11. Which of the following is the ready source of energy available for athletes? (UPSC Prelims 1982)
[A] Vitamins
[B] Fats
[C] Proteins
[D] Carbohydrates
Show Answer
Correct Answer: D [Carbohydrates]
Notes:
Carbohydrates are the ready source fo energy for the athletes. Carbohydrates improve athletic performance by delaying fatigue and allowing an athlete to compete at higher levels longer nutrients such as fat or muscle protein are utilized to make energy.
12. Which is not a parasite? (UPSC Prelims 1984)
[A] Tick
[B] Housefly
[C] Bed bug
[D] Louse
Show Answer
Correct Answer: B [Housefly]
Notes:
Tick, beg bug and louse are parasitic insects that live on the skin of mammals or birds.
Housefly is not a parasite.
13. A person with ‘AB’ blood group is sometimes called a universal recipient because of the? (UPSC Prelims 1995)
[A] lack of antigen in his blood
[B] lack of antibodies in his blood
[C] lack of both antigens and antibodies in his blood
[D] presence of antibodies in his blood
Show Answer
Correct Answer: B [lack of antibodies in his blood]
Notes:
Type AB is considered the universal recipient, as they have both A and B antigens on their red blood cells, and thus their body does not have antibodies against A or B antigen cells, so they can receive blood from any blood type.
14. Which one of the following is monogamous? (UPSC Prelims 2002)
[A] Wolf
[B] Walrus
[C] Seal
[D] Deer
Show Answer
Correct Answer: A [Wolf]
Notes:
Wolf alpha pairs are usually monogamous with each other, but alpha males have been known to stray with other pack members, especially if they are closely related. Among red foxes, long considered extremely loyal, mate switching has also been shown.
15. Which branch of biology is known for the study of flowers?
[A] Dendrology
[B] Anatomy
[C] Agrostology
[D] Anthology
Show Answer
Correct Answer: D [Anthology]
Notes:
The study of flowers and flowering plants is known as anthology. Anthos means a flower and Logia means collection.
16. The branch of biology dealing with the study of fungi is known as__?
[A] Phycology
[B] Mycology
[C] Cytology
[D] None of these
Show Answer
Correct Answer: B [Mycology]
Notes:
Mycology is the branch of biology that deals with the study of fungi, including their genetic and biochemical properties.
17. Which modern concept was pioneered by Rudolf Virchow?
[A] pathological processes
[B] process of fermentation
[C] isotopes as tracers to study chemical and biological processes
[D] None of these
Show Answer
Correct Answer: A [pathological processes]
Notes:
Rudolf Virchow was a German pathologist and politician who pioneered the modern concept of disease processes by his application of cell theory to explain the effects of disease in body organs and tissues.
18. 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.
19. Which of the following cell organelles contain RNA?
[A] Plastids
[B] Mitochondria
[C] Ribosomes
[D] Lysosomes
Show Answer
Correct Answer: C [Ribosomes]
Notes:
Ribosomes are small organelles that contain RNA and specific proteins within the cytoplasm.
20. Which of the following biomolecules is more widely distributed in the cell?
[A] Chloroplast
[B] RNA
[C] DNA
[D] Spaherosomes
Show Answer
Correct Answer: B [RNA]
Notes:
DNA and RNA are two types of nucleic acids. DNA is converted into RNA by the process of transcription. The three types of RNA are m-RNA, t-RNA and r-RNA.
