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Biology 10 Chapter 15 - Inheritance - 3
1.
In which of the following two hydrogen bonds are present?
a) Cytosine and guanine
b) Cytosine and thymine
c) Adenine and cytosine
d) Adenine and thymine
2.
In which of the following three hydrogen bonds are present?
a) Cytosine and thymine
b) Cytosine and guanine
c) Adenine and thymine
d) Adenine and cytosine
3.
What occurs to DNA before cell division?
a) Is duplicated
b) Is vanished
c) Is divided
d) None of these
4.
What occurs to DNA before cell division?
a) Is replicated
b) None of these
c) Is vanished
d) Is divided
5.
Why is DNA replicated before cell division?
a) To divide the chromatids of chromosomes
b) To make the copies of the chromatins of chromosomes
c) To make the copies of the chromatids of chromosomes
d) To divide the chromatins of chromosomes
6.
What is the genetic material called?
a) DNA
b) Lipids
c) None of these
d) RNA
7.
What contains the instructions to direct all the functions of cells?
a) DNA
b) RNA
c) Lipids
d) Proteins
8.
What is the role of DNA?
a) Synthesis vitamins
b) Synthesis proteins
c) Synthesis lipids
d) Synthesis carbohydrates
9.
What controls the each and every activity of a cell?
a) DNA
b) RNA
c) Proteins
d) Lipids
10.
What is the working of DNA also called?
a) Central Dogma
b) None of these
c) Outer Dogma
d) Inner Dogma
11.
What makes the characteristic or trait of cell or organism?
a) Lipids
b) Proteins
c) RNA
d) DNA
12.
How are traits made?
a) By specific vitamins
b) By specific proteins
c) By specific carbohydrates
d) By specific lipids
13.
Specific proteins have specific sequence of their ...............acids?
a) Fatty
b) Amino
c) Disaccharide
d) Monosaccharide
14.
What controls the sequence of amino acids?
a) Proteins
b) RNA
c) DNA
d) Lipids
15.
During protein synthesis, what does the sequence of DNA nucleotides decide?
a) Sequence of acetic acids
b) Sequence of carboxylic acids
c) Sequence of amino acids
d) Sequence of fatty acids
16.
What is the process called in which the specific sequence of DNA nucleotides is copied in the form of messenger RNA nucleotides?
a) Transcription
b) Segregation
c) Translation
d) Independent assortment
17.
Where the mRNA carries the sequence of its nucleotides?
a) To cell wall
b) To cell membrane
c) To cytoplasm
d) To ribosome
18.
What reads the sequence of mRNA nucleotides?
a) Cell membrane
b) Ribosome
c) Cell wall
d) Cytoplasm
19.
What joins amino acids to the mRNA nucleotides?
a) Cell wall
b) Cytoplasm
c) Ribosome
d) Cell membrane
20.
What carries the sequence of nucleotides to ribosomes?
a) DNA
b) mRNA
c) RNA
d) Proteins
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