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WorksheetsAsexual and Sexual reproduction
Total questions: 27
Worksheet time: 27mins
What is the process resulting in the production of genetically identical offspring from one parent.?
Asexual Reproduction
Sexual Reproduction
What type of reproduction is this an example of?
Sexual
Asexual
Select the 3 advantages of asexual reproduction
Reproduction is very quick
Farmers can use plants that don't require seeds
Plants are genetically different
Requires less energy
Which two of these are a disadvantage of asexual reproduction?
Increases variation in the species
Less susceptible to disease
More susceptible to disease
Decreases variation in the species
What is a process involving the fusion of the nuclei of two gametes (sex cells) to form a zygote to produce offspring that are genetically different from each other and from their parents.
Sexual Reproduction
Asexual Reproduction
Organisms that reproduce secually have sex cells. What are these sex cells called?
Grommets
Gametes
Gutter
Games
What is fertilisation?
The fusion of zygotes
The fusion of asexual organisms
The fusion of gametes nuclei
The fusion of gametes cell walls
A zygote contains different DNA. Where does it come from?
Maternal DNA (from the mother) and paternal DNA (from the father)
Maternal DNA (from the father) and paternal DNA (from the mother)
Identify some of the advantages of sexual reproduction (more than one answer).
More resistant to changes in the environment
Farmers can select favourable characteristics from different strains
More susceptible to disease
Less susceptible to disease
Gametes are haploid. What does this mean?
Contain chromosomes in pairs
Not genetically complete
Unable to reproduce
Contain single chromosomes (not in pairs)
What are the nucleotides made of?
Sugar, Phosphate, nitrogen base
Phosphate, Adenine, nitrogen base
Thymine, Adenine, Cytomine
Phosphate, Nitrogen, Adenine
Adenine bonds with ______________.
Guanine
Thymine
Cytosine
Adenine
Guanine bonds with ______________.
Adenine
Guanine
Cytosine
Thymine
What are the 4 nitrogen bases?
adenine, thymine, cytoplasm, and guanine
adenine, thymine cytosine, and guanine
adenine, thymine, cytosine, and gylcerol
adenine, thymine, cytosine, and glucose
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG
In eukaryotes, which organelle is DNA usually found in?
cell membrane
vacuole
chloroplast
nucleus
Which shows the correct complementary base pairing for DNA?
C-A, T-G
A-G, C-T
C-G, U-A
T-A, G-C
What does DNA stand for?
Deoxyribonucleic acid
Denitrogenous acid
Deribonucleic acid
Diribonucleic acid
The sugar in DNA is ?
sucrose
glucose
deoxyribose
fructose
Which of the following monomers are repeatedly joined together to form a strand of DNA?
amino acids
nucleotides
fatty acids
polysaccharides
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate
An organism's reproductive cells, or sex cells, are called _____.
bacteria
prokaryotes
gametes
pathogens
A _______ is a segment of DNA that codes for a specific protein or RNA molecule.
gene
gamete
chromosome
chromatid
How many chromosomes does a human body cell have, total?
48
46
23
47
Cells that contain 2 sets of chromosomes are called _________ (2n).
diploid
haploid
triploid
polyploid
Cells that contain only ONE set of chromosomes are called ________ (n).
diploid
polyploid
triploid
haploid
