11. Consider the following statements:
I. Meningococcal Meningitis is transmitted from person to person by mosquito bites.
II. Vomitting and neck pain are two of the symptoms of Meningococcal Meningitis.
Which of the statements given above is/are correct? (UPSC Prelims 2006)
[A] I only
[B] II only
[C] Both I and II
[D] Neither I nor II
Show Answer
Correct Answer: B [II only]
Notes:
This virus is spread by mosquito bites and has become an important cause of viral meningitis in most of the United States.
Bacterial meningitis symptoms may develop within hoursor days. Fever, severe headache, and neck stiffness are the hallmark symptoms of meningitis. Others include: Nausea and vomiting.
12. How many bones are present in healthy adult human being?
[A] 205
[B] 207
[C] 206
[D] 208
Show Answer
Correct Answer: C [206]
Notes:
An adult human skeleton comprises of 206 bones which is greater than the number of bones present at birth. This is due to the fusing of bones as one grows up. The bone density in the human body reaches maximum at the age of 21.
13. Which of the following is a type of Monera Kingdom?
[A] Bacteria
[B] Mushroom
[C] Euglena
[D] Mucor
Show Answer
Correct Answer: A [Bacteria]
Notes:
Bacteria comes under Monera kingdom, Mushroom and Mucor are part of Fungi.
14. In which of the following hemocaelic body cavity is found?
[A] Cockroach
[B] Lizard
[C] Mosquito
[D] Honeybee
Show Answer
Correct Answer: A [Cockroach]
Notes:
Hemocoelic body cavity is a characteristic of Cockroach.
15. Which of the following can be done in the cultivation of plant viruses?
[A] tissue culture
[B] cultures of separated cells
[C] whole plants
[D] all of these
Show Answer
Correct Answer: D [all of these]
Notes:
The cultivation of plant viruses can be done in tissue culture, cultures of separated cells and whole plants.
16. Angiosperms are the main plant because__?
[A] Domestication by man
[B] Power of adapting in diverse habitats
[C] Self-pollination property
[D] Property of producing a large number of seeds
Show Answer
Correct Answer: B [Power of adapting in diverse habitats]
Notes:
Angiosperms are plants that produce flowers. They hold their seeds in the fruits. They are the largest and most diverse group within the Plantae kingdom, with approximately 300,000 species.
17. Which of the following is not caused by bacteria?
[A] Typhoid
[B] Tetanus
[C] Plague
[D] Chicken pox
Show Answer
Correct Answer: D [Chicken pox]
Notes:
Chickenpox is a contagious disease caused by the varicella-zoster virus (VZV).
18. Which of the following materials are acted upon by putrefying bacteria?
[A] Fat
[B] Protein
[C] Carbohydrate
[D] Vitamins
Show Answer
Correct Answer: B [Protein]
Notes:
The primary energy source for putrefying bacteria, also known as decay bacteria, is Protein. While they can break down diverse types of biological material, they primarily act on proteins due to their constituent amino acids, which provide an ideal nutrient source. Their interaction with proteins results in decay and decomposition, a critical part of the biogeochemical cycle in nature.
19. Frogs and toads are examples of which of the following amphibians?
[A] Anura
[B] Urodela
[C] Apoda
[D] None of these
Show Answer
Correct Answer: A [Anura]
Notes:
Frogs and toads are examples of Anura amphibians. There are about 3400 species of Anura in the world.
20. Cleidoic egg is an adaptation for which of the following life?
[A] Aerial life
[B] Marine life
[C] Aquatic life
[D] Terrestrial life
Show Answer
Correct Answer: D [Terrestrial life]
Notes:
Cleidoic egg is an adaptation for Terrestrial life. It contains the food that the embryo needs to develop at hatching.
