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Practice MCQ Questions and answers on Biology-GK

Learn and practice General Knowledge questions and answers on Biology with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-10 section-8

Each section contains 100 MCQs on Biology .
91
Pressure, pain, and temperature receptors in the skin are
Discuss
Answer & Solution
Answer: Option A
Solution:
Pressure, pain, and temperature receptors in the skin are exteroceptors.
92
Goosebumps are caused by contractions of the
Discuss
Answer & Solution
Answer: Option A
Solution:
Goosebumps are caused by the contraction of the tiny arrectores pilorum muscles attached to hair follicles, according to Dr. Allan L. Lorincz, a dermatologist at the University of Chicago.
93
Lacrymal glands are situated in the
Discuss
Answer & Solution
Answer: Option C
Solution:
Lacrymal glands are situated in the buccal cavity.
94
Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body?
Discuss
Answer & Solution
Answer: Option C
Solution:
Subcutaneous fat layer acts as an insulator against heat, cold and as a shock-absorber in the body.
95
A/An ________ tissue is formed beneath the skin and between internal organs.
Discuss
Answer & Solution
Answer: Option D
Solution:
A adipose tissue is formed beneath the skin and between internal organs.
96
Study of process of ageing
Discuss
Answer & Solution
Answer: Option B
Solution:
Gerontology, the study of the aging process, is devoted to the understanding and control of all factors contributing to the finitude of individual life.
97
Sweating is important
Discuss
Answer & Solution
Answer: Option C
Solution:
The main function of sweating is to control body temperature. As the water in the sweat evaporates, the surface of the skin cools. An additional function of sweat is to help with gripping, by slightly moistening the palms.
98
The outermost layer of skin is
Discuss
Answer & Solution
Answer: Option A
Solution:
The stratum corneum is the outermost layer of the epidermis, and is made up of 10 to 30 thin layers of continually shedding, dead keratinocytes.
99
Homeostasis is the condition in which the body maintains
Discuss
Answer & Solution
Answer: Option A
Solution:
Homeostasis is the condition in which a system such as the human body is maintained in a more-or-less steady state.
100
The normal temperature of human body on the Kelvin scale is
Discuss
Answer & Solution
Answer: Option D
Solution:
The normal temperature of human body on the Kelvin scale is 310K.