacuole Cell membrane, cytoplasm, nucleus Cell wall, chloroplast, cytoplasm

42. Which statement is correct?

Prokaryotic cells possess nucleus Cell membrane is present in both plant and animal cells Mitochondria and chloroplasts are not found in eukaryotic cells Ribosomes are present in eukaryotic cells only

43. Protoplasm is composed of?

only cytoplasm cytoplasm and nucleoplasm only nucleoplasm cytoplasm, nucleoplasm and other organelles