Biology: Inheritance, Variation

• Biology
• Upper Secondary (Key Stage 4)
• Further Education (Key Stage 5)
• GCSE

Inheritance, Variation, Evolution

AQA Slides

Lesson plan Slides

In asexual reproduction, how many parents are involved?

1. Two
2. One
3. It varies
4. None

What is the result of asexual reproduction in terms of genetic similarity between parent and offspring?

1. Offspring are genetically diverse
2. Genetic material is lost in offspring
3. Offspring have a mix of genetic material
4. Offspring are genetically identical clones

Which reproductive process involves the formation of clones without the fusion of gametes?

1. Sexual reproduction
2. Mitosis
3. Meiosis
4. Fertilization

How many parents are involved in sexual reproduction?

1. one
2. two
3. three
4. none

What is the result of the fusion of male and female gametes in sexual reproduction?

1. Zygote
2. Embryo
3. Haploid
4. Diploid

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

1. Diploid
2. Triploid
3. Tetraploid
4. Haploid

Which process creates genetically different gametes in sexual reproduction?

1. Meiosis
2. Mitosis
3. Fertilization
4. Replication

What term is used to describe the offspring produced in sexual reproduction in terms of genetic differences?

1. Clones
2. Identical
3. Genetically different
4. Haploid

What process creates gametes in sexual reproduction, and where does it occur?

1. Mitosis; male reproductive organs
2. Meiosis; male and female reproductive organs
3. Fertilization; female reproductive organs
4. Meiosis; only in females

Which Electromagnetic wave cannot damage DNA and cause ionisation?

1. Gamma
2. Infrared
3. UV
4. X-ray

What is the purpose of adaptation?

1. To help organisms survive and thrive in their environment.
2. To eliminate competition.
3. To create new species.
4. To change an organism's DNA.

How is DNA found in Prokaryotes?

1. In a nucleus
2. In a membrane bound organelle
3. As a plasmid
4. As a plasmid or free floating within the cytoplasm

What is the function of C?

1. Contains DNA
2. Respiration
3. Controls what enters and leaves the cell
4. Site of chemical reactions

What is the function of B?

1. Contains DNA
2. Respiration
3. Controls what enters and leaves the cell
4. Site of chemical reactions

Where is the DNA stored in both plant and animal cells

1. Cell wall
2. Nucleus
3. Chloroplasts
4. Vacuole

What is an enzyme?

1. A type of carbohydrate
2. A form of DNA
3. A protein that speeds up chemical reactions
4. A type of lipid

Apart from estimating the time of death, what other aspects of a criminal investigation can forensic entomology contribute to?

1. Blood analysis
2. DNA profiling
3. Identifying the murder weapon
4. Providing alibi evidence

What is the chemical composition of the genetic material in the nucleus of a cell?

1. RNA
2. DNA
3. Proteins
4. Carbohydrates

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

1. Single helix
2. Triple helix
3. Quadruple helix
4. Double helix

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

1. They have different chromosomes
2. They have different genes
3. DNA is a polymer
4. DNA fingerprinting reveals distinct patterns

Which letter is pointing to the bacterial DNA?

1. A
2. C
3. E
4. G

Which letter is pointing to the bacterial DNA?

1. D
2. E
3. F
4. H

Which letter is pointing to the bacterial DNA?

1. A
2. B
3. C
4. D

What is the function of the bacterial DNA loop?

1. Enabling the cell to move.
2. Providing an extra layer of protection.
3. Extra storage of DNA that can be transferred.
4. Contains the genetic information of the cell.

What type of evidence is typically collected at a taphonomic scene?

1. Ballistic evidence
2. Insect activity and plant growth
3. Fingerprint evidence
4. DNA evidence

Which statement describes adaptation?

1. A process that creates new species
2. A characteristic that helps an organism survive in its environment
3. A type of variation
4. A change in an organism's DNA

Which enzyme is used in the COVID tests to turn RNA into DNA

1. Transcriptase
2. Tripase
3. Triptilase
4. Reverse transcriptase

By repeatedly heating and cooling DNA with a primer, the DNA building enzyme makes millions of copies of

1. Cell DNA
2. Host DNA
3. Virus DNA
4. Primer

Fluorescent dye molecules bind to the virus DNA as it is copied. Binding them makes them give off more light, which is used to....

1. Confirm the presence of the virus
2. Confirm the absence of the virus

What are alleles?

1. Mutated chromosomes
2. Segments of DNA
3. Genetic mutations
4. Different forms of a gene

What is the function of the ribosome

1. To support the cell
2. To synthesise proteins
3. To carry out photosynthesis
4. Contains DNA

What causes variation in a population?

1. Natural disasters.
2. Human interference.
3. Random chance.
4. Genetic inheritance and environmental factors.

What is variation?

1. Differences in traits or characteristics among individuals.
2. The process of adaptation.
3. A type of genetic mutation.
4. The study of different species.

What do chemoreceptors detect in the body?

1. Temperature variations
2. Body movements
3. Pressure changes
4. Chemical stimuli such as changes in pH or concentration

What do mechanoreceptors detect?

1. Temperature variations
2. Chemical changes
3. Body position
4. Physical deformation or mechanical pressure

What is variation?

1. The process of reproduction
2. The process of evolution
3. Differences in traits between individuals of the same species
4. The process of adapting to the environment

Which statement describes adaptation?

1. A process that creates new species
2. A characteristic that helps an organism survive in its environment
3. A type of variation
4. A change in an organism's DNA

Why is variation important for a species?

1. It ensures uniformity in a population
2. It increases the chances of survival in changing environments
3. It prevents competition between individuals
4. It leads to rapid reproduction

Loss of genetic variation can happen only because of humans

1. True
2. False