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Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 6 (60 MCQs)

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1. Which statement is most appropriate to define LIFE SPAN?
2. What describes a cell that has pairs of chromosomes called?
3. During embryogenesis zygote undergoes all except?
4. Which statement about Oestrus cycle is not related one?
5. Compare & Contrast Sexual VS Asexual
6. The female gametes are known as:
7. Male honey bees are produced by ..... method
8. In heterogamous organisms the male gamete and female gametes are called respectively-
9. When a new organism grows by mitosis and cell division on the body of its parent.
10. Which organisms have diploid body organization?
11. The end product of Anaerobic Respiration in humans is:
12. In oogamy, fertilization involves
13. What is one disadvantage of sexual reproduction?
14. A plant that produces beautiful flowers experiences a mutation that causes it to form flowers that are unattractive to the pollinator. How will this plant's reproduction rate be impacted? (MS-LS1-4)
15. A scientist observes a parent organism with its offspring. The color of the offspring is different than the parent. The most likely inference the scientist makes is that the organism reproduces by .....
16. The plant material which is widely used in the preparation of culture medium is
17. What is the main advantage of sexual reproduction?
18. Which of the following statements about reproduction are true?A) Fertilisation only occurs in sexual reproduction. B) Reproduction is to ensure the continuity of living things.C) In reproduction, both male and female produces eggs and sperms.
19. Which of the following is viviparous?
20. In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is:
21. Which is a unisexual flower?
22. Define fertilization.
23. What is the name of first cell of life formed as a result of sexual reproduction?
24. Offset is a vegetative propagule found in
25. Which one is an incorrect pairing?
26. Match each term with the correct description below.only takes place in reproductive organs
27. Chromosomes present in human zygote is
28. Which of the following cell division is related to the gametogenesis?
29. How do flowering plants typically engage in sexual reproduction?
30. This contraception method works by preventing the ovary from releasing an ovum.
31. Which term well defines this:Gamete$\rightarrow$ Individual
32. Which of the following domains would a prokaryotic organism belong?
33. In ..... a body part regrows and may form a new organism.
34. Adventitious buds develop in the leaves of:
35. Asexual reproductive structure in sponge is called
36. A dogfish shark contains 24 chromosomes in each of its muscle cells. How many chromosomes are normally found in each of its sex cells?
37. Regeneration is seen in
38. Which type of reproduction results in offspring that are genetically diverse?
39. Staminate flowers are are those which have
40. If vegetative growth of the plant takes place but flower production does not occur-then what couldbe the reason for this?
41. Which one of the following paris is wrongly matched while the reasoning three are correct:
42. Which organisms can be cut into any number of pieces and each piece grows into a complete organism?
43. Two ..... make up a gene.
44. Formation of hard calcareous eggs is a characteristic feature of:
45. The uniparental reproduction is called ..... reproduction while by parental reproduction is termed ..... reproduction. Higher organisms most please show ..... reproduction.
46. Temporary union of the two individuals of the same species
47. Which process leads to the creation of new individuals in unicellular organisms?
48. WHICH OF THE FOLLOWING BRINGS VARIATION
49. Biennial plants take two years to complete their life cycle.
50. Hydra reproduce through ..... , where the offspring grows from the body of the parent organism.
51. Offset is the vegetative propagule of:
52. Each month one egg cell is released from one ovary
53. A few statements describing certain features of reproduction are givenbelow:i. Gametic fusion takes placeii. Transfer of genetic material takes placeiii. Reduction division takes placeiv. Progeny have some resemblance with parentsSelect the options that are true for both asexual and sexualreproduction from the options given below:
54. Which organisms typically reproduce by binary fission?
55. Asexual reproductive structure of Penicillum is:
56. Which of the following statements best describe the offspring in sexual reproduction?
57. The events in sexual reproduction are are pre-fertilization, fertilization, post fertilization.What is the correct order of their occurrence?
58. All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism-
59. What is the contraceptive taken orally, once a day?
60. The offspring from asexually reproduced organisms are?
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