11. Trichology is related to which of the following statement?
[A] Study of nutrition
[B] Study of skin and stuffing
[C] Study of bony joints and ligaments
[D] Study of hair
Show Answer
Correct Answer: D [Study of hair]
Notes:
Trichology is the science of the structure, function and diseases of human hair.
12. Which of the following concepts was explained by Stephen Hales?
[A] new species are formed from the sudden and unexpected emergence of alterations in their defining traits.
[B] plant function and behaviour
[C] principles of genetics and inheritance to the improvement of the human race
[D] None of these
Show Answer
Correct Answer: B [plant function and behaviour]
Notes:
Plant physiology is the study of plant function and behaviour. This concepts was explained by Stephen Hales.
13. Which of the following is not the Class of Biomolecules?
[A] Carbohydrate
[B] Proteins
[C] Catalyst
[D] Nucleic acids and Lipids
Show Answer
Correct Answer: C [Catalyst]
Notes:
Biomolecules are organic molecules, which are involved in the metabolic process of the living organism. The four important classes of biomolecules are carbohydrates, Proteins, Nucleic acids and Lipids.
14. Bacteria come under which type of organisms?
[A] Single-celled
[B] Microscopic
[C] Living
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Bacteria are single-celled microorganisms that do not have a nucleus and other cell organelles. They are classified as prokaryotic organisms.
15. Which class has the largest number of animals?
[A] Fishes
[B] Reptiles
[C] Insects
[D] Mammals
Show Answer
Correct Answer: C [Insects]
Notes:
Insects or class Insecta includes the largest number of animals in the world. The total number of insect species is estimated at around 6 to 10 million. It comprises more than 90% of animal life on Earth.
16. What causes ankylostomiasis disease?
[A] pinworm
[B] Filarial worm
[C] roundworms
[D] Hookworm
Show Answer
Correct Answer: D [Hookworm]
Notes:
Hookworm causes ankylostomiasis disease. It causes anemia. They stick to the intestinal wall and suck the blood causing anemia.
17. Which Mollusca is considered a living fossil and also shows signs of annelids such as nephridia and internal division?
[A] Pinctada Vulgaris
[B] Nautilus
[C] Neopilina galatheca
[D] None of these
Show Answer
Correct Answer: C [Neopilina galatheca]
Notes:
Neopilina galatheca is a genus of Monoplacophoran, a superficially limp-like marine mollusk. It was found to be a monoplacophoran, and given the genus Neopilina.
18. Which of the following is commonly known as the narrow-mouthed frog?
[A] Ranidae
[B] Hylidae
[C] Myrohylidae
[D] Bufonidae
Show Answer
Correct Answer: C [Myrohylidae]
Notes:
Mycrohylidae is commonly known as narrow-mouthed frogs. It is a geographically widespread family of frogs.
19. Where do reptiles lay eggs?
[A] in the water
[B] in the mud underwater
[C] on land
[D] in a tree
Show Answer
Correct Answer: C [on land]
Notes:
Reptiles lay eggs on land. Eggs are oval and the eggs are very yolky. Growth is direct.
20. The class of phylum Chordata to which bat belongs?
[A] Mammalia
[B] Reptilia
[C] Aves
[D] Amphibia
Show Answer
Correct Answer: A [Mammalia]
Notes:
Bats belong to the class Mammalia. The bat is a member of the phylum Chordata because they have bilateral symmetry and are triploblastic.
