Heredity and evolution Worksheet-5

Heredity and evolution Worksheet-5


  1. Binomial system of nomenclature was devised by:

A. Gregor Mendel                         B. Charles Darwin

C. Robert Whittaker                    D. Carl Linnaeus


  1. How many pairs of contrasting characters of pea were selected by Mendel for cross fertilization?

A. Five                B. Six                  C. Seven             D. Eight


  1. Which of the following is not a part of DNA?

A. Phosphates                               B. Ribose sugar

C. Nucleotides                               D. Nitrogenous base


  1. The trait transmitted from one generation to the other is known as:

A. Dominant     B. Recessive      C. Inherited       D. Acquired


  1. The Genotypic Ratio of a dihybrid cross in F2 Generation is:

A. 9:3:3:1           B. 3:1                  C. 1:2:1               D. None of these


  1. When two individuals are similar in external appearance but different in their genetic makeup. They are called as?

A. Homogametic                          B. Heterogametic

C. Homozygous                             D. Heterozygous


  1. A couple with homozygous genes coding for blood group A and B are expected to have children with blood types:

A. A and B                                      B. AB

C. A,B,AB and O                           D. A and O


  1. Which of the following statement is true about Evolution?

A. Evolution of new species occurs to replace the older ones.

B. Evolution leads to the generation of more complex organisms.

C. Evolution proceeds as a linear ladder of progress

D. Evolution results in development of better structural features among organisms


  1. Which of the following species of genus ‘Homo’ is oldest?

A. habilis                                        B. sapiens

C. erectus                                       D. neanderthalensis


  1. Which of the following species of human beings is known as handy man?

A. Homo habilis                            B. Homo sapiens

C. Homo erectus                           D. Homo neanderthalensis


Answer Key:

  1. D
  2. C
  3. B
  4. C
  5. D
  6. D
  7. B
  8. B
  9. A
  10. A