Biology 10 Chapter 15 Challenge MCQs Test

ByMuhammad Zaman

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

116

Class 10 Biology
Chapter 15
Full Chapter Challenge Test

1 / 75

Cytocine always pairs with;

2 / 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:

3 / 75

mRNA is synthesized by:

4 / 75

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

5 / 75

Expression of genotype in the form of trait is:

6 / 75

Outside backbone of double helix is made up of:

7 / 75

True breeding means:

8 / 75

The alternate forms of a gene are called as;

9 / 75

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

10 / 75

How many hydrogen bonds are formed between adenine and thymine?

11 / 75

Inside of double helix consists of:

12 / 75

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

13 / 75

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

14 / 75

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

15 / 75

Mendel used __________ pea plants in his experiments

16 / 75

Among following which Is an example of co-dominance?

17 / 75

Among following, which Is the source of variations?

18 / 75

In artificial selection, bred plants are known as:

19 / 75

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

20 / 75

Genes contain Instructions for the synthesis of;

21 / 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;

22 / 75

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

23 / 75

What condenses Into a chromosome?

24 / 75

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

25 / 75

Pink Flowered Four O Clock plant is an example of;

26 / 75

What make the backbone of DNA molecule?

27 / 75

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

28 / 75

Each trait studied in Pea plant had ___________ distinct form.

29 / 75

Which component of cell Is Involved In translation?

30 / 75

Who developed fundamental Principles of genetics?

31 / 75

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

32 / 75

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

33 / 75

Which is favourable variation in moths after industrial revolution?

34 / 75

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

35 / 75

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

36 / 75

The position of gene on chromosome is known as;

37 / 75

Variations selected for their transmission to next generation are;

38 / 75

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

39 / 75

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

40 / 75

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

41 / 75

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

42 / 75

Pisum sativum is scientific name of;

43 / 75

Which is favourable variation in moths before Industrial revolution?

44 / 75

Feet size in Man Is an example of:

45 / 75

Chromosomes carry units of Inheritance called as;

46 / 75

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

47 / 75

The first filial generation Is denoted by

48 / 75

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

49 / 75

Which of the following statements regarding genes is FALSE?

50 / 75

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

51 / 75

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

52 / 75

Specific proteins have specific number and sequence of;

53 / 75

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

54 / 75

In 1953,_______ proposed the structure of DNA.

55 / 75

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

56 / 75

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

57 / 75

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

58 / 75

In which part of cell, transcription takes place?

59 / 75

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

60 / 75

__________________ gave the first hint at evolution?

61 / 75

Who proposed the mechanism of organic evolution In 1838?

62 / 75

Adenine always pairs with;

63 / 75

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

64 / 75

The possible number of chromosomal combinations are:

65 / 75

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

66 / 75

In which part of cell, transcription takes place?

67 / 75

A DNA molecule consists of ______ polynucleotide strands.

68 / 75

Example of discontinuous variation is;

69 / 75

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

70 / 75

Chromatin is made up of:

71 / 75

Transmisslon of characteristics front parents to offsprings is called as;

72 / 75

Physical appearance or colour of an organism is called:

73 / 75

How many hydrogen bonds are formed between cytosine and guanine?

74 / 75

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

75 / 75

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

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