WorksheetsUnit 2A Test Revision
Total questions: 50
Worksheet time: 30mins
Name the structure which joins the chromatids in a chromosome.
Centromere
Centrosome
Spindle fibres
Chromosome
What is the name given to an organisms characteristic number of chromosomes?
Chromosome Set
Chromosome Pair
Chromosome Complement
Chromosome Supplement
What term is used to describe a cell with two matching sets of chromosomes?
Haploid
Diploid
What term is used to describe a cell which only contains a single set of chromosomes?
Haploid
Diploid
Which of the following is an example of a haploid cell?
Muscle Cell
Sperm Cell
Skin Cell
Liver Cell
What is the purpose of mitosis?
The growth and repair of cells
To pass on genetic information
To produce ATP
To allow the movement of molecules through a selectively permeable membrane
Where do chromosomes line up in the cell before spindle fibres form?
The North Pole
The Equator
The South Pole
The Nucleus
What structures attach to the chromosomes and pull the chromatids to opposite poles?
Cell Membranes
Nuclear Membranes
Spindle Fibres
Cytoplasm
Stem Cells are unspecialised cells.
True
False
Select the correct hierarchy of cells
Tissues > Cells > Organs > Systems
Cells > Organs > Tissues > Systems
Organs > Tissues > Cells > Systems
Cells > Tissues > Organs > Systems
What phase of mitosis is shown in the picture?
The DNA packages into chromosomes
The spindle fibres pull the chromosomes to the poles
The cytoplasm divides
The chromosomes line up along the equator
What phase of mitosis is shown in the picture?
The DNA packages into chromosomes
The chromosomes are pulled towards the poles of the cell
The cytoplasm divides
The chromosomes line up along the equator
The Central Nervous Systems is composed of...
The Brain
The Spinal Cord
The Peripheral Nerves
The Brain and Spinal Cord
State the function of the cerebellum
Responsible for conscious thought, reasoning and memory
Controls heart rate and breathing
Controls balance and coordinated movement
Controls most cell activities
State the function of the cerebrum
Responsible for conscious thought, reasoning and memory
Controls heart rate and breathing
Controls balance and coordinated movement
Controls most cell activities
State the function of the medulla
Responsible for conscious thought, reasoning and memory
Controls heart rate and breathing
Controls balance and coordinated movement
Controls most cell activities
How does information pass along a neuron?
Electrical impulses
Chemicals
What is the name given to the gap between neurons?
Synapse
Cytoplasm
Receptor
Stimuli
Select the correct order of the Reflex Arc
Sensory > Inter > Motor
Motor > Inter > Sensory
Inter > Sensory > Motor
Sensory > Motor > Inter
Which hormones are responsible for the regulation of blood glucose levels?
Insulin and Glucagon
Insulin and Glycogen
Glucagon and Glucose
Glucagon and Glycogen
Which hormone is secreted when your blood glucose level rises?
Insulin
Glucose
Glucagon
Glycogen
Which hormone is secreted when your blood glucose level lowers?
Insulin
Glucose
Glycogen
Glucagon
Which organ secretes insulin?
Liver
Pancreas
Teste
Stomach
What is excess glucose stored as in the liver and muscle cells?
Glucose
Glycogen
Glucagon
Insulin
Which line in the table correctly identifies the male gamete and site of production in a plant?
A
B
C
D
What is the biological term for a sex cell?
Gamete
Mitosis
Parent
Offspring
What is the male gamete in animals?
Sperm
Egg
Pollen
Ovule
What is the female gamete in animals?
Sperm
Egg
Pollen
Ovule
What is the female gamete in plants?
Sperm
Egg
Pollen
Ovule
Gametes are haploid
True
False
The nuclei of male and female gametes fuse together to form a
Zygote
Embryo
Baby
Fetus
Sperm are produced in the
Testes
Ovary
Anther
Uterus
Eggs are produced in the
Oviduct
Ovary
Anther
Uterus
What term is given to the process of the nuclei of the male and female gametes fusing together?
Fertilisation
Reproduction
Mitosis
Protein Synthesis
What term is used to describe the differences that exist between members of the same species?
Chromosomes
Inheritance
Variation
Fertilisation
Which form of variation is a form of Single Gene Inheritance?
Discrete Variation
Continuous Variation
Which form of variation is a form of Polygenic Inheritance?
Discrete Variation
Continuous Variation
Which form of variation can be measured and has a range of values?
Discrete Variation
Continuous Variation
Which form of variation can be classified into distinct groups?
Discrete Variation
Continuous Variation
Which of the following is an example of discrete variation?
Length of index finger
Eye colour
Height
Foot size
Which of the following is an example of continuous variation?
Ear wax type
Hair colour
Hand span
Eye colour
What term is given to a different form of a gene?
Chromosome
Chromatid
DNA
Allele
Which of the following is an example of a dominant allele?
A
a
What term is used to describe a genotype with two of the same alleles?
Homozygous
Heterozygous
What would the genotype Tt be termed as?
Heterozygous
Homozygous Dominant
Homozygous Recessive
Describe why offspring will not necessarily follow the expected genotype ratio
Fertilisation is random
Fertilisation is inaccurate
Punnet squares are not reliable
Different alleles appear during fertilisation
What is the definition of a phenotype?
An individuals alleles for a particular characteristic
An individuals physical appearance
The differences between members of the same species
Variation that can be measured
