11. Which among the following is not a part of Vitamin B complex?
[A] Vitamin B2
[B] Vitamin B4
[C] Vitamin B6
[D] Vitamin B12
Show Answer
Correct Answer: B [Vitamin B4]
Notes:
Vitamin B complex consists of 8 vitamins namely B1(Thiamine), B2(Riboflavin), B3(Niacin), B5(Pantothenic acid), B6(Pyridoxine), B7(Biotin), B9(Folate/Folic acid) and B12(Cobalamin).
12. 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
Correct Answer: C [North Atlantic Right Whale]
Notes:
The North Atlantic right whale is a baleen whale. At present, they are among the most endangered whales in the world. They feed on plankton and are usually found in coastal waters.
13. Who was Louis Pasteur?
[A] A German Biologist
[B] A Polish Biologist
[C] A French Biologist
[D] A Russian Biologist
Show Answer
Correct Answer: C [A French Biologist]
Notes:
Louis Pasteur was a French biologist, microbiologist, and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization. He is remembered for his remarkable breakthroughs in the causes and prevention of diseases, and his discoveries have saved many lives ever since. He reduced mortality from puerperal fever and created the first vaccines for rabies and anthrax. His medical discoveries provided direct support for the germ theory of disease and its application in clinical medicine. He is best known to the general public for his invention of the technique of treating milk and wine to stop bacterial contamination, a process now called pasteurization. He is regarded as one of the three main founders of bacteriology, together with Ferdinand Cohn and Robert Koch, and is popularly known as the “father of microbiology”.
14. In which branch of biology is the study of breasts deals?
[A] Mammology
[B] Mastology
[C] Malacology
[D] None of these
Show Answer
Correct Answer: B [Mastology]
Notes:
Mastology can refer to the study of the human breast and related diseases.
15. Who gave theory of photosynthesis?
[A] Maurice Hilleman
[B] Jack Horner
[C] Jan Ingenhousz
[D] Franz Mesmer
Show Answer
Correct Answer: C [Jan Ingenhousz]
Notes:
Jan Ingenhausen is a Dutch-born British physician and scientist, best known for his discovery of the process of photosynthesis, by which green plants absorb carbon dioxide and release oxygen in sunlight.
16. Who has introduced Two Kingdom Classification?
[A] Carolus Linnaeus
[B] Ernest Haeckel
[C] Copeland
[D] RH Whittaker
Show Answer
Correct Answer: A [Carolus Linnaeus]
Notes:
Carolus Linnaeus proposed Two kingdom of classification in which he classified organisms into Plantae and Animalia.
17. 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.
18. Viral DNA is removed from the host’s chromosomes and the lytic cycle is called which of the following process?
[A] spontaneous induction
[B] inductive infection
[C] resultant induction
[D] spontaneous infection
Show Answer
Correct Answer: A [spontaneous induction]
Notes:
Viral DNA is removed from the host’s chromosomes and the lytic cycle is called spontaneous induction.
19. Which of the following virus is covered?
[A] Adeno
[B] Herpes
[C] Polio
[D] None of these
Show Answer
Correct Answer: B [Herpes]
Notes:
The Herpesviridae are a large family of DNA viruses. It causes infections and some diseases in animals, including humans. Members of this family are also known as herpesviruses.
20. Conifers can tolerate extreme environments because of__?
[A] Presence of vessels
[B] Thick cuticle
[C] Superficial stomata
[D] Broad hardy leaves
Show Answer
Correct Answer: B [Thick cuticle]
Notes:
Conifers (gymnosperms) are adapted to tolerate extreme environmental conditions due to their dense cuticle, sunken stomata and needle-like leaves.
