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Level 0 Worksheet: How Org. Reproduce?

Class: 10 Science Topic: Basics & Reproduction Modes Max. Questions: 50
Name:
Date:
Section A: Basic Identification

Q1-10. Fill in the blanks:

  1. The process of production of new organisms from the existing ones is called __________.
  2. DNA stands for __________.
  3. The male reproductive part of a flower is called __________.
  4. The female reproductive part of a flower is called __________.
  5. The fusion of male and female gametes is called __________.
  6. Human beings are __________ (Oviparous/Viviparous).
  7. The period of adolescence when reproductive tissues begin to mature is called __________.
  8. In humans, fertilization takes place in the __________.
  9. The embryo gets nutrition from the mother's blood with the help of __________.
  10. The stoppage of menstruation in females is called __________.
Section B: Modes of Reproduction

Q11-20. Select correct word:

  1. Amoeba reproduces by __________ (Binary Fission/Budding).
  2. Plasmodium reproduces by __________ (Multiple Fission/Fragmentation).
  3. Planaria reproduces by __________ (Regeneration/Spore Formation).
  4. Bryophyllum reproduces through __________ (Roots/Leaves).
  5. Rhizopus reproduces by __________ (Spore Formation/Tissue Culture).
  6. Yeasts reproduce by __________ (Budding/Fission).
  7. Spirogyra reproduces by __________ (Fragmentation/Regeneration).
  8. Rose is propagated by __________ (Grafting/Layering).
  9. Unisexual flowers contain __________ (Stamen/Pistil/Both/Either).
  10. The transfer of pollen grains from anther to stigma is called __________ (Pollination/Fertilization).
Section C: True or False

Q21-30. State True or False:

  1. DNA copying is essential for reproduction. __________
  2. Binary fission involves the division of the parent into many daughter cells. __________ (False).
  3. Potato reproduces by eyes present on the tuber. __________
  4. Fertilization in humans is external. __________ (False).
  5. The testis is located outside the abdominal cavity. __________
  6. Ovary releases one egg every month. __________
  7. Copper-T prevents the entry of sperm. __________ (False, prevents implantation).
  8. HIV-AIDS is a bacterial disease. __________ (False, Viral).
  9. Syphilis is a sexually transmitted disease. __________
  10. Placenta is formed only if fertilization occurs. __________
Section D: One Word Answers

Q31-40. Answer in one word:

  1. Name the main male sex hormone. __________ (Testosterone).
  2. Name the main female sex hormone. __________ (Estrogen).
  3. Which part of the flower becomes the fruit? __________ (Ovary).
  4. Which part of the flower becomes the seed? __________ (Ovules).
  5. Name the method of contraception where the Vas Deferens is cut. __________ (Vasectomy).
  6. Name a flower which is bisexual. __________ (Hibiscus/Mustard).
  7. Where are sperms produced in humans? __________ (Testes).
  8. Name the common passage for urine and sperm in males. __________ (Urethra).
  9. What is the duration of the menstrual cycle? __________ (28 days).
  10. Name the causative agent of Gonorrhoea. __________ (Bacteria).
Section E: Match the Following

Q41-50. Match the Organism with Mode of Reproduction:

Column A (Organism) Column B (Mode)
41. Amoeba (a) Spore Formation
42. Leishmania (b) Budding
43. Plasmodium (c) Vegetative Propagation
44. Spirogyra (d) Binary Fission
45. Hydra (e) Unisexual Flower
46. Yeast (f) Multiple Fission
47. Rhizopus (g) Regeneration/Budding
48. Bryophyllum (h) Fragmentation
49. Papaya (i) Bisexual Flower
50. Mustard (j) Binary Fission

Write answers as: 41-__, 42-__, 43-__, ...