Biology MCQs with answers Page - 45

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Q. White blood cell act

  • (A) As a defence against infection
  • (B) As a source of energy
  • (C) For clotting blood
  • (D) As a medium for oxygen transport from lung to tissues

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Q. The top chambers of human heart are called

  • (A) Aorta
  • (B) Atrium
  • (C) Septum
  • (D) Ventricle

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Q. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

  • (A) Cannot be determined on the basis of the given data
  • (B) O positive
  • (C) B positive
  • (D) A positive

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Q. Genetic Modification (GM) technique RIDL was in news. RIDL is being developed for combating which of the following disease?

  • (A) Swine Flu
  • (B) Malaria
  • (C) Cancer
  • (D) AIDS

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Q. Which among the following disease has the minimum incubation period, comparing to other ones?

  • (A) Small Pox
  • (B) Influenza
  • (C) Measles
  • (D) Mumps

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Q. What is the number of the Chromosomes affected by Turner syndrome?

  • (A) 44
  • (B) 45
  • (C) 46
  • (D) 47

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Q. The useful part of Zingiber officinale is ____?

  • (A) Roots
  • (B) Rhizome
  • (C) Leaves
  • (D) fruits

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Q. Which of the following is / are the functions of the adipose tissue in human body?
1. It serves as a connective tissue
2. It stores most of the fat
3. It works as an endocrine gland
Select the correct option from the codes given below:

  • (A) Only 1 & 2
  • (B) Only 2 & 3
  • (C) Only 1 & 3
  • (D) 1, 2 & 3

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Q. The testes normally descend into the scrotum about

  • (A) the time of birth
  • (B) the age of 3 months
  • (C) the time of puberty
  • (D) 6 months into pregnancy

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Q. A disorder which is linked to the Y chromosome in humans (holandric) will

  • (A) show a pattern of skipping generations in a family
  • (B) only be expressed in males whose mothers were a carrier of the gene
  • (C) never be passed from father to child
  • (D) be passed only from father to son

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