Biology Selected Questions and Answers Set 11

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Q.1:- H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases ?

  1. AIDS
  2. Bird Flu
  3. Dengue
  4. Swine Flu

Ans:- (d) Swine Flu

Q.2:- Bat can fly in dark because they ?

  1. Have strong wings
  2. Have sharp eyes
  3. Produce ultrasonic waves
  4. Are natural

Ans:- (c) Produce ultrasonic waves

Q.3:- Chilgoza is obtained from ?

  1. Cycus
  2. Pinus
  3. Cedrus
  4. Zoniperus

Ans:- (b) Pinus

Q.4:- An orchid is considered to be a / an ?

  1. Symbiont
  2. Endophyte
  3. Parasite
  4. Epiphyte

Ans:- (d) Epiphyte

Q.5:- Tissue which is responsible for the secondary growth ?

  1. Xylem
  2. Phloem
  3. Cambium
  4. Cortex

Ans:- (c) Cambium

Q.6:- All chordates possess ?

  1. Exoskeleton
  2. Limbs
  3. Skull
  4. Notochord

Ans:- (d) Notochord

Q.7:- The most poisonous snake is ?

  1. Rattle snake
  2. Python
  3. Krait
  4. Tree Snake

Ans:- (c) Krait

Q.8:- The cells which have least regeneration capacity ?

  1. Cell of brain
  2. Muscular cells
  3. Cells of bone
  4. Cells of liver

Ans:- (a) Cells of brain

Q.9:- Antigen is a substance which ?

  1. Lower body temperatures
  2. Destroys harmful bacteria
  3. Triggers the immune system
  4. Is used as an antidote to poison
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Ans:- (c) Triggers the immune system

Q.10:- The concept of survival of the fittest as advanced by ?

  1. Charles Lyell
  2. Charles Darwin
  3. Herbert Spencer
  4. Alfred Russel Wallace

Ans:- (c) Herbert Spencer

Q.11:- Protein Energy malnutrition causes ?

  1. Marasmus
  2. Rickets
  3. Beri-Beri
  4. Pellagra

Ans:- (a) Marasmus

Q.12:- Among following which one is the highest source of ascorbic acid ?

  1. Apple
  2. Bean
  3. Carrot
  4. Guava

Ans:- (d) Guava

Q.13:- Obesity of person is due to excess of ?

  1. Glucose
  2. Fat
  3. Sucrose
  4. Sugar

Ans:- (b) Fat

Q.14:- Study of blood is called ?

  1. Hepatology
  2. Hematology
  3. Histology
  4. None of these

Ans:- (b) Hematology

Q.15:- Study of parasitic organism is called ?

  1. Parazoology
  2. Parasitology
  3. Both a and b
  4. None of these

Ans:- (b) Parasitology

Q.16:- Ginger is a ?

  1. Modified root
  2. Modified stem
  3. Modified leaf
  4. Modified bulb

Ans:- (b) Modified stem

Q.17:- The water of Holy Ganges is pure due to presence of ?

  1. Cyanophages
  2. Hydrophytes
  3. Bacteria
  4. Bacteriophages
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Ans:- (d) Bacteriophages

Q.18:- EBOLA is a ?

  1. Virus
  2. Bacteria
  3. Protozoa
  4. Fungi

Ans:- (a) Virus

Q.19:- In which phylum of animals does respiration take place by gills, called ctenidia ?

  1. Echinodermata
  2. Chordata
  3. Arthropoda
  4. Mollusca

Ans:- (d) Mollusca

Q.20:- Hemocyanin is an oxygen transport metalloprotein in some invertebrate animals. This protein contains ?

  1. One copper atom
  2. Two copper atoms
  3. One Iron atom
  4. One magnesium atom

Ans:- (a) One copper atom

Q.21:- Which one of the following statements is correct ? Cretinism is human disorder which is due to the under secretion of ?

  1. Adrenalin Hormone
  2. Cortisone Hormone
  3. Glucagon Hormone
  4. Thyroxin Hormone

Ans:- (d) Thyroxin Hormone

Q.22:- Transplantation of heart is first done by ?

  1. Dr. Willum Harvey
  2. Sir F.G. Hoffkins
  3. Dr. Louis Pasture
  4. Dr. Christian Barnard

Ans:- (d) Dr. Christian Barnard

Q.23:- Which of the following is a Biological method of soil conservation ?

  1. Contour Farming
  2. Contour Terracing
  3. Gully Control
  4. Basin Listing
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Ans:- (a) Contour Farming

Q.24:- A clone is a group of individual obtained through ?

  1. Self-Pollination
  2. Micro-propagation
  3. Hybridisation
  4. Cross Pollination

Ans:- (b) Micro-Propagation

Q.25:- Which of the following features of DNA make if uniquely suited to store and transmit genetic information from generation to generation ?

  1. Complementary of the two strand
  2. Double Helix
  3. Number of base pairs per turn
  4. Sugar phosphate backbone

Ans:- (b) Double Helix