31. Which of the following is the largest group of mammals?
[A] Rodentia
[B] Chiroptera
[C] Carnivora
[D] Insectivora
Show Answer
Correct Answer: A [Rodentia]
Notes:
Rodentia is the largest group of mammals. Rodents are mammals of the rodent order. It is characterized by a pair of continuously moving incisors in each of the upper and lower jaws.
32. The curved turbinates, present on the sides of the nose is called __
[A] Sinuses
[B] Septum
[C] Cartilage
[D] Turbinates
Show Answer
Correct Answer: D [Turbinates]
Notes:
Turbinates are curved turbinates on each side of the nose, and the bony ridges are lined with mucous membranes.
33. Myopia and hypermetropia can be corrected by __
[A] Concave and a plano-convex lens
[B] Concave and convex lens
[C] Convex and concave lens
[D] Plano-concave lens for both defects
Show Answer
Correct Answer: B [Concave and convex lens]
Notes:
Myopia and hypermetropia can be corrected by Concave and convex lens respectively.
34. Where Kidneys are present in our body?
[A] At back, just above the waist
[B] At back, behind lungs
[C] Near belly button
[D] Behind pancreas gland
Show Answer
Correct Answer: A [At back, just above the waist]
Notes:
The kidneys are present on either side of the spine at the lower level of the rib cage, in a distal part of the abdomen partially covered by ribs.
35. Which is the Growth hormone inhibiting hormone?
[A] FSH
[B] TRH
[C] GHRH
[D] Somatostatin
Show Answer
Correct Answer: D [Somatostatin]
Notes:
Somatostatin works against Growth Hormone (GHRH), hence it is known as Growth Inhibiting Hormone. It consists of two peptides of 14 and 28 amino acids and is released from neurosecretory nerves.
36. The adrenal cortex secretes all except __
[A] Androgenic steroid
[B] Cortisol
[C] Relaxin
[D] Aldosterone
Show Answer
Correct Answer: C [Relaxin]
Notes:
The adrenal cortex secretes all except Relaxin. Relaxin is produced primarily by the corpus luteum.
37. Sugar crops to produce __
[A] biomethane
[B] bioethanol
[C] biobutanol
[D] None of these
Show Answer
Correct Answer: B [bioethanol]
Notes:
Bioethanol is produced by fermentation of residues from corn, potatoes, cereals, sugar beets, sugarcane and vegetables.
38. What are female gametes called as?
[A] Zygote
[B] Sperms
[C] Embryo
[D] Ova
Show Answer
Correct Answer: D [Ova]
Notes:
Female gametes are also called eggs or ova. They are created during the cellular reproduction process known as meiosis. The resulting gamete cell is a haploid cell. When the two haploid cells, the egg and sperm, fuse together during fertilization, the result is a diploid cell called a zygote.
39. What is the Normal Blood Volume in human adult?
[A] 1 litre
[B] 3 litre
[C] 5 litre
[D] 7 litre
Show Answer
Correct Answer: C [5 litre]
Notes:
The average adult has a blood volume of roughly 4-5 to 5 litres, which is composed of plasma and several kinds of cells. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
40. In which of the following multiple epidermis is found?
[A] Boerhaavia
[B] Nerium
[C] Amaranthus
[D] Helianthus
Show Answer
Correct Answer: B [Nerium]
Notes:
It is assumed that protodermal cells divide periclinally in certain cases to form multiseriate or multiple epidermis. The multiple epidermis is found in some organs like roots of orchids (Vanda), leaves of Ficus, Nerium, Piperomia, etc. In Nerium, it is found on both surfaces.
