Biology 10 Chapter 15 Challenge MCQs Test

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

112

Class 10 Biology
Chapter 15
Full Chapter Challenge Test

1 / 75

Adenine always pairs with;

2 / 75

Who proposed the mechanism of organic evolution In 1838?

3 / 75

Example of discontinuous variation is;

4 / 75

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

5 / 75

Specific proteins have specific number and sequence of;

6 / 75

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

7 / 75

The possible number of chromosomal combinations are:

8 / 75

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

9 / 75

Physical appearance or colour of an organism is called:

10 / 75

How many hydrogen bonds are formed between cytosine and guanine?

11 / 75

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

12 / 75

Genes contain Instructions for the synthesis of;

13 / 75

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

14 / 75

Cytocine always pairs with;

15 / 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;

16 / 75

Which is favourable variation in moths before Industrial revolution?

17 / 75

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

18 / 75

Mendel used __________ pea plants in his experiments

19 / 75

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

20 / 75

Which of the following statements regarding genes is FALSE?

21 / 75

Which component of cell Is Involved In translation?

22 / 75

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

23 / 75

In which part of cell, transcription takes place?

24 / 75

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

25 / 75

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

26 / 75

Each trait studied in Pea plant had ___________ distinct form.

27 / 75

Pisum sativum is scientific name of;

28 / 75

Chromosomes carry units of Inheritance called as;

29 / 75

Inside of double helix consists of:

30 / 75

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

31 / 75

The first filial generation Is denoted by

32 / 75

Pink Flowered Four O Clock plant is an example of;

33 / 75

Among following which Is an example of co-dominance?

34 / 75

What make the backbone of DNA molecule?

35 / 75

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

36 / 75

Outside backbone of double helix is made up of:

37 / 75

How many hydrogen bonds are formed between adenine and thymine?

38 / 75

What condenses Into a chromosome?

39 / 75

In 1953,_______ proposed the structure of DNA.

40 / 75

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

41 / 75

A DNA molecule consists of ______ polynucleotide strands.

42 / 75

__________________ gave the first hint at evolution?

43 / 75

Who developed fundamental Principles of genetics?

44 / 75

Transmisslon of characteristics front parents to offsprings is called as;

45 / 75

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

46 / 75

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

47 / 75

In which part of cell, transcription takes place?

48 / 75

True breeding means:

49 / 75

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

50 / 75

Which is favourable variation in moths after industrial revolution?

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

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

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

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

55 / 75

Feet size in Man Is an example of:

56 / 75

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

57 / 75

Chromatin is made up of:

58 / 75

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

59 / 75

In artificial selection, bred plants are known as:

60 / 75

Among following, which Is the source of variations?

61 / 75

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

62 / 75

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

63 / 75

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

64 / 75

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

65 / 75

Expression of genotype in the form of trait is:

66 / 75

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

67 / 75

The alternate forms of a gene are called as;

68 / 75

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

69 / 75

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

70 / 75

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

71 / 75

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

72 / 75

The position of gene on chromosome is known as;

73 / 75

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

74 / 75

mRNA is synthesized by:

75 / 75

Variations selected for their transmission to next generation are;

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