Biology: Inheritance, Variation

Inheritance, Variation, Evolution
1 / 44
suivant
Slide 1: Diapositive
BiologyUpper Secondary (Key Stage 4)Further Education (Key Stage 5)GCSE

Cette leçon contient 44 diapositives, avec quiz interactifs, diapositives de texte et 3 vidéos.

time-iconLa durée de la leçon est: 55 min

Éléments de cette leçon

Inheritance, Variation, Evolution

Slide 1 - Diapositive

Slide 2 - Diapositive

Slide 3 - Vidéo

In asexual reproduction, how many parents are involved?

A
Two
B
One
C
It varies
D
None

Slide 4 - Quiz

What is the result of asexual reproduction in terms of genetic similarity between parent and offspring?
A
Offspring are genetically diverse
B
Genetic material is lost in offspring
C
Offspring have a mix of genetic material
D
Offspring are genetically identical clones

Slide 5 - Quiz

Which reproductive process involves the formation of clones without the fusion of gametes?
A
Sexual reproduction
B
Mitosis
C
Meiosis
D
Fertilization

Slide 6 - Quiz

How many parents are involved in sexual reproduction?

A
one
B
two
C
three
D
none

Slide 7 - Quiz

What is the result of the fusion of male and female gametes in sexual reproduction?
A
Zygote
B
Embryo
C
Haploid
D
Diploid

Slide 8 - Quiz

In sexual reproduction, what is the chromosome number in gametes?

A
Diploid
B
Triploid
C
Tetraploid
D
Haploid

Slide 9 - Quiz

Which process creates genetically different gametes in sexual reproduction?
A
Meiosis
B
Mitosis
C
Fertilization
D
Replication

Slide 10 - Quiz

What term is used to describe the offspring produced in sexual reproduction in terms of genetic differences?
A
Clones
B
Identical
C
Genetically different
D
Haploid

Slide 11 - Quiz

What process creates gametes in sexual reproduction, and where does it occur?
A
Mitosis; male reproductive organs
B
Meiosis; male and female reproductive organs
C
Fertilization; female reproductive organs
D
Meiosis; only in females

Slide 12 - Quiz

Which Electromagnetic wave cannot damage DNA and cause ionisation?
A
Gamma
B
Infrared
C
UV
D
X-ray

Slide 13 - Quiz

What is the purpose of adaptation?
A
To help organisms survive and thrive in their environment.
B
To eliminate competition.
C
To create new species.
D
To change an organism's DNA.

Slide 14 - Quiz

Slide 15 - Vidéo

How is DNA found in Prokaryotes?
A
In a nucleus
B
In a membrane bound organelle
C
As a plasmid
D
As a plasmid or free floating within the cytoplasm

Slide 16 - Quiz

What is the function of C?
A
Contains DNA
B
Respiration
C
Controls what enters and leaves the cell
D
Site of chemical reactions

Slide 17 - Quiz

What is the function of B?
A
Contains DNA
B
Respiration
C
Controls what enters and leaves the cell
D
Site of chemical reactions

Slide 18 - Quiz

Where is the DNA stored in both plant and animal cells
A
Cell wall
B
Nucleus
C
Chloroplasts
D
Vacuole

Slide 19 - Quiz

What is an enzyme?
A
A type of carbohydrate
B
A form of DNA
C
A protein that speeds up chemical reactions
D
A type of lipid

Slide 20 - Quiz

Apart from estimating the time of death, what other aspects of a criminal investigation can forensic entomology contribute to?
A
Blood analysis
B
DNA profiling
C
Identifying the murder weapon
D
Providing alibi evidence

Slide 21 - Quiz

What is the chemical composition of the genetic material in the nucleus of a cell?
A
RNA
B
DNA
C
Proteins
D
Carbohydrates

Slide 22 - Quiz

How is DNA structured in the nucleus, forming a distinctive shape?

A
Single helix
B
Triple helix
C
Quadruple helix
D
Double helix

Slide 23 - Quiz

Why is each person's DNA considered unique, except for identical twins?

A
They have different chromosomes
B
They have different genes
C
DNA is a polymer
D
DNA fingerprinting reveals distinct patterns

Slide 24 - Quiz

Which letter is pointing to the bacterial DNA?
A
A
B
C
C
E
D
G

Slide 25 - Quiz

Which letter is pointing to the bacterial DNA?
A
D
B
E
C
F
D
H

Slide 26 - Quiz

Which letter is pointing to the bacterial DNA?
A
A
B
B
C
C
D
D

Slide 27 - Quiz

What is the function of the bacterial DNA loop?
A
Enabling the cell to move.
B
Providing an extra layer of protection.
C
Extra storage of DNA that can be transferred.
D
Contains the genetic information of the cell.

Slide 28 - Quiz

What type of evidence is typically collected at a taphonomic scene?
A
Ballistic evidence
B
Insect activity and plant growth
C
Fingerprint evidence
D
DNA evidence

Slide 29 - Quiz

Which statement describes adaptation?
A
A process that creates new species
B
A characteristic that helps an organism survive in its environment
C
A type of variation
D
A change in an organism's DNA

Slide 30 - Quiz

Which enzyme is used in the COVID tests to turn RNA into DNA
A
Transcriptase
B
Tripase
C
Triptilase
D
Reverse transcriptase

Slide 31 - Quiz

By repeatedly heating and cooling DNA with a primer, the DNA building enzyme makes millions of copies of
A
Cell DNA
B
Host DNA
C
Virus DNA
D
Primer

Slide 32 - Quiz

Fluorescent dye molecules bind to the virus DNA as it is copied. Binding them makes them give off more light, which is used to....
A
Confirm the presence of the virus
B
Confirm the absence of the virus

Slide 33 - Quiz

What are alleles?
A
Mutated chromosomes
B
Segments of DNA
C
Genetic mutations
D
Different forms of a gene

Slide 34 - Quiz

What is the function of the ribosome
A
To support the cell
B
To synthesise proteins
C
To carry out photosynthesis
D
Contains DNA

Slide 35 - Quiz

Slide 36 - Vidéo

What causes variation in a population?
A
Natural disasters.
B
Human interference.
C
Random chance.
D
Genetic inheritance and environmental factors.

Slide 37 - Quiz

What is variation?
A
Differences in traits or characteristics among individuals.
B
The process of adaptation.
C
A type of genetic mutation.
D
The study of different species.

Slide 38 - Quiz

What do chemoreceptors detect in the body?
A
Temperature variations
B
Body movements
C
Pressure changes
D
Chemical stimuli such as changes in pH or concentration

Slide 39 - Quiz

What do mechanoreceptors detect?
A
Temperature variations
B
Chemical changes
C
Body position
D
Physical deformation or mechanical pressure

Slide 40 - Quiz

What is variation?
A
The process of reproduction
B
The process of evolution
C
Differences in traits between individuals of the same species
D
The process of adapting to the environment

Slide 41 - Quiz

Which statement describes adaptation?
A
A process that creates new species
B
A characteristic that helps an organism survive in its environment
C
A type of variation
D
A change in an organism's DNA

Slide 42 - Quiz

Why is variation important for a species?
A
It ensures uniformity in a population
B
It increases the chances of survival in changing environments
C
It prevents competition between individuals
D
It leads to rapid reproduction

Slide 43 - Quiz

Loss of genetic variation can happen only because of humans
A
True
B
False

Slide 44 - Quiz