Home
Class 12
BIOLOGY
According to Haeckel's biogenetic law : ...

According to Haeckel's biogenetic law :
1. development of individual metazoa shows embyonic characters of ancestors
2. ontogeny repeats phylogeny
3. germplasm is immortal
4. every organism is produced by its parents

A

development of individual metazoa shows embyonic characters of ancestors

B

ontogeny repeats phylogeny

C

germplasm is immortal

D

every organism is produced by its parents

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Enzymes

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|11 Videos
  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|27 Videos

Similar Questions

Explore conceptually related problems

Read the following statements regarding Mendelian inheritance and choose the correct option 1. Mendel's experiments had samll sample size which gave greater credibility to the data 2. A true breeding line shows a stable trait inheritance and expression for several generations 3. In a dissimilar pair of factors, one member of the pair dominates over the other 4. A recessive parental trait is expressed only in its heterozygous condition 5. Two alleles of a gene are located on homologous sites on homologus chromosomes

An ideal evolutionary classification is not possible because: 1. an organism shows both advanced and primitive characters 2. evolution occurs in many directions 3. fossil ancestry is not fully explored 4. all of the above.

Find the true statements (i) F_(1) progeny is first hybrid generation and progeny resembles either of parents (ii) F_(2) progeny is a resultant hybrid generation of cross pollination among F_(1) progeny and the progeny shows both dwarf and tall plants (iii) F_(2) progeny is second hybrid generation produced by selfing F_(1) hybrids and progeny contains both dwarf and tall plants (iv) Proportion of probability of plants that are dwarf is 1/4 of F_(2) plants while 3/4 of F_(2) plants are tall

Biogenetic laws/recapitulation theory was proposed by 1. Weismann 2. Haeckel 3. Darwin 4. Malthus

Gemma cups are located on the male and female thalmi of Marchantia as 1. they are always attached to thalami 2. they are detached from the parent body and germinate to form new individuals 3. Gemma cups are protective in function 4. they produce gametes

Slight difference in identical twins support the hypothesis that 1. dominance may be incomplete 2. single gene may produce multiple effect 3. the expression of genetic character is affected by environment 4. they developed from separate fertilized eggs

An organic compound contains C, H and O as its constituents. On heating in absence of air, 3.10g of this compound, produces 1.24g of carbon. But if 0.5 g of the compound is burnt in presence of air, 0.3 g of H_(2)O is formed. 0.05 gram-mole of the compound contains 4.8g of oxygen. what is the molecular formula off the compound?

TRUEMAN BIOLOGY-EVOLUTION-MULTIPLE CHOICE QUESTIONS
  1. Basic principles of embryonic development were stated by

    Text Solution

    |

  2. Biogenetic laws/recapitulation theory was proposed by 1. Weismann 2. ...

    Text Solution

    |

  3. According to Haeckel's biogenetic law : 1. development of individual ...

    Text Solution

    |

  4. Appearance of teeth in the embryos of birds is an example of :

    Text Solution

    |

  5. Tadpole larva of frog is a good example of

    Text Solution

    |

  6. Which is the correct sequence?

    Text Solution

    |

  7. Blood proteins are similar in

    Text Solution

    |

  8. Golden Age of Dinosaurs'/Age of reptiles was

    Text Solution

    |

  9. Two zoogeographical regions separated by high mountain ranges are

    Text Solution

    |

  10. Existence of coal or petroleum can be known from the study of :

    Text Solution

    |

  11. Famous palaeontologist/palaeobotanist of India was

    Text Solution

    |

  12. Wings of pigeon, mosquito and bat show

    Text Solution

    |

  13. Mammals occur on land, air and water. It is

    Text Solution

    |

  14. The book "Philosophie Zoologique" was written by :

    Text Solution

    |

  15. The key point in Lamarck's view of organic evolution and basic princip...

    Text Solution

    |

  16. The term'Biology' was first used by

    Text Solution

    |

  17. Weismann formulated his"theory of continuity of Germ plasm" in

    Text Solution

    |

  18. Who experimentally proved that acquired characters are not inherited a...

    Text Solution

    |

  19. Which of the following is a case of adaptive radiation?

    Text Solution

    |

  20. The idea of Natural Selection as the fundamental process of evolutiona...

    Text Solution

    |