11. Which of the following is a stem vegetable?
[A] Lettuce
[B] Carrot
[C] Asparagus
[D] Onion
Show Answer
Correct Answer: C [ Asparagus]
Notes:
Asparagus is a stem vegetable. Seeds (maize, wheat, coffee and various nuts), fruit (tomato), leaves (lettuce, spinach, and cabbage), or roots (e.g. carrots and beets).
12. Which of the following branches of Biology is not associated with snakes ?
[A] Herpetology
[B] Ophiology
[C] Serpentology
[D] Saurology
Show Answer
Correct Answer: D [Saurology]
Notes:
All of the three –Herpetology, Ophiology and Serpentology are associated to the study of snakes.While Saurology is associated to the study of Lizards. Thus Option [D] is correct.
13. Guttation takes place due to the development of which of the following?
[A] Cells
[B] Transpiration
[C] Root pressure
[D] All of the above
Show Answer
Correct Answer: C [Root pressure]
Notes:
Guttation takes place due to the development of root pressure. Guttation is the exudation of drops of xylem sap on the tips or edges of leaves of some vascular plants, such as grasses and a number of fungi.
14. The vocal cords in men are about how many mm long?
[A] 40mm
[B] 20mm
[C] 10mm
[D] 30mm
Show Answer
Correct Answer: B [20mm]
Notes:
The vocal cord in women is about 15 mm long; in men vocal cords are about 20 mm long and children have very short vocal cords.
15. Which blood group among the following is known as universal donor?
[A] A
[B] B
[C] O
[D] AB
Show Answer
Correct Answer: C [O]
Notes:
Type O negative blood group is considered as the universal blood type. People with type O blood group are called universal donors because type O negative blood is compatible to any blood recipient’s type.
16. Which of the following clearly defines the meaning of Plankton?
[A] A kind of fish
[B] A submerged platform in waters
[C] Drifting of organisms in a body of water
[D] A kind of animal living under water
Show Answer
Correct Answer: C [Drifting of organisms in a body of water]
Notes:
Planktons are very small plants and animals that float on the surface of the sea and on which other sea animals feed.
17. Where does the Fat stored in human body?
[A] Muscular tissue
[B] Connective tissue
[C] Adipose tissue
[D] Epithelial tissue
Show Answer
Correct Answer: C [Adipose tissue]
Notes:
Adipose tissue is an anatomical term for loose connective tissue composed of adipocytes. Its main role is to store energy in the form of fat, although it also cushions and insulates the body.
18. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
[A] Isolation
[B] Mutation
[C] Natural Selection
[D] Sexual Reproduction
Show Answer
Correct Answer: A [Isolation]
Notes:
Origin of new species depends on isolation of gene flow between new species and develops significant genetic divergence.
19. Which of the following branch of biology deals with the study of pollen grains?
[A] Psychology
[B] Palynology
[C] Pathology
[D] Parasitology
Show Answer
Correct Answer: B [Palynology]
Notes:
Palynology is the study of pollen grains produced by seed plants and spores. It represents the land flora and can be used in many different disciplines.
20. What is the condition called when a virus enters a cell but does not replicate itself immediately?
[A] lysogeny
[B] fermentation
[C] symbiosis
[D] synergism
Show Answer
Correct Answer: A [lysogeny]
Notes:
Lysogeny is a type of life cycle that occurs when a bacteriophage infects certain types of bacteria.