31. Which of the following is not the function of skin?
[A] calcium production
[B] protection
[C] excretion of wastes
[D] temperature regulation
Show Answer
Correct Answer: A [calcium production]
Notes:
The skin’s function is to protect us from microbes and the elements help regulate body temperature and permit the sensations of touch, heat, and cold.
32. The ________ acts as an insulator for the body.
[A] Hypodermis
[B] Dermis
[C] Sebaceous Tissue
[D] Dermis
Show Answer
Correct Answer: A [Hypodermis]
Notes:
The hypodermis acts as an insulator for the body. The hypodermis is the lower layer of skin in your body. It has many important functions, including storing energy, connecting the dermis layer of your skin to your muscles and bones, insulating your body, and protecting your body from damage.
33. How many numbers of bones are present in the middle ear?
[A] Two
[B] Three
[C] Six
[D] Nine
Show Answer
Correct Answer: B [Three]
Notes:
The middle ear contains three tiny bones:
1. Hammer (malleus) — attached to the eardrum.
2. Anvil (incus) — in the middle of the chain of bones.
3. Stirrup (stapes) — attached to the membrane-covered opening that connects the middle ear with the inner ear.
34. The splice of the joints are fibrous in nature in which there is no movement?
[A] tendons and tibia
[B] ligaments and femur
[C] diarthrosis
[D] synarthroses
Show Answer
Correct Answer: D [synarthroses]
Notes:
A synarthrosis is a fixed or almost immobile joint. Synarthrosis is a type of joint that allows no movement under normal circumstances.
35. What is the process of regulating body fluids and their composition?
[A] Secretion
[B] Reabsorption
[C] Glomerular Filteration
[D] Osmoregulation
Show Answer
Correct Answer: D [Osmoregulation]
Notes:
Osmoregulation is the process of regulating body fluids and their composition.
36. Which female organ serves as the birth canal to allow the delivery of the fetus during labor?
[A] Ovaries
[B] Uterus
[C] Fallopian Tubes
[D] Vagina
Show Answer
Correct Answer: D [Vagina]
Notes:
The vagina is a female reproductive organ that serves as the birth canal to allow the delivery of the fetus during labor.
37. Klenow fragment is derived from which of the following?
[A] DNA Ligase
[B] DNA Pol-I
[C] DNA Pol-II
[D] Reverse Transcriptase
Show Answer
Correct Answer: B [DNA Pol-I]
Notes:
Klenow fragment is derived from DNA Pol-I. A Klenow fragment is a large protein fragment. It is enzymatically cleaved by the protease subtilisin to DNA polymerase from E. coli.
38. Membrane lipids of chillsensitive plants contain ____:
[A] Low proportion of saturated fatty acids
[B] Equal proportion of saturated and unsaturated fatty acids
[C] Low proportion of unsaturated fatty acids
[D] High proportion of unsaturated fatty acids
Show Answer
Correct Answer: D [High proportion of unsaturated fatty acids]
Notes:
The membranes of chill sensitive plants have about a 2 :1 ratio of unsaturated to saturated fatty acids. It has been seen that the proportion of unsaturated membrane fatty acids increases and the critical temperature decreases so that chill-sensitive plants are more acclimitized to low temperatures.
39. In coriander, the useful parts are
____:
[A] Leaves & flowers
[B] Flowers & dried fruits
[C] Roots & leaves
[D] Leaves & dried fruits
Show Answer
Correct Answer: D [Leaves & dried fruits]
Notes:
Coriander (Coriandrum sativum), also known as cilantro, Chinese parsley or dhania, is an annual herb in the family Apiaceae. All parts of the plant are edible, but the fresh leaves and the dried seeds are the parts most traditionally used in cooking.
40. The vitamin which is very labile and easily destroyed during cooking as well as storage is vitamin ____:
[A] Vitamin D
[B] Vitamin C
[C] Vitamin K
[D] Vitamin B6
Show Answer
Correct Answer: B [Vitamin C]
Notes:
Vitamin C is quite unstable when cooked or stored improperly. It is very liable and easily destroyed during cooking as well as storage. It is a water-soluble and temperature-sensitive vitamin, so is easily degraded during cooking, and elevated temperatures and long cooking times have been found to cause particularly severe losses of vitamin C.
