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MCQs 191-200
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In this chapter, Binati discusses 10 MCQs.

Binati Sheth
An Avid Reader. A Teacher. An Aid worker. An Engineer (E&C). A Writer. Budding Art Connoisseur. A philomath. A Shōnen Otaku.

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Prabhakar Jha
a year ago
Welcome
  1. Educator Writer Translator Hi am Bimati Sheth


  2. Rate Review veddn't lve it Recommend Share facebook twitter etC Insta am


  3. Generan Knowiedpe for XAT


  4. Which of the following elements is a metalloid? (a) Bismuth (b) Silicon (c)Tin(d) Phosphorus 191


  5. Solution: b. Metalloids are elements which possess characters of both metals and non metals. Silicon is a metalloid. Bismuth and tin are metals while phosphorus is a non metal.


  6. Consider the following statements I. Metal oxides are acidic in nature. II. Naphthalene is an inorganic compound Which of the above statements is/are true? (a) I (b) II (c) I and II (d) none 192


  7. Solution: Metal oxides are basic in nature. Naphthalene is an organic compound with formula C10H8


  8. Red Data Book is a book which keeps a record of (a) earthquakes (b) cyclones (c) endangered species (d) nuclear reactors 193


  9. Solution: l Data Book contains li


  10. Consider the following statements I. The cells having nuclear material without nuclear membrane are known as eukaryotic cells II. Blue green algae are prokaryotic organisms. Which of the above statements is/are correct? (a) I (b) II (c) I and II (d) none 194


  11. Solution: b. Cells having well organised nucleus with a nuclear membrane are called eukaryoti(c) On the other hand, cells having nuclear material without nuclear membrane are prokaryoti(c) Bacteria and blue green algae are prokaryotic organisms.


  12. Consider the following statements I. Crocodile is an oviparous animal. II. Snakes exhibit binary fission reproduction Which of the above statements is/are correct? (a) I (b) II (c) I and II (d) none


  13. Solution: c. The pair of sex chromosomes in a boy is XY and in a girl is XX. nd in a oir


  14. Solution: a. Pituitary gland is the master endocrine gland in vertebrate animals. The hormones secreted by the pituitary stimulate and control the functioning of almost all the other endocrine glands in the body


  15. Goitre is a disease of the. (a) Pancreas (b) Liver (c) Thyroid gland (d) Adrenal gland 199


  16. Solution: c. Goitre is an enlargement of the thyroid gland which happens when the thyroid gland stops producing the hormone thyroxine.