10th Class Biology English Medium Online Test For Full Book With Answers

10th Class Biology English Medium Online Test For Full Book

Sr. # Questions Answers Choice
1 Chromosomes carry units of inheritance called as: Chromatin DNA Genes None of these
2 Transmission of characteristics from parents to offsprings is called as: Replication Inheritance co-dominance Mutation
3 Branch of biology that deals with the study of inheritance is called as: Artificial selection Natural selection Genetics Histology
4 Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that. Are born first and grow fastest Are largest and most aggressive Have no natural predators Are best adapted to the environment.
5 A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE. Its phenotype will be white flowers . It has a homozygous dominant genotype. When bred to a white flowered plant all offspring will be purple flowered. All the gametes produced will have the same flower colour allele
6 Mendel's primary contribution to our understanding of inheritance was: The idea that genes are found on chromosomes Explanation of the patterns of inheritance The discovery of alleles Determining that informations contained in DNA are for protein synthesis.
7 Which of the following statement regarding genes is FALSE. Genes are located on chromosomes Genes consist of a long sequence of DNA A gen contains information for the production of a protein Each cell contain a single copy of every gene.
8 How many genetically different kinds of gametes an individual with genotype AAbb can produce? 1 2 4 9
9 In the cross-pollination between a true-breeding yellow pod plant and a true-breeding green pod plant, where green pod colour is dominant, the resulting offspring will be. 1/4 green , 3/4 yellow All yelow 1/4 yellow, 3/4 green All green
10 An organism's expressed physical trait, such as seed colour or pod shape is called its. Genotype Phenotype Physical type Karyotype
11 Where the sperms of male rabbit are deposited in the female rabbit? Horns Cervix Follicle Ovaries
12 Where the sperms of rabbit are produced? Cowper's glands Prostate gland Collecting ducts Seminiferous tubules.
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