Biology MCQs

11. Which of the following arteries supplies blood to the heart? (UPSC Prelims 1997)
[A] Carotid arteries
[B] Hepatic arteries
[C] Coronary arteries
[D] Pulmonary arteries

Show Answer

12. In a bisexual flower, if androecium and gynaecium mature at different times, which of the following is the name given to the phenomenon? (UPSC Prelims 2002)
[A] Dichogamy
[B] Herkogamy
[C] Heterogamy
[D] Monogamy

Show Answer

13. The theory of DNA structure and nature was propounded by __?
[A] Oswald Avery
[B] James Black
[C] Watson and Crick
[D] John Eccles

Show Answer

14. Who introduced the three kingdoms of classification?
[A] RH Whittaker
[B] Ernest Haeckel
[C] Copeland
[D] Carolus Linnaeus

Show Answer

15. Which of the following is not an example of Fungi?
[A] Mushroom
[B] Euglena
[C] Mucor
[D] Albugo

Show Answer

16. Which is the largest phylum of Animalia?
[A] Arthropoda
[B] Annelida
[C] Moluska
[D] Aves

Show Answer

17. What is Rancidity?
[A] Deterioration of Fat
[B] Deterioration of Glucose
[C] Deterioration of Protein
[D] Deterioration of Vitamins

Show Answer

18. Which of the following compounds is not found in protein?
[A] Carbon
[B] Hydrogen
[C] Sulfur
[D] Helium

Show Answer

19. Which virus is most susceptible to chloroform?
[A] Herpes
[B] Influenza
[C] Measles
[D] All of these

Show Answer

20. Who is known as the “Father of Phycology”?
[A] Fritsch
[B] Papenfus
[C] Smith
[D] Morris

Show Answer