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

47

Class 10 Biology
Chapter 15
Full Chapter Challenge Test

1 / 75

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

2 / 75

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

3 / 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;

4 / 75

Which is favourable variation in moths after industrial revolution?

5 / 75

In 1953,_______ proposed the structure of DNA.

6 / 75

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

7 / 75

Which of the following statements regarding genes is FALSE?

8 / 75

Who developed fundamental Principles of genetics?

9 / 75

Chromosomes carry units of Inheritance called as;

10 / 75

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

11 / 75

mRNA is synthesized by:

12 / 75

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

13 / 75

Expression of genotype in the form of trait is:

14 / 75

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

15 / 75

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

16 / 75

The possible number of chromosomal combinations are:

17 / 75

Pisum sativum is scientific name of;

18 / 75

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

19 / 75

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

20 / 75

Which component of cell Is Involved In translation?

21 / 75

Adenine always pairs with;

22 / 75

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

23 / 75

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

24 / 75

Genes contain Instructions for the synthesis of;

25 / 75

Specific proteins have specific number and sequence of;

26 / 75

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

27 / 75

What condenses Into a chromosome?

28 / 75

Variations selected for their transmission to next generation are;

29 / 75

In which part of cell, transcription takes place?

30 / 75

Chromatin is made up of:

31 / 75

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

32 / 75

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

33 / 75

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

34 / 75

Each trait studied in Pea plant had ___________ distinct form.

35 / 75

Who proposed the mechanism of organic evolution In 1838?

36 / 75

In which part of cell, transcription takes place?

37 / 75

Outside backbone of double helix is made up of:

38 / 75

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

39 / 75

Which is favourable variation in moths before Industrial revolution?

40 / 75

In artificial selection, bred plants are known as:

41 / 75

Among following, which Is the source of variations?

42 / 75

The alternate forms of a gene are called as;

43 / 75

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

44 / 75

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

45 / 75

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

46 / 75

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

47 / 75

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

48 / 75

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

49 / 75

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

50 / 75

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

51 / 75

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

52 / 75

True breeding means:

53 / 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:

54 / 75

Cytocine always pairs with;

55 / 75

Mendel used __________ pea plants in his experiments

56 / 75

A DNA molecule consists of ______ polynucleotide strands.

57 / 75

How many hydrogen bonds are formed between adenine and thymine?

58 / 75

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

59 / 75

Transmisslon of characteristics front parents to offsprings is called as;

60 / 75

Among following which Is an example of co-dominance?

61 / 75

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

62 / 75

What make the backbone of DNA molecule?

63 / 75

Pink Flowered Four O Clock plant is an example of;

64 / 75

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

65 / 75

__________________ gave the first hint at evolution?

66 / 75

The first filial generation Is denoted by

67 / 75

How many hydrogen bonds are formed between cytosine and guanine?

68 / 75

Inside of double helix consists of:

69 / 75

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

70 / 75

Example of discontinuous variation is;

71 / 75

Feet size in Man Is an example of:

72 / 75

The position of gene on chromosome is known as;

73 / 75

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

74 / 75

Physical appearance or colour of an organism is called:

75 / 75

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

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