31. How many types of antibodies are there?
[A] Five
[B] Three
[C] Two
[D] Four
Show Answer
Correct Answer: A [Five]
Notes:
Antibody immunoglobulins have 5 types of heavy chain stable regions and according to these types, they are classified into IgG, IgM, IgA, IgD, and IgE.
32. Which of these statements is not true regarding the function of hormones?
[A] Reproduction and sexual differentiation
[B] Maintenance of internal environment
[C] Maintain body temperature
[D] Development and growth
Show Answer
Correct Answer: C [Maintain body temperature]
Notes:
Hormones are released by specialized cells of the endocrine glands and act on distant target cells. One hormone can contribute to many functions and sometimes several hormones can perform the same function.
33. Which hormone regulates adrenocorticotropin release in the pituitary gland?
[A] Thyrotropin releasing hormone
[B] Corticotropin releasing hormone
[C] Gonadotropin releasing hormone
[D]
Thyroid-stimulating hormone
Show Answer
Correct Answer: B [Corticotropin releasing hormone]
Notes:
The corticotropin-releasing hormone regulates adrenocorticotropin release in the pituitary gland.
34. Johne’s disease is a type of ___ disease in animals.
[A] Intestine
[B] Liver
[C] Fetus and uterus
[D] Blood
Show Answer
Correct Answer: A [Intestine]
Notes:
Johne’s disease is a type of Intestine disease in animals. It is caused by Mycobacterium paratuberculosis.
35. A fungal skin infection that usually begins between the toes is called?
[A] Influenza
[B] Athlete’s foot
[C] Typhoid
[D] None of these
Show Answer
Correct Answer: B [Athlete’s foot]
Notes:
A fungal skin infection that usually begins between the toes is called Athlete’s foot.
36. What are the folds found in the mucous lining of the empty stomach?
[A] Typhlosole
[B] Areolae
[C] Rugae
[D] Villi
Show Answer
Correct Answer: C [Rugae]
Notes:
The inner layer of the stomach is full of wrinkles known as rugae (or gastric folds). Rugae both allow the stomach to stretch in order to accommodate large meals and help to grip and move food during digestion.
37. Oxygenated blood is carried by _____:
[A] Hepatic portal vein
[B] Renal vein
[C] Pulmonary artery
[D] Pulmonary vein
Show Answer
Correct Answer: D [Pulmonary vein]
Notes:
The pulmonary veins drain oxygenated blood from the lungs to the left atrium. A small amount of blood is also drained from the lungs by the bronchial veins. There are typically four pulmonary veins, two draining each lung. The pulmonary veins are part of the pulmonary circulation.
38. The ____ helps in equalising the pressure on either sides of the eardrum:
[A] Malleus
[B] Incus
[C] Cochlear nerve
[D] Eustachian tube
Show Answer
Correct Answer: D [Eustachian tube]
Notes:
The eustachian tube is a canal that connects the middle ear to the nasopharynx. It controls the pressure within the middle ear, making it equal with the air pressure outside the body. The cochlear nerve is also known as the acoustic nerve. It transfers auditory information from the cochlea (auditory area of the inner ear) to the brain. The malleus transmits the sound vibrations from the eardrum to the incus, and then to the stapes.
39. ____ is the branch of zoology concerned with the study of amphibians:
[A] Herpetology
[B] Ethology
[C] Mammology
[D] Morphology
Show Answer
Correct Answer: A [Herpetology]
Notes:
Herpetology is the branch of zoology concerned with the study of amphibians (including frogs, toads, salamanders, newts, and caecilians (gymnophiona)) and reptiles (including snakes, lizards, amphisbaena, turtles, terrapins, tortoises, crocodilians, and the tuataras). It is the study of ectothermic (coldblooded) tetrapods.
40. Green manure is obtained from ___:
[A] Fresh animal excreta
[B] Decomposing green legume plants
[C] Domestic vegetable waste
[D] Oil seed husk cakes
Show Answer
Correct Answer: B [Decomposing green legume plants]
Notes:
Green undecomposed material used as manure is called green manure. It is obtained in two ways: by growing green manure crops or by collecting green leaf (along with twigs) from plants grown in wastelands, field bunds and forest.
