10th Class Biology Chapter 6 English Medium Online MCQ Test With Answer

MCQ's Test For Chapter 6 "Inheritance"

Try The MCQ's Test For Chapter 6 "Inheritance"

  • Total Questions12

  • Time Allowed15

Inheritance

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Question # 1

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

Question # 2

Adenine always pairs with:


Question # 3

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.

Question # 4

Alternatives forms of a gene are called:

Question # 5

Inherited characters are called.

Question # 6

In________ James Watson and Francis Crick proposed the structure for DNA.

Question # 7

How many hydrogen bounds are formed between adenine and thymine?


Question # 8

Chromatin is made up of:

Question # 9

ABO blood system is controlled by a gene I The number of alleles I.The number of alleles of this gene are:

Question # 10

International breeding between individuals for certain traits, or combination of traits is called as.

Question # 11

Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:

Question # 12

Among following, which is source of variations?

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10th Class (English Medium) Biology Chapter 6 Important MCQ's

Sr.# Question Answer
1 The Allele which is not expressed is called:
A. Dominant
B. Recessive
C. Homozygous
D. Hetrozygous
2 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 offspring will be.
A. 1/4 green , 3/4 yellow
B. All yelow
C. 1/4 yellow, 3/4 green
D. All green
3 Charles Darwin published a book "on the origin of species by means of Natural Selection" in:
A. 1858
B. 1859
C. 1889
D. 1890
4 How many genotypes are possible for the allele ''A'' and ''a'' ?
A. two
B. three
C. four
D. seven
5 An organism's expressed physical trait, such as seed colour or pod shape is called its.
A. Genotype
B. Phenotype
C. Physical type
D. Karyotype
6 Genes consist of:
A. DNA
B. RNA
C. mRNA
D. Protein
7 Adenine always pairs with:
A. thymine
B. guanine
C. cytosine
D. uracil
8 The specific combination of genes in an individual is called.
A. Phenotype
B. Genotype
C. Karyotype
D. Phenoopy
9 Ribosome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein . This step is known as.
A. Combination
B. Replication
C. Transcription
D. Translation
10 ____________ hydrogen bonds are present between cytosine and guanine:
A. 2
B. 3
C. 4
D. 5

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    Waqas

    22 Sep 2019

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