11. The science of histology is related to which of the following studies?
[A] Tissues
[B] Cells
[C] Algae
[D] Fungi
Show Answer
Correct Answer: A [Tissues]
Notes:
Histology, also known as microscopic anatomy or microanatomy, is the branch of biology that studies the microscopic anatomy of biological tissues.
12. Who among the following is considered as the father of microbiology?
[A] Stephen Hales
[B] Antonie Van Leeuwenhoek
[C] Edwin John Butler
[D] Pier Antonio Micheli
Show Answer
Correct Answer: B [Antonie Van Leeuwenhoek]
Notes:
Antoine van Leeuwenhoek used the single-lens microscope he built to make the first observations of bacteria and protozoa. Leeuwenhoek is universally acknowledged as the father of microbiology.
13. How many of the following blood cells are there in the human body?
[A] 25 trillion
[B] 15 trillion
[C] 35 trillion
[D] 55 trillion
Show Answer
Correct Answer: A [25 trillion]
Notes:
Adult humans have an average of about 25 trillion RBCs in their bodies. Women usually have fewer RBCs than men
14. The lysozyme which destroys the bacterial cell, releasing the mature virus is present where?
[A] immediate early phage genes
[B] late genes
[C] delayed early genes
[D] all of these
Show Answer
Correct Answer: B [late genes]
Notes:
The lysozyme which destroys the bacterial cell, releasing the mature virus is present in late genes.
15. Which of the following is an indicator of SO2 pollution of air?
[A] Puffballs
[B] Mushrooms
[C] Mosses
[D] Lichens
Show Answer
Correct Answer: D [Lichens]
Notes:
Lichens are good indicators of sulfur dioxide pollution in the environment. Lichens are relationships between fungi and algae.
16. What is the most important function of the leaves?
[A] Photosynthesis
[B] Transpiration
[C] Guttation
[D] Storage
Show Answer
Correct Answer: A [Photosynthesis]
Notes:
Photosynthesis is the major function performed by leaves, through which carbon dioxide, water and sunlight are converted into glucose and energy.
17. Which of the following is not a type of fertilization?
[A] Porogamy
[B] Chalazogamy
[C] Mesogamy
[D] Gynogamy
Show Answer
Correct Answer: D [Gynogamy]
Notes:
Fertilization is a process of sexual reproduction, which is followed by pollination and germination. Porogamy, Chalazogamy, and Mesogamy are types of fertilization.
18. Example of false fruit.
[A] Strawberry
[B] Apple
[C] Cashew
[D] All of the above
Show Answer
Correct Answer: B [Apple]
Notes:
False fruits include seedless fruits. Some examples of false fruits are apple, pear, gourd and cucumber which develop from the thalamus.
19. The mammals evolved from the reptile in the:
[A] Cretaceous
[B] Triassic
[C] Devonian
[D] Carboniferous
Show Answer
Correct Answer: B [Triassic]
Notes:
Mammals were derived in the Triassic Period from members of the reptilian order Therapsida. Triassic Period was about 252 million to 201 million years ago.
20. What is the name of the smallest muscle?
[A] Gutters Maximus
[B] Antagonists
[C] Stapedius
[D] None of the above
Show Answer
Correct Answer: C [Stapedius]
Notes:
The stapedius is the smallest skeletal muscle in the body, about 1 mm in length.
