12th Standard CBSE - Biology - Reproduction in Organisms

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Question - 1

Which of the following statements is true of yeast?

  • A The cell divides by binary fission.  One of them develops into a bud.
  • B The cell divides unequally.  The smaller cell develops into a bud.
  • C The cell produces conidia, which develop into a bud.

Question - 2

Which of the following statements is true of Bryophyllum?

  • A Germinating bud appears from the eye of the stem tuber.
  • B Germinating bud appears from the node of the rhizome.
  • C Geminating bud appears from the notch at the leaf margin.

Question - 3

Which one of the following statements is true of cucurbits?

  • A It is monoecious producing both staminate and pistillate flowers in the same plant.
  • B It is monoecious producing staminate and pistillate flowers in two different plants.
  • C It is dioecious producing staminate flowers in one plant and pistillate flowers in another.

Question - 4

Which of the following statement is true of Hydra?

  • A It produces asexual gemmules
  • B It produces unicellular bud
  • C It produces multicellular bud.

Question - 5

Which of the followin statements is true of Hydra?

  • A It produces asexual gemmules
  • B It produces unicellular bud.
  • C It produces multicellur bud.

Question - 6

Which of the following statements is true of ginger?

  • A Germinating bud appears from the eye of the stem tuber.
  • B Germinating bud appears from the node of the rhizome
  • C Germinating bud appears from the notch of the leaf margin.

Question - 7

Which of the following statements true of date plam?

  • A It is monoecious producing both staminate flowers and pistilate flowers in the same plant.
  • B It is monoecious producing staminate flowers in one tree and pistillate flowers in another tree.
  • C It is dioecious producing staminate flowers in one tree and pistillate flowers in another tree.

Question - 8

 scion grafted to a stock. The quality of fruits produced will be determined by the genotype of 

  • A Stock
  • B Scion
  • C Both stock and scion
  • D Neither stock or scion

Question - 9

Transverse binary fission occurs in

  • A Euglena
  • B Amoeba
  • C Hydra
  • D Paramecium

Question - 10

In which of the following organism, self-fertilization is seen?

  • A Fish
  • B Roundworm
  • C Earthworm
  • D Liver fluke