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APPENDIX-II IX STANDARD SCIENCE PART-2 (BIOLOGY) ACHIEVEMENT TEST QUESTION BOOKLET 1. The animals which possess backbones are a. Insects b. Birds c. Earthworms d. Starfish 2. Animals without backbone are called a. Chordates . b. Vertebrates c. Metazoans d. Invertebrates 3. A group of cells having common origin and structure, performing similar functions is a. Tissue b. Muscle c. Blood d. Nerves 4. Porifera means a. Pore bearing animals b. Sponges c. Aquatic animals d. Multicellular 5. The body of the sponge encloses a large central cavity a. Porocytes c. Amoebocyte b.Spongocoel d. Osculum 6. The internal skeleton in the form of crystalline structures in sponges a. Spikes c. Spicules b. Needles d. Pinacytes 296 7. The fibrous skeleton of sponges is used for the purpose of a. Bathing and washing b. Decorative c. Fodder d. Wedding presents 8. The animals with hallow gastro-vascular cavity a. Coelenterata b. Porifera c. Annelida d. Arthropoda 9. The body wall is composed of two layers 10. a. Diploblastic b. Triploblastic c. Coelenteron d. Cnidoblast The tentacles contain stinging cells which are helpful for a. Movement b. Digestion c. Capturing the prey as food d. Circulation 11. 12. 13. In hydra asexual reproduction occurs by a. Flagellated cell b. Budding c. Gemmules d. Gametes The body wall in flat worms is composed of a. Hallow cavity b. Two layers c. Three layers d. None of these In platyhelminthes, special structures like hooks and suckers help to a. Attach to the host and to obtain food b. Circulation c. Respiration d. Digestion 297 14. Platyhelminthes excretory system consists of a special type of cells 15. 16. 17. 18. a. Waste cells b. Flame cells c. Excretory cells d. None of these The worms with round body a. Porifera b. Platyhelminthes c. Aschelminthes d. Annelida In annelida chitinous serves as a. Respiratory organs b. Loeomotory organs c. Circulatory organs d. Digestive organs Setae are found in a. Nereis b. Earthworms c. Leech d. Ascaris The body cavity of the annelida that exists between the body wall and the digestive tube 19. 20. a. Pseudocoel b. Coelom c. Metamere d. Segmentation Excretory organs in annelida a. Nephridia b. Flame cells c. Ciliated cells d. Excretory cells In earlier days doctors used leeches to suck impure blood from the wounds. Now this system used in medical field has the name a. Annelida b. Hemantin c. Glaucoma d. Phlebotomy 298 21. 22. 23. Farmers’ friends are a. Soil worms b. Leech c. Earthworms d. Nereis The invertebrates inter jointed appendages are found in a. Echinoderms b. Molluscs c. Arthropods d. Annelids In arthropoda, coelom is reduced and the body cavity is filled with blood is called 24. 25. 26. a. Dorsal heart b. Pseudocoel c. Haemocoel d. Blood cavity Ants are good guides to human beings with regard to a. Social care b. Social nature c. Social status d. Social life The animals with soft body a. Mollusca b. Arthropoda c. Annelida d. Porifera Respiration takes place through the special structures in mollusca *27. a. Radula b. Ctenidia c. Sepia d. Gills Octopus is one of the largest invertebrate. It gets the name because of the presence of......long arms in its head region a. 9 b. 8 c. 7 d. 10 299 28. 29. 30. Spiny skinned animals a. Echinodermata b. Arthropoda c. Annelida d. Aschelminthes Echinoderms are characterized by the presence of a. Malphigian tubules b. Stinging cells c. Canal system d. Water vascular system Which of the following groups of animals is found exclusively in marine habitat? 31. a. Porifera b. Coelenterata c. Mollusca d. Echinodermata The functional basic unit of life a. Nucleolus b. Tissues c. Cell d. Nucleus 32. The study of cells specially their formation, structure and function is a. Genetics b. Histology c. Ecology d. Cytology 33. It is surrounded by double layered membrane, and it separates the substance in the nucleus from the cytoplasm a. Nuclear pore b. Nucleolus c. Nucleoplasm d. Nuclear membrane .34. Nucleus contains a clear jelly like ground substance a. Chromatin b. Nucleolus c. Nucleoplasm d. Cytoplasm 300 35. Thread like structures in the nucleus a. Chromatin b. Nuclear membrane c. Chromatids d. d. Nucleoplasm 36. The number of chromosome in every human cell a. 44 b. 22 c. 23 d. 46 37. At this point two chromatids are held together 38. 39. a. Mesomere b. Telomere c. Centromere d. Centre of the chromatids It controls each and every trait of an individual a. RNA b. Chromosome c. DNA d. Genes The structure of a DNA molecule resembles a a. Pair of ladder b. Ladder c. Twisted ladder d. Straight ladder 40. The Deoxyribose sugar is a 41. a. Hexose sugar b. Pentose sugar c. Tetrose sugar d. Octose sugar The unique feature of the DNA is its property of duplicating itself during cell division, this property is known as a. Addition b. Multiplication c. Duplication d. Replication 301 42. The sudden change that occurs in the structure of DNA is called 43. a. Mutation b. RNA c. Duplication d. Replication Mitosis is the most common type of cell division observed in plants and animals, it occurs in vegetative cells, it is called a. Somatic cell division b. Cell division c. Cytoplasmic cell division d. None of the above 44. It occurs in all cells in higher organisms 45. 46. 47. 48. a. Meiosis b. Mitosis c. Interphase d. All the above Karyokinesis and cytokinesis are the two major divisions of a. Mitosis b. Cell c. DNA d. Chromosomes The number of chromosomes is specific for a particular a. Animal b. Species c. Genus d. Family It is the longest phase in mitosis a. Prophase b. Metaphase c. Anaphase d. Telophase In this phase chromosomes move towards centre of the cell a. Anaphase b. Telophase c. Prophase d. Metaphase 302 49. 50. It is the division of cytoplasm a. Cytokinesis b. Cell c. Mitosis d. Meiosis Mitosis is a a. Replication division b. Equational divisional c. Multiplication division d. Reductional divisional 51. It is essential for healing of wounds and repairing worn and tom parts of the body a. Cytokinesis b. Mitosis c. Meiosis d. Karyokinesis 52. It is a Reductional cell division a. Mitosis b. Meiosis-I c. Prophase d. Meiosis 53. Reorganization of genetic material occurs during a. Organogenesis b. Metamorphosis c. d. Meiosis Mitosis 54. The pairing of homologous chromosome is called a. Translocation b. Crossing over c. Synapsis d. Exchange 55. Exchange of genes from one chromosome to another and viceversa during synapsis a. Crossing over b. Synapsis c. Chiasmata d. Transfer 303 56. Meiosis is a. Equational divisional b. Reductional divisional c. Double divisional d. All of the above 57. In meiosis the diploid number of chromosomes ‘2n’ is reduced to haploid number ‘n’ in a. Somatic cells b. Reproductive cells c. Body cells d. All of the above 58. In meiosis every daughter cell receives haploid (n) number of chromosomes from the a. Gamete b. Parent cell c. Somatic cell d. Zygote 59. If the diploid number of chromosomes in an organism is 2n = 40 chromosomes, after Mitotic division, each daughter cell will contain a. 20 Chromosomes b. 40 Chromosomes c. 10 Chromosomes d. 80 Chromosomes 60. Meiosis is mainly concerned with a. Only asexual reproduction b. Asexual and sexual reproduction c. Asexual reproduction d. None of the above 304