10th Class Biology Chapter 7 English Medium Online MCQ Test With Answer

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MCQ's Test For Chapter 7 "Man and His Environment"

Try The MCQ's Test For Chapter 7 "Man and His Environment"

  • Total Questions12

  • Time Allowed15

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Man and His Environment

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Question # 1

In DNA molecule adenine pairs with.

Question # 2

A single stranded chain of nucleotides is.

Question # 3

According to the punett square for teh F2 generation, what is the probability of an offspring having the genotype "rryy'?

Question # 4

A double-stranded, helical molecule is.

Question # 5

"Alleles separate independently of one another during the formation of gametes" is the statemetn of.

Question # 6

At which point the two chromatid of a chromosome are attached.

Question # 7

A cross in which only ne charactristic is studied is.

Question # 8

Which of the following best describes the phenotype ratio of the F2 geneation in a standard dihybrind cross?

Question # 9

The allel which is masked is known as

Question # 10

A true breeding tall plant self-pollinates, it will alwyas produce.

Question # 11

What happens during transcription.

Question # 12

Chromosomes of eukaryotes are made of.

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10th Class (English Medium) Biology (New Book) Chapter 7 Important MCQ's

Sr.# Question Answer
1 How many percel plants of F2 generation received on eT allele and on allele.
A. 25%
B. 50%
C. 75%
D. 65%
2 "Alleles separate independently of one another during the formation of gametes" is the statemetn of.
A. Law of segregation
B. Law of inheritance
C. Law of independent assortment
D. Mendel's law
3 Pea plant has
A. Relatively short generation time
B. Easily distinguisheable charcteristic
C. abilty of self pollination 
D. All of these properties
4 The half of chromosome is called.
A. Centromere
B. Loci
C. Allele
D. Chromatid
5 Formation of messenger RNA from DNA is called.
A. translation 
B. Transcription 
C. Transduction 
D. Translocation
6 The allel which is masked is known as
A. Dominatnt allel
B. Recessive allele
C. Phenotype 
D. Zygous
7 the process of formation of protein is called.
A. Translation 
B. Duplication 
C. Mutation 
D. Replication 
8 Alternate form of gene is called.
A. Chromatin
B. Locus
C. Chromosome
D. Allele
9 The allele that is expresee,d when two separate alleles are inherited.
A. Dominant
B. Recessive
C. Homozygous
D. Heterozygous
10 What is the role of DNA in protein synthesis.
A. produces amino acids
B. prodives the template of mRNA formation
C. Transports proteins
D. Stores proteins

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