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

29

Class 10 Biology
Chapter 15
Full Chapter Challenge Test

1 / 75

The alternate forms of a gene are called as;

2 / 75

Transmisslon of characteristics front parents to offsprings is called as;

3 / 75

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

4 / 75

Chromatin is made up of:

5 / 75

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

6 / 75

True breeding means:

7 / 75

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

8 / 75

Pink Flowered Four O Clock plant is an example of;

9 / 75

Genes contain Instructions for the synthesis of;

10 / 75

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

11 / 75

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

12 / 75

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

13 / 75

Which of the following statements regarding genes is FALSE?

14 / 75

Example of discontinuous variation is;

15 / 75

Adenine always pairs with;

16 / 75

What condenses Into a chromosome?

17 / 75

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

18 / 75

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

19 / 75

The position of gene on chromosome is known as;

20 / 75

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

21 / 75

In which part of cell, transcription takes place?

22 / 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;

23 / 75

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

24 / 75

The first filial generation Is denoted by

25 / 75

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

26 / 75

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

27 / 75

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

28 / 75

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

29 / 75

mRNA is synthesized by:

30 / 75

In artificial selection, bred plants are known as:

31 / 75

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

32 / 75

Feet size in Man Is an example of:

33 / 75

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

34 / 75

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

35 / 75

The possible number of chromosomal combinations are:

36 / 75

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

37 / 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:

38 / 75

__________________ gave the first hint at evolution?

39 / 75

What make the backbone of DNA molecule?

40 / 75

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

41 / 75

Pisum sativum is scientific name of;

42 / 75

Which component of cell Is Involved In translation?

43 / 75

Chromosomes carry units of Inheritance called as;

44 / 75

Among following which Is an example of co-dominance?

45 / 75

In which part of cell, transcription takes place?

46 / 75

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

47 / 75

Who developed fundamental Principles of genetics?

48 / 75

Inside of double helix consists of:

49 / 75

Physical appearance or colour of an organism is called:

50 / 75

Variations selected for their transmission to next generation are;

51 / 75

Outside backbone of double helix is made up of:

52 / 75

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

53 / 75

Mendel used __________ pea plants in his experiments

54 / 75

Which is favourable variation in moths before Industrial revolution?

55 / 75

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

56 / 75

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

57 / 75

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

58 / 75

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

59 / 75

In 1953,_______ proposed the structure of DNA.

60 / 75

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

61 / 75

A DNA molecule consists of ______ polynucleotide strands.

62 / 75

Who proposed the mechanism of organic evolution In 1838?

63 / 75

Expression of genotype in the form of trait is:

64 / 75

How many hydrogen bonds are formed between adenine and thymine?

65 / 75

Among following, which Is the source of variations?

66 / 75

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

67 / 75

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

68 / 75

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

69 / 75

Cytocine always pairs with;

70 / 75

Which is favourable variation in moths after industrial revolution?

71 / 75

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

72 / 75

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

73 / 75

How many hydrogen bonds are formed between cytosine and guanine?

74 / 75

Specific proteins have specific number and sequence of;

75 / 75

Each trait studied in Pea plant had ___________ distinct form.

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