Biology Learning Videos - Dr. BbosaEXPLORE ALL

DNA, RNA and protein synthesis

Bbosa Science- 02/19/2021 4

Nucleotides, bases, evidences that DNA is the genetic material, comparison between the structure of DNA and RNA; replication, transcription, and translation Read More

Asexual reproduction and alternative generation

Bbosa Science- 02/19/2021 1

Advantages and disadvantages of asexual reproduction, alteration of generations in bryophytes and ferns; comparison of life cycle of moss and ferns Read More

Meiosis and mitosis revision questions

Bbosa Science- 02/19/2021 1

Questions set to test and aid understanding of cell division at a-level Read More

A-level biology videosEXPLORE ALL

DNA, RNA and protein synthesis

Bbosa Science- 02/19/2021 4

Nucleotides, bases, evidences that DNA is the genetic material, comparison between the structure of DNA and RNA; replication, transcription, and translation Read More

Asexual reproduction and alternative generation

Bbosa Science- 02/19/2021 1

Advantages and disadvantages of asexual reproduction, alteration of generations in bryophytes and ferns; comparison of life cycle of moss and ferns Read More

Meiosis and mitosis revision questions

Bbosa Science- 02/19/2021 1

Questions set to test and aid understanding of cell division at a-level Read More

Cell divisions (meiosis and mitosis)

Bbosa Science- 02/19/2021 0

Stages of meiosis and mitosis and comparison between mitosis and meiosis Read More

Ecology Essay questions

Bbosa Science- 02/19/2021 0

Questions selected to test and enable understanding of ecology Read More

Ecology structured questions

Bbosa Science- 02/19/2021 2

Questions selected to test and enable understanding of the topic of ecology Read More

O level chemistry videosEXPLORE ALL

Genotype
Bbosa Science- 06/05/2021 2

Genotype This is the genetical constitution of an organism i.e. the particular set alleles, leading to observable characteristics Please Subscribe to promote this website. Subscription ... Read More

Preparation of hydrogen
Bbosa Science- 07/11/2020 4

procedure of preparation of hydrogen and worked examples Read More

Preparation of oxygen with worked examples (O-level chemistry)
Bbosa Science- 07/08/2020 3

https://youtu.be/mBPSCDU8jws principles of preparation of gases i.e. preparatory state, purification stage, drying stage, and collection stage. Preparation oxygen, sample questions and answers Read More

Preparation of gases, hydrogen (o-level chemistry)
Bbosa Science- 06/24/2020 2

https://youtu.be/uewj-Arxnys Stages of gas preparation, preparation of oxygen, testing for oxygen Read More

Bio Questions and AnswersEXPLORE ALL

Bio Questions and answers

Dental formula for rabbit

Bbosa Science- 10/02/2022 0

The dental formula for a rabbit is I2/1, C0/0, P3/2, and M3/3, for a total of 28 teeth Read More

Dental formula for rabbit
Example of aggregate fruits

Example of aggregate fruits

Bio Questions and answersBbosa Science- 10/01/2022 0

A type of fruit that develops from a single flower of many simple pistils. Examples are blackberries, strawberries and raspberries where each fleshy lobe is actually an ... Read More

Example of multiple fruits

Example of multiple fruits

Bio Questions and answersBbosa Science- 10/01/2022 1

A multiple fruit is atype of fruit that develops from the ovaries of many flowers growing in a cluster or that are fused together into ... Read More

How does air pollution affect living organisms

How does air pollution affect living organisms

Bio Questions and answersBbosa Science- 09/30/2022 0

Illness such as pneumonia or bronchitis, headache, nausea e.t.c Bad smell Irritation to nose, throat, eyes and skin Cause cancer Damage body organs, liver brain ... Read More

Outline the human activities that cause air pollution

Outline the human activities that cause air pollution

Bio Questions and answersBbosa Science- 09/30/2022 0

Emission from factories Emission from cars, aeroplane, aerosol cans Cigarette smocking Burning of rubbish Burning fuel such coal, kerosene Read More

What is air pollution?

What is air pollution?

Bio Questions and answersBbosa Science- 09/30/2022 0

Air pollution is the presence in or introduction into the air of a substance which has harmful or poisonous effects. Read More

Describe an experiment to show that  anaerobic respiration takes place in yeast.

Describe an experiment to show that anaerobic respiration takes place in yeast.

Bio Questions and answersBbosa Science- 09/29/2022 0

Yeast break down glucose (food) into ethanol, carbon dioxide and releases energy. It is a type of cellular respiration that takes place in the absence of ... Read More