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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-5 section-7

Each section contains 100 MCQs on Biology .
41
Which structure connects one bone to another bone?
Discuss
Answer & Solution
Answer: Option C
Solution:
A tendon serves to move the bone or structure. A ligament is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable.
42
Hinge joint is present between
Discuss
Answer & Solution
Answer: Option C
Solution:
Hinge joint is present between humerus and radio-ulna.
43
Which of the following is not a form of Monosaccharide Sugar?
Discuss
Answer & Solution
Answer: Option D
Solution:
Maltose is not a form of Monosaccharide Sugar.
44
All of the following are fat-soluble vitamins except
Discuss
Answer & Solution
Answer: Option A
Solution:
All of the following are fat-soluble vitamins except Vitamin C.
45
Marasmus usually is associated with a deficiency of
Discuss
Answer & Solution
Answer: Option B
Solution:
Marasmus usually is associated with a deficiency of Calories.
46
Pellagra is caused due to the deficiency of
Discuss
Answer & Solution
Answer: Option A
Solution:
Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. Pellagra may also develop due to: Gastrointestinal diseases.
47
Rickets is caused due to the deficiency of
Discuss
Answer & Solution
Answer: Option D
Solution:
Rickets is caused due to the deficiency of Calciferol.
48
The element found in bone and teeth is
Discuss
Answer & Solution
Answer: Option C
Solution:
The element found in bone and teeth is calcium and phosphorus.
49
In Carbohydrates the ratio of hydrogen to oxygen is
Discuss
Answer & Solution
Answer: Option A
Solution:
A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula Cm(H2O)n (where m may be different from n).
50
The story of vitamins dates back to
Discuss
Answer & Solution
Answer: Option D
Solution:
The story of vitamins dates back to 18th century.