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BIOLOGY MCQs

Total Questions : 2561 | Page 8 of 257 pages
Question 71. Which of the following glands is both endocrine and exocrine?
  1.    Pancreas
  2.    Pituitary
  3.    Adrenal
  4.    Pineal
 Discuss Question
Answer: Option A. -> Pancreas
Question 72. Which hormone causes emotional disturbance?
  1.    Thyroxine
  2.    Oxytocin
  3.    Vasopressin
  4.    Adrenalin
 Discuss Question
Answer: Option B. -> Oxytocin
Question 73. Haemophilia is a hereditary disease carried by
  1.    Females and expressed by males
  2.    Males and expressed by males
  3.    Females and expressed by females
  4.    Males and expressed by females
 Discuss Question
Answer: Option A. -> Females and expressed by males
Question 74. The chromosome number 2n is known as
  1.    Haploid number
  2.    Diploid number
  3.    Triploid number
  4.    None of the above
 Discuss Question
Answer: Option B. -> Diploid number
Question 75. The sex of a newborn baby is determined by the chromosome inherited from
  1.    The Father
  2.    The Mother
  3.    The Father's Father
  4.    Both A & B
 Discuss Question
Answer: Option A. -> The Father
Question 76. In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes?
  1.    T.H.Morgan
  2.    De Duve
  3.    Palade
  4.    Waldeyer
 Discuss Question
Answer: Option A. -> T.H.Morgan
Question 77. Different forms of genes are called
  1.    Genomes
  2.    Allele
  3.    Genotypes
  4.    None of the above
 Discuss Question
Answer: Option B. -> Allele
Question 78. Which nitrogenous base is not found in dna?
  1.    Uracil
  2.    Thymine
  3.    Cytosine
  4.    Guanine
 Discuss Question
Answer: Option A. -> Uracil
Question 79. Fruitfly has
  1.    4 chromosomes
  2.    6 chromosomes
  3.    8 chromosomes
  4.    10 chromosomes
 Discuss Question
Answer: Option C. -> 8 chromosomes
Question 80. Gregor Johann Mendel worked on
  1.    Edible pea
  2.    Wild pea
  3.    Garden pea
  4.    Pigeon pea
 Discuss Question
Answer: Option C. -> Garden pea

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