Home
Class 12
BIOLOGY
Which option is correct for the given st...

Which option is correct for the given statmeent X, Y and Z ?
X : Pollen grains are the carriers of male gametes.
Y : Pollen grain are produced in stigma.
Z : Pollen grain are transferred to anthers.
(A) X is wrong, Y and Z are correct
(B) X, Y and Z are correct
(C) X and Y are correct and Z is wrong
(D) X is correct, Y and Z are wrong.

A

X is wrong, Y and Z are correct

B

X, Y and Z are correct

C

X and Y are correct and Z is wrong

D

X is correct, Y and Z are wrong.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    KUMAR PRAKASHAN|Exercise SECTION - E SOLUTION OF NCERT EXEMPLAR (Long Answer Type Questions)|5 Videos
  • PRINCIPLES OF INHERITANCE AND VARIATION

    KUMAR PRAKASHAN|Exercise SECTION -F (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQs ASKED IN COMPETITIVE EXAM)|38 Videos
  • REPRODUCTIVE HEALTH

    KUMAR PRAKASHAN|Exercise Section - F Multiple Choice Questions (MCQs)|102 Videos

Similar Questions

Explore conceptually related problems

The pollen grains are produced in (Pollen sac/Ovule)

Which option is correct for statement X and Y ? Statement - X : Formation of zygote is common in all sexually reproducing organisms. Statement - Y : Zygote is formed inside the body of organisms. (A) X and Y both are correct and Y is correct reason of X (B) Y is correct and X is wrong (C) X is correct and Y is wrong (D) X and Y both are correct and Y is not correct reason of X.

Which option is correct for statements - X and Y ? Statement - X : A large number of male gametes fail to reach the female gametes. Statement - Y : The number of male gametes produced is several thousand times the number of female gametes produced. (A) X and Y both are correct and Y is correct reason of X (B) X is correct and Y is wrong (C) Y is correct and X is wrong (D) X and Y both are correct and Y is not correct reason of X.

Which option is correct for statement X and Y ? Statement - X : Condia are light dry and provided with a tough coat. Statement - Y : Conidia are dispersed by wind. (A) X and Y both are correct and Y is correct reason of X (B) X is correct and Y is wrong (C) Y is correct and X is wrong (D) X and Y both are correct and Y is not correct reason of X.

Which option is correct for statement X and Y ? Statement - X : In spongilla and sycon, gemmules give rise to new animals. Statement - Y : Gemmules are also called as internal bud and this type of reproduction is called endogenous budding. (A) X and Y both are correct and Y is correct reason of X (B) Y is correct and X is wrong (C) X is correct and Y is wrong (D) X and Y both are correct and Y is not correct reason of X

The pollen grains produced in stamen are male reproductive cells.

What is the function of the two male gametes produced by each pollen grain in angiosperms

With references to cannabis, which of the following options is correct for statement-.X., statement-.Y. and statement-.Z.? statement-.X.- Flowers are attractive and produce scent statement-.Y.- Pollen grains are small in size, dry and light statement-.Z.- Cannabis is wind pollinated plant (A) Both the statement-.X. and statement-.Y. are correct and statement-.Z. is the correct reason for .Y. (B) statement-.X. is correct and statement-.Y. is wrong. statement-.Z. is the correct reason for .X. (C) statement-.X. is wrong and statement-.Y. is correct. statement-.Z. is the correct reason for .Y. (D) Both of the statement-.X. and .Y. are wrong and .Z. is independent of .X. and .y"

Select the correct option for the given statements 'X', 'Y' and 'Z'. 'X' - A transgenic cow, Rosie produced human protein-enriched milk, which was nutritionally more balanced product for human babies than natural cow milk. 'Y' - Milk produced by transgenic cow, Rosic contain 2.4 gm. protein/li. 'Z' - In the above mentioned milk in 'Y' statement, alpha -lactalbumin is present. (A) Statement X, Y, Z are true and statement Z gives correct explanation for X (B) Statement X, Y, Z are true and statement Z does not give correct explanation of X (C) Statement X & Y are correct. Statement Z is wrong (D) Statement X & Y are wrong. Statement Z is correct

KUMAR PRAKASHAN-REPRODUCTION IN ORGANISMS-SECTION - F MULTIPLE CHOICE QUESTIONS (MCQs)
  1. Gamete transfer take place through water in (A) monera, fungi, alga...

    Text Solution

    |

  2. Which option is correct for statements - X and Y ? Statement - X :...

    Text Solution

    |

  3. Which option is correct for the given statmeent X, Y and Z ? X : Po...

    Text Solution

    |

  4. How many male gametes are released by pollen tube near the egg cell in...

    Text Solution

    |

  5. The fusion of two similar or dissimilar gametes is called (A) and it r...

    Text Solution

    |

  6. The process of fusion of two similar or dissimilar gametes is called

    Text Solution

    |

  7. In which of the following syngamy does not occur in external medium ? ...

    Text Solution

    |

  8. External fertilization is seen in (A) bony fishes (B) frogs (C) Bo...

    Text Solution

    |

  9. Which of the following statement is false for external fertilization ?...

    Text Solution

    |

  10. Which group of plant exhibit internal fertilization ? (A) Algae, fun...

    Text Solution

    |

  11. Which of the following is not a post - fertilization event ? (A) Po...

    Text Solution

    |

  12. Which option is correct for statement X and Y ? Statement - X : Form...

    Text Solution

    |

  13. In ……. zygote develops a thick wall that is resistant to desiccation a...

    Text Solution

    |

  14. A method of sexual reproduction where gamete are exchange through temp...

    Text Solution

    |

  15. Which of the following is an example of conjugation ? (A) Amoeba ...

    Text Solution

    |

  16. A mode of sexual reproduction. (A) Conjugation (B) Binary fission ...

    Text Solution

    |

  17. ……….. is the vital link that ensures continuity of species between org...

    Text Solution

    |

  18. During embryogenesis (A) undergoes (B). (A) A = zygote, B = only mi...

    Text Solution

    |

  19. Which of the following statements is false for oviparous animals ? (...

    Text Solution

    |

  20. Which of the following statement are true for viviparous animals ? ...

    Text Solution

    |