Vermicomposting MCQs Multiple Choice Questions with Answers

1. Which of the following is a mixture of ingredients used to fertilize and improve the soil?a. Phosphatic fertilizersb. Myceliumc. Compostd. Alfa-alfaAnswer: c. Compost 2. Which of the following earthworm specie is not recommended for vermicomposting?a. Eudrilus eugeniaeb. Eisenia fetidac. Perionyx excavatesd. Pheretima PosthumaAnswer: d. Pheretima Posthuma 3. Which of the following worms are used … Read more

AIDS Acquired Immunodeficiency Syndrome MCQs Questions with Answers

1. What does AIDS stands for?a. Acute immune deficiency syndromeb. Human immunodeficiency syndromec. Acquired immune deficiency systemd. Acquired immune declined systemAnswer: b. Human immunodeficiency syndrome 2. The AIDS epidemic officially began on 5 June 1981 in:a. Russiab. UKc. USAd. FranceAnswer: c. USA 3. Who firstly discovered the causative agent of AIDS in 1983?a. Oxford institute … Read more

Chlorofluorocarbons CFCs MCQs Multiple Choice Questions with Answers

1. The depletion of the ozone layer is caused by:a. Carbon dioxideb. Nitrous oxidec. Methaned. ChlorofluorocarbonsAnswer: d. Chlorofluorocarbons 2. Montreal protocol is related to:a. Global warmingb. Ozone depletionc. Climatic changesd. Biodiversity hotspotAnswer: b. Ozone depletion 3. Who discovered the ozone layer? Hint: discovered in 1913a. Henry and Charlesb. Carl and Charlesc. G. M.B Dobsond. Carl … Read more

Molecular Biology MCQs Multiple Choice Questions with Answers

1. The biology that deals with the structure and function of the macromolecules e.g. proteins and nucleic acids is known as:a. Microbiologyb. Molecular biologyc. Biotechnologyd. Environmental biologyAnswer: b. Molecular biology 2. How many bio-elements account for 99% of the total mass?a. Sevenb. Threec. Sixd. TenAnswer: c. Six 3. At which position on the ribose ring … Read more

Nitrogen Cycle Multiple Choice Questions MCQs with Answers

1. The largest reservoir of nitrogen is…?a. Soilb. Waterc. Aird. RocksAnswer: c. Air 2. How much of the atmosphere is made up of nitrogen?a. 21%b. 78%c. 80%d. 50%Answer: b. 78% 3. In living organisms, nitrogen is present in form of:a. Elementb. Freec. Combinedd. Amino acidsAnswer: d. Amino acids 4. A completely free-living organism which takes … Read more

Photosynthesis Multiple Choice Questions MCQs with Answers

1. In photosynthesis; the light-independent reactions take place at:a. Stromal matrixb. Thylakoid lumenc. Photosystem Id. Photosystem IIAnswer: a. Stromal matrix 2. The aldehyde which is formed during the photosynthesis of plants is:a. Methanalb. Acetaldehydec. Propanald. EthanalAnswer: a. Methanal 3. About 80% of the photosynthesis that takes place on this earth is carried out by:a. Treesb. … Read more

Human Physiology MCQ Multiple Choice Questions with Answers

1. An individual skeletal muscle may be made up of hundreds of:a. Microfilamentb. Sarcolemmac. Myofibrilsd. Muscles fiberAnswer: d. Muscles fiber 2. A sarcomere is the region of a myofibril between two successive:a. M-linesb. L-bondsc. Z-linesd. T-tubulesAnswer: c. Z-lines 3. Calcium ion released during a muscle fiber contraction attached with:a. Myosinb. Tropomyosinc. ActInd. TroponinAnswer: d. Troponin … Read more

Human Reproduction MCQs Multiple Choice Questions with Answers

1. The release of seminal fluid into the vagina is known as:a. Ejaculationb. Impotencyc. Implantationd. InseminationAnswer: d. Insemination 2. Which of the following is an unpaired gland in the male reproductive system?a. Prostate glandb. Seminal vesiclec. Cowper’s glandd. Barthoin glandAnswer: a. Prostate gland 3. Progesterone hormone is secreted by:a. Corpus albicansb. Corpus collosumc. Corpus luteumd. … Read more

Living World MCQs Multiple Choice Questions with Answers

1. Which of the following features is shared by all living organisms?a. Cell wallb. DNA or RNAc. Meiosisd. Membrane bound organellesAnswer: b. DNA or RNA 2. Which of the following is utilized by all living organisms?a. CO2b. Oxygenc. ADP as cellular energyd. A triplet genetic code to produce proteinsAnswer: d. A triplet genetic code to … Read more

Animal Physiology MCQs Multiple Choice Questions with Answers

1. The endoskeleton is primarily made up of how many types of tissues?a. Oneb. Twoc. Threed. FourAnswer: b. Two 2. Which of the following cartilage is present on the end of long bones?a. Hyaline cartilageb. Fibrous cartilagec. Calcified cartilaged. Elastic cartilageAnswer: a. Hyaline cartilage 3. In which of these moulting of exoskeleton occurs from time … Read more