Biology Multiple Choice Question MCQ
Categories: BIO Multiple Choice Question
1. Which among the following hormone can be used as a drug to treat cardiac arrest and some other cardiac problems? [A] Thyroxin [B] Epinephrine [C] Calcitonin [D] Insulin Correct Answer: B 2. Deficiency of Tocopherol leads to sterility in males and females. The popular word for Tocopherol is ___? [A] Vitamin B3 [B] Vitamin K [C] Vitamin D [D] Vitamin E Correct Answer: D [Vitamin E] 3. Down Syndrome is also known as: [A] Edwards syndrome [B] Patau syndrome [C] Mongolism [D] None of the above Correct Answer: C [Mongolism] 4. Lipoproteins which are the large molecules and which transport the cholesterol in the bloodstream are ______-? [A] protein molecules [B] fat molecules [C] protein and fat molecules [D] Lipids Correct Answer: C [protein and fat molecules] 5. Horses can also digest cellulose from grasses because _______? [A] They are ruminants and have two stomachs [B] They have a long alimentary Canal [C] They have hind gut [D] They don’t digest cellulose Correct Answer: C [They have hind gut] 6. Human Papilloma Virus is related to which of the following diseases? [A] Prostate Cancer [B] Cervical Cancer [C] Lymphatic Filariasis [D] Leukemia Correct Answer: B [Cervical Cancer] 7. Which of the following is the result of the decrease in white blood cells? [A] Decrease in Antibodies [B] Increase in Antigens [C] Increase in Antibodies [D] No change Correct Answer: A [Decrease in Antibodies] 8. Which of the following is a living fossil? [A] Blue green algae [B] Green algae [C] Fungus [D] Ginkgo Correct Answer: B [Green algae] 9. When compared to the mammals, birds are less sensitive to temporary deprivation of water, because? [A] The water requirement per unit weight is less in birds than in mammals. [B] Absorption of water from the gut is more efficient in birds than in mammals. [C] Urea excretion in mammals entails a greater loss of water than that in birds. [D] None of these Correct Answer: A [The water requirement per unit weight is less in birds than in mammals.] 10. Where does exchange of gases (O2 and CO2) take place in our lungs? [A] Alveoli [B] Bronchi [C] Pleura [D] Trachea Correct Answer: A [Alveoli] 11. To which of the following kingdoms does the yeast belong to? [A] Bacteria [B] Virus [C] Fungus [D] None of the above. Correct Answer: C [Fungus] 12. Which of the following is a sexual spore? [A] Ascospore [B] Sporangiospore [C] Conidia [D] Zoospore Correct Answer: A [Ascospore] 13. Where is cytochrome P450 found in the cell? [A] lysosomes [B] endoplasmic reticulum [C] ribosomes [D] None of these Correct Answer: B [endoplasmic reticulum] 14. Who among the following discovered the cell wall? [A] Robert Hooke [B] Boveri [C] J Rhodin [D] Van Beneden Correct Answer: A [Robert Hooke] 15. In which part of the body cholesterol is synthesized? [A] Pancreas [B] Liver [C] Spleen [D] Stomach Correct Answer: B [Liver] 16. Which of the following is true about the cell wall of Gram-positive bacteria? [A] It consists of multiple layers [B] It is thicker than that associated with gram-negative bacteria [C] It contains teichoic acids [D] All of these Correct Answer: D [All of these] 17. Algae cell wall is made up of which of the following? [A] Chitin [B] Cutin [C] Cellulose [D] Suberin Correct Answer: C [Cellulose] 18. Which of the following is wrong for bryophytes? [A] Vascular tissue lacking clear [B] Independent sporophyte absent clear [C] Gametophyte reduced and dependent done [D] Asexual reproduction by zoospores absent Correct Answer: C [Gametophyte reduced and dependent done] 19. What is the pollination medium in Malacophilous? [A] bats [B] water [C] air [D] snails Correct Answer: D [snails] 20. Which of the following is a calyx? [A] the second whorl of a flower [B] the third whorl of the flower [C] the outermost whorl of a flower [D] None of these Correct Answer: C [the outermost whorl of a flower]