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Questions in biology

[Answered] True or false: The terms "hypothesis" and "theory" are considered synonyms.

[Answered] Which of the following determines the structural and functional characteristics of a protein? A. Its vulnerability to mutation B. Its location in the cell C. Its amino acid sequence D. Its metabolic importance

[Answered] C. MULTIPLE CHOICE. Write the letter of the correct answer on the space provided. 1. Which of the following is responsible for the acid-fastness of some organisms? a. Peptidoglycan b. Mycolic acid c. Lipopolysaccharide d. Teichoic acid 2. Which of the following acid-fast staining methods requires steam bathing the organism after addition of carbolfuchsin? a. Ziehl-Neelsen method b. Kinyoun method

[Answered] D. State whether 'true' or 'false': 1. Chlorophyll is soluble in water. F 2. Mistletoe plant is a total parasite. F 3. Drosera plant is an insectivore. T 4. Haustoria help a parasite in sucking nutrition from the body of the host plant. 5. Stomata on leaves remain open during and close during the day.

[Answered] Which species has been most affected by artificial selection? A. Cows B. Mycobacterium tuberculosis C. Bears D. Oak trees

[Answered] 2. Bile is a digestive juice in our body. Which of the following statements about bile is correct? a. It is produced by the gall bladder. b. It contains an enzyme that digests fat. c. It helps break down fat into droplets. d. It stimulates peristaltic movement of the small intestine.

[Answered] Draw a food chain consisting of one producer, three herbivores, and two carnivores. Use your food chain above to answer these questions: i) The producers ii) The herbivores iii) The carnivores

[Answered] Which of the following adaptations enabled plants to reproduce without water? A. Stiff roots B. Waxy cuticles C. Pollen D. Gametophytes

[Answered] What is a point mutation? A. A change in the shape of a protein B. A change in the order of nucleotides C. A change in the order of amino acids D. A change in a single nucleotide

[Answered] 1. In the majority of higher animals and plants, ______ and ______ are mutually exclusive events. A. Growth; nutrition B. Nutrition; consciousness C. Growth; reproduction D. Reproduction; consciousness 2. Select the correct sequence: A. Cell organelles → Molecules → cells → tissues B. Cells → cell organelles → Molecules → tissues C. Cells → Molecules → cell organelles → tissues D. Molecules → cell organelles → cells → tissues 3. African Sleeping Sickness is caused by ______ a. Trypanozoma cruzi b. T. Tangela c. T. rhodesiense d. T. gambiense 4. Phylogenetic classification is based on ______ a. Overall similarities b. Habit of plants c. Common evolutionary descendants d. All of these 5. Cell division occurs ______ in plants and ______ in animals. A. Continuously, only up to a certain age B. Only up to a certain age, continuously C. Continuously, never D. Once, twice 6. The book written by Linnaeus is ______ A. Systema Naturae B. Origin of Species C. Philosophie Zoologic D. None of these 7. Which among the following is involved in the naming of the animals scientifically? a) ICBN b) ICAN c) ICPN d) ICZN 8. Linnaeus used which kingdom of classification? a. Artificial system b. Natural system c. Phylogenetic system d. Asexual system 9. What do you think is the need of nomenclature? a) Scientists can use this term in their seminars b) To have a standard name for an organism instead of having many names in different languages c) Nomenclature is something which is same for all organisms and people need not mention each organism with different names d) Nomenclature looks fancier and more technical than regional names 10. Zoological name of housefly is ______ A. Musca domestica B. Musa parasidiaca C. Apis indica D. Apis dorsata 11. Binomial nomenclature is given by ______ a) Carolus Linnaeus b) Charles Darwin c) Henry Cavendish d) James Chadwick 12. Lion, leopard and tiger come under ______ A. Genus Panthera B. Family Felidae C. Order Carnivora D. All above 13. The word "Taxa" means ______ a) Phyla b) Genus c) Kingdom d) All of the above 14. What is true about Mangifera indica Linn.? A. Mangifera is the species name B. Linn is the generic name C. Indica is the specific epithet D. Mangifera is the name of author