31. Cephalopoda is a class of animals in which__.
[A] Notochord extends up to the head
[B] The foot is located on the head
[C] The Head is located on the foot
[D] The Head is fused with the thorax
Show Answer
Correct Answer: B [The foot is located on the head]
Notes:
Cephalopoda is a class of animals in which the foot is located on the head. A cephalopod is any member of the class Cephalopoda of the phylum Mollusca.
32. Reptiles have __ kidney.
[A] mesonephric
[B] unipapillary
[C] metanephric
[D] None of these
Show Answer
Correct Answer: C [metanephric]
Notes:
Reptiles have metanephric kidneys. Metanephrics are the functional kidneys of adult amniotes and have separated urinary function from a genital function.
33. The number of cervical vertebrae in reptiles is __
[A] 4
[B] 6
[C] 7
[D] 8
Show Answer
Correct Answer: C [7]
Notes:
Most reptiles have seven cervical vertebrae, including a three-part atlas and axis.
34. Which of the following statement is not true?
[A] Keratinocytes protects skin and muscles from heat and chemicals
[B] papillary region is responsible for the figure prints
[C] Markel cells are used for touch sensations
[D] Apoptosis takes place in stratum granulosum
Show Answer
Correct Answer: B [papillary region is responsible for the figure prints]
Notes:
The papillary layer is the layer of the dermis responsible for fingerprints.
35. Which one is a part of the rhombencephalon?
[A] Medulla
[B] Substantia nigra
[C] Thalamus
[D] Temporal lobe
Show Answer
Correct Answer: A [Medulla]
Notes:
The rhombencephalon consists of two parts:
1. anterior metencephalon – which later forms the pons and cerebellum
2. posterior myelencephalon – which later gives rise to the medulla oblongata.
36. Which of the following is the role of the pons?
1. motor function
2. sensation
3. eye movement
4. hearing and taste
Select the codes above:
[A] Only 1 and 2
[B] Only 1, 2 and 3
[C] Only 2, 3 and 4
[D] 1, 2, 3, and 4
Show Answer
Correct Answer: D [1, 2, 3, and 4]
Notes:
The pons is part of a highway-like structure between the brain and the body known as the brainstem. The pons conveys information about motor function, sensation, eye movement, hearing, taste.
37. Which of the following is a structure of the heart wall?
[A] Epicardium
[B] Endocardium
[C] Myocardium
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The structure of the heart wall is made up of 3 layers – epicardium, myocardium, and endocardium.
38. What does the liver do to help digestion?
[A] Makes important enzymes
[B] Neutralizes stomach acid
[C] Produces bile
[D] Regulates insulin
Show Answer
Correct Answer: C [Produces bile]
Notes:
The liver makes a digestive juice called bile that helps digest fats and certain vitamins.
39. Which of the following female reproductive organs produces female hormones?
[A] Uterus
[B] Fallopian Tubes
[C] Ovaries
[D] None of these
Show Answer
Correct Answer: C [Ovaries]
Notes:
Ovaries are the female reproductive organs that are responsible for producing various hormones and produce female gametes.
40. Lassa and Ebola are emergent viruses in W. Africa. What is their origin?
[A] Humans
[B] Primates
[C] Fruit bats
[D] Pigs
Show Answer
Correct Answer: C [Fruit bats]
Notes:
Lassa and Ebola are emergent viruses in W. Africa originated by Fruit bats. Ebola hemorrhagic fever is caused by Ebola virus infection.
