Biology MCQs

11. Consider the following statements with reference to the human body:

  1. The common bile duct releases its contents into the stomach.
  2. The pancreatic duct releases its contents into the duodenum.

Which of the above statements is/are correct? (UPSC Prelims 2006)

[A] I only
[B] II only
[C] Both I and II
[D] Neither I nor II

Show Answer

12. Which vitamin is also called as niacin?
[A] Vitamin C
[B] Vitamin B3
[C] Vitamin B12
[D] Vitamin B9

Show Answer

13. Which of the following whales can be easily identified by the white calluses on their heads?
[A] Humpback Whale
[B] Antarctic Minke Whales
[C] North Atlantic Right Whale
[D] None of the above

Show Answer

14. Who among the following discovered the cell wall?
[A] Robert Hooke
[B] Boveri
[C] J Rhodin
[D] Van Beneden

Show Answer

15. Green algae, red algae and brown algae are common examples of__?
[A] Thallophyta
[B] Bryophyta
[C] Pteridophyta
[D] Gymnosperms

Show Answer

16. Which of the following statements regarding algae is incorrect.
[A] Most algae are photosynthetic
[B] Algae can be classified according to their pigments
[C] All algae are filamentous
[D] Spirogyra does not produce zoospores

Show Answer

17. Fungi that get their food directly from dead organic matter are called?
[A] Predators
[B] Decomposers
[C] Mutualists
[D] Parasitic fungi

Show Answer

18. What is a saprophytic bryophyte?
[A] Buxbaumia aphylla
[B] Ricciocarpus natans
[C] Riccia fluitans
[D] Radula sp

Show Answer

19. Which of the following serves as a storage room for starch in vegetables and fruits?
[A] parenchymatous
[B] collenchyma
[C] sclerenchyma
[D] All of the above

Show Answer

20. The bunchy top disease of the banana plants is caused by which of the following?
[A] Bacteria
[B] Fungus
[C] Virus
[D] None of the above

Show Answer