Biology 10 Chapter 15 MCQs Test 1

In Biology 10 Chapter 15 MCQs Test 1, there are 15 MCQs. A total of 5 MCQs Tests are available from Chapter 15 of FBISE Class 10 Biology Book. We have prepared 75 multiple-choice questions, which are divided into five MCQs Tests.

Practice
MCQs Test No 1

53

Class 10 Biology
Chapter 15
Practice MCQs Test No 1

1 / 15

Branch of biology that deals with the study of inheritance Is called as;

Genetics

Histology

Artificial selection

Natural selection

2 / 15

DNA wraps around histone protein and forms rounded structures called as;

mRNA

Nucleosomes

Lysosomes

Ribosomes

3 / 15

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 offsprings (F1 generation) will be:

1/4 yellow, 3/4 green

1/4 green, 3/4 yellow

All yellow

All green

4 / 15

Transmisslon of characteristics front parents to offsprings is called as;

Replication

Inheritance

Co-dominance

Mutation

5 / 15

How many pairs of homologous chromosomes are there in human body cell?

23

22

40

46

6 / 15

An organism has two different alleles for a single trait. Its genotype Is said to be;

Heterozygous

Hemizygous

Homozygous

Homologous

7 / 15

An organism's expressed physical trait, such as seed colour or pod shape, is called its:

Genotype

Phenotype

Karyotype

Physical type

8 / 15

Which of the following statements regarding genes is FALSE?

Each cell contains a single copy of every gene

Genes are located on chromosomes

A gene contains information for the production of a protein

Genes consist of a long sequence of DNA

9 / 15

Mendel's primary contribution to our understanding of inheritance was;

The discovery of alleles

Explanation of the patterns of inheritance

Determining that informations contained in DNA are for protein synthesis

The idea that genes are found on chromosomes

10 / 15

Chromatin is made up of:

DNA

DNA+Protein

Proteins

None of these

11 / 15

Genes contain Instructions for the synthesis of;

Vitamins

Carbohydrates

Fats

Proteins

12 / 15

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 best adapted to the environment

Are largest and most aggressive

Are born first and grow fastest

Have no natural predators

13 / 15

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

1

8

4

2

14 / 15

A purple-flowered pea plant has the genotype PP. Which of the following statements about this plant is FALSE?

All the gametes produced will have the same flower colour allele

When bred to a white-flowered plant, all offspring will be purple flowered

It has a homozygous dominant genotype

Its phenotype will be white flowers

15 / 15

Chromosomes carry units of Inheritance called as;

None of these

DNA

genes

Chromatin

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