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Zoology Objective Questions and Answers for Competitive Exams | Page-5

41 What are the basic units from which human spare parts can be created?
A Kidney cells
B Heart cells
C Stem cells
D Nerve cells

Answer: Option [C]
42 Adherent mucoid alkaline substance covering the inner lining of stomach is to:
A digest starch
B act against bacteria
C prevent viral infection
D prevent the action of pepsin of mucosa

Answer: Option [D]


43 The area of the human tongue sensitive to bitterness is restricted to:
A tip
B edges
C middle part
D posterior part

Answer: Option [D]
44 Amniocentesis is a method for:
A determination of foetal health conditions
B inducing abortion
C artificial insemination
D determination of the amino acids sequence

Answer: Option [A]
45 Which of the following blood cells is compulsory for blood coagulation?
A Platelets
B Lymphocites
C Red Blood Corpuscles
D White Blood Corpuscles

Answer: Option [A]
46 Which was the first antibiotic?
A Neomycin
B Terramycin
C Streptomycin
D Penicillin

Answer: Option [D]
47 Virus contains
A Protein and lipid
B Lipid and carbohydrate
C Nucleic acid and protein
D Carbohydrate and nucleic acid

Answer: Option [A]
48 By which the sex of a child is determined before birth?
A Sperms of father
B Foetus of mother
C Both (A) and (B)
D Nutrition of mother

Answer: Option [B]
49 What may be cause of malfunctioning of thyroid gland?
A Vitamin
B Calcium deficiency
C Iron deficiency
D Iodine deficiency

Answer: Option [D]
50 The element which is the most abundant in the human body is –
A oxygen
B carbon
C iron
D nitrogen

Answer: Option [A]

NCERT Class 12 Biology Solved Multiple Choice Questions

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