2021. Different species of plants and animals living in the same habitat is called?
✅ B. Community
Option A: Population Option B: Community Option C: Biome Option D: Habitat Correct Answer : Community Read more
Biology MCQs – Page 102
2022. Which of the following pathogen type cause disease that can be treated with antibiotics ?
✅ A. bacteria
Option A: bacteria Option B: fungi Option C: virus Option D: none of these Correct Answer : bacteria Read more
2023. A large regional community primarily determined by climate is called ?
✅ C. Biome
Option A: Population Option B: Community Option C: Biome Option D: Habitat Correct Answer : Biome Read more
2024. Oxygen accounts for ____ % of totals human body mass?
✅ A. 65%
Option A: 65% Option B: 18% Option C: 10% Option D: 3% Correct Answer : 65% Read more
2025. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
✅ B. A molecule
Option A: An organ Option B: A molecule Option C: Tissue Option D: Both a and c Correct Answer : A molecule Read more
2026. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?
✅ A. Molecular biologists
Option A: Molecular biologists Option B: Microbiologists Option C: Freshwater biologists Option D: Social biologist Correct Answer : Molecular biologists Read more
2027. On wound __________ fight foreign particles, like bacteria?
✅ A. White Blood cells
Option A: White Blood cells Option B: Red Blood Cells Option C: Platelets Option D: Plasma Correct Answer : White Blood cells Read more
2028. Sythetic insulin from pork was formed by which technique?
✅ A. Biotechnology
Option A: Biotechnology Option B: Social biological techniques Option C: Parasitology Option D: Both a and c Correct Answer : Biotechnology Read more
2029. Blood is carried towards the heart by __________?
✅ C. Veins
Option A: Arteries Option B: Capillaries Option C: Veins Option D: none of these Correct Answer : Veins Read more
2030. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
✅ B. Social biology
Option A: Environmental biology Option B: Social biology Option C: Human biology Option D: Both b and c Correct Answer : Social biology Read more
2031. __________ is essential for the formation of hemoglobin.
✅ B. Iron
Option A: Calcium Option B: Iron Option C: Water Option D: Carbohydrates Correct Answer : Iron Read more
2032. Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
✅ B. 16
Option A: 6 Option B: 16 Option C: 26 Option D: 15 Correct Answer : 16 Read more
2033. ___________ are needed as a source of energy for the vital activities of the body?
✅ D. Carbohydrates
Option A: Calcium Option B: Iron Option C: Water Option D: Carbohydrates Correct Answer : Carbohydrates Read more
2034. About __________ of the body weight of a mammal is water ?
✅ C. 70%
Option A: 60% Option B: 65% Option C: 70% Option D: 75% Correct Answer : 70% Read more
2035. The study of fossils is called?
✅ C. Palaeontology
Option A: Environmental Biology Option B: Historical biology Option C: Palaeontology Option D: Social biology Correct Answer : Palaeontology Read more
2036. Robert Hooke discovered_____________?
✅ C. Cell
Option A: Nucleus Option B: Mitochondria Option C: Cell Option D: DNA Correct Answer : Cell Read more
2037. Steps Involved in scienti¬c method are ?
✅ D. Accumulated data > Hypothesis > Observation & experimentation > New data > Conclusion
Option A: Hypothesis >Accumulated data > observation & experimentation > conclusion Option B: New data > Conclusion > Accumulated data > Observation & experimentation Option C: Accumulated data > New data Observation & experimentation Hypothesis > Conclusion Option D: Accumulated data > Hypothesis > Observation & experimentation > New data > Conclusion Correct Answer : Accumulated data > Hypothesis >… Read more
2038. Malaria is associated with___________?
✅ C. Anopheles Mosquito
Option A: Culex Mosquito Option B: Culiesta Mosquito Option C: Anopheles Mosquito Option D: Culex & Anopheles Mosquito Correct Answer : Anopheles Mosquito Read more
2039. Biologist Grass discovered the life cycle of plasmodium in_______?
✅ C. 1898
Option A: 1896 Option B: 1897 Option C: 1898 Option D: 1899 Correct Answer : 1898 Read more
2040. The ¬rst antibiotic to be discovered was_____________?
✅ A. Penicillin
Option A: Penicillin Option B: Cephalosporin Option C: Amino glycosides Option D: Erythromycin Correct Answer : Penicillin Read more