Heredity and evolution Worksheets

Heredity and evolution Worksheet-7

41. The group of simplest organisms is:

A. Thallophyta                              B. Protista

C. Porifera                                     D. Fungi

42. Genetic drift can occur because of:

A. Accidental phenomena B. Variation

C. Mutation                                   D. All of these

Heredity and evolution Worksheet-8

51. A section of DNA which provides information for protein is known as:

A. Gene              B. Genome        C. Fragment     D. All of these

52. All traits are controlled by:

A. Genes             B. Enzymes       C. Hormones    D. Regulators

53. The number of chromosomes in a somatic cell is:

A. same as that of sperm            B. same as that of ovum

Heredity and evolution Worksheet-9

61. In Mendel’s first experiment of monohybrid cross, plants obtained in F1 generation were:

A. Homozygous dominant

B. Homozygous recessive

C. Heterozygous

D. Homozygous as well as heterozygous

62. If the genotype for certain trait is Ttrr, how many types of gametes will be produced?

A. one                 B. Two                C. Three             D. Four