In Biology 10 Chapter 15 Challenge MCQs Test, there are 75 MCQs. This test contains all the Chapter 15 MCQs of practice tests. So just do the practice of all the 5 MCQs Tests then come to do this test. All these MCQ tests are for Federal Board students.


Biology 10 Chapter 15 Challenge MCQs Test


Challenge MCQs Test

0

Class 10 Biology
Chapter 15
Full Chapter Challenge Test

1 / 75

__________________ gave the first hint at evolution?

2 / 75

What will be the colour of flowers produced as a result of cross between red and white flowered 4'O Clock plants?

3 / 75

Chromosomes carry units of Inheritance called as;

4 / 75

What condenses Into a chromosome?

5 / 75

Which of the following statements regarding genes is FALSE?

6 / 75

mRNA is synthesized by:

7 / 75

The first filial generation Is denoted by

8 / 75

Dominant alleles are represented by _________ letter and recessive alleles by ____________ letters.

9 / 75

Who developed fundamental Principles of genetics?

10 / 75

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

11 / 75

True breeding means:

12 / 75

How many types of differences shown by individuals of same species?

13 / 75

Adenine always pairs with;

14 / 75

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

15 / 75

Among following, which Is the source of variations?

16 / 75

In which type of variation, the phenotypes show a complete range of measurements from one extreme to the other Is;

17 / 75

Mendel used __________ pea plants in his experiments

18 / 75

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

19 / 75

Copies of chromatids of chromosomes are made through the process called;

20 / 75

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

21 / 75

Pisum sativum is scientific name of;

22 / 75

Which is favourable variation in moths after industrial revolution?

23 / 75

What make the backbone of DNA molecule?

24 / 75

It is a situation where in heterozygous genotypes, both the alleles express as a blend and neither allele Is dominant over the other;

25 / 75

It is situation where two different alleles of a gene pair express themselves completely, instead of showing a dominant- recessive relationship is called;

26 / 75

Specific proteins have specific number and sequence of;

27 / 75

Feet size in Man Is an example of:

28 / 75

Among following which Is an example of co-dominance?

29 / 75

Cytocine always pairs with;

30 / 75

Expression of genotype in the form of trait is:

31 / 75

How many hydrogen bonds are formed between adenine and thymine?

32 / 75

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

33 / 75

Sequence of amino acids in a protein Is controlled by sequence of __________ In DNA.

34 / 75

The alternate forms of a gene are called as;

35 / 75

Transmisslon of characteristics front parents to offsprings is called as;

36 / 75

Chromatin is made up of:

37 / 75

Specific sequence of DNA nucleotides is copied In the form of mRNA In a process:

38 / 75

Which is favourable variation in moths before Industrial revolution?

39 / 75

What Is the Diploid (2n) number of humans?

40 / 75

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:

41 / 75

Ribosome reads the sequence of mRNA nucleotides and joins specific amino acids to form proteins. This step is known as;

42 / 75

It is change in characteristics of a population or species of organisms over the course of generations;

43 / 75

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

44 / 75

How many hydrogen bonds are formed between cytosine and guanine?

45 / 75

All living things had been created in their current form only a few thousand years ago. This Idea Is known as;

46 / 75

Which component of cell Is Involved In translation?

47 / 75

In which part of cell, transcription takes place?

48 / 75

Charles Darwin published a book "On the Origin of Species by means of Natural selection" In;

49 / 75

The position of gene on chromosome is known as;

50 / 75

Pink Flowered Four O Clock plant is an example of;

51 / 75

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;

52 / 75

Who proposed the mechanism of organic evolution In 1838?

53 / 75

Which of the following genes will be termed as Homozygous Recessive,

54 / 75

In ________ James Watson and Francis Crick proposed the structure of DNA.

55 / 75

It is a condition in which normal body pigments are absent;

56 / 75

Outside backbone of double helix is made up of:

57 / 75

Which variations show distinct phenotypes and phenotypes of such variations cannot be measured?

58 / 75

Intentional breeding between individuals for certain traits, or combination of traits is called as:

59 / 75

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

60 / 75

A dominant allele only suppresses the expression of recessive allele it does not affect its:

61 / 75

A DNA molecule consists of ______ polynucleotide strands.

62 / 75

Example of discontinuous variation is;

63 / 75

It is the process by which the better genetic variations become more common In successive generations of population;

64 / 75

The Specific combinations of germs in an individual is known as;

65 / 75

Genes contain Instructions for the synthesis of;

66 / 75

In 1953,_______ proposed the structure of DNA.

67 / 75

In which part of cell, transcription takes place?

68 / 75

Physical appearance or colour of an organism is called:

69 / 75

The possible number of chromosomal combinations are:

70 / 75

Each trait studied in Pea plant had ___________ distinct form.

71 / 75

Among following, which is the genotype of blood group O?

72 / 75

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

73 / 75

Inside of double helix consists of:

74 / 75

In artificial selection, bred plants are known as:

75 / 75

Variations selected for their transmission to next generation are;

Your score is


You can attempt more Biology MCQs Tests at our Class 10 Biology MCQs Test Page.

error: Content is protected !!