ZOOLOGY QUESTION PAPER – 3

1. Who first used the word ‘factor’ for gene?

  1. Watson  
  2. Mendel    
  3. Darwin  
  4. Johnson

2. Animals that can’t regulate their body temperature as per atmospheric temperature are Called.

  1. Homothermous
  2. Heterothermous
  3. Special animal 
  4. None of these

3. Which phylum consist canal system ? 

  1. Arthropoda 
  2. Porifera
  3. Coelenterates
  4. Nemathelminthes

4. Polymorphism is the characteristic of

  1. Protozoa
  2. Porifera
  3. Coelenterates 
  4. Nemathelminthes

5. Multiple alleles control inheritance of …

  1. Colour blindness
  2. Phenylketonuria 
  3. Sickle cell anemia
  4. Blood group

6. Which of the following is considered a production component of the environment?

  1. Bacteria 
  2. Plants
  3. Insects
  4. Birds

7. Most stable ecosystem is…

  1. Forest   
  2. Desert
  3. Oceans
  4. Mountain

8. ______ portions of chromosomes that stain lightly and only partially condensed 

  1. Heterochromatin  
  2. Euchromatin 
  3. Facultative chromatin 
  4. Constitutive

9. Which of the following descriptions of chromosomes is not correctly matched? 

  1. Metacentric — chromosome arms are almost equal in size. 
  2. Submetacentric — chromosome arms are slightly different in size. 
  3. Acrocentric — chromosome arms are identical in size. 
  4. Telocentric — there is only one chromosome arm.

  10. The inherited behavior is called instincts:

  1. Imprinting
  2. Learning
  3. maturation  
  4. Instinct

11. Who perform different tasks in colony of honey bees? 

  1. Drone
  2. Queen
  3. Workers
  4. None of these

12. Maximum productivity is found in ……. 

  1. Tropical rain forest
  2. Grass land 
  3. Dessert
  4. Temperate forest

13. Which of the following is a possible producer in an ecosystem?

  1. Bacteria
  2. Animals 
  3. Human being
  4. Fish

14. Which one of the following is an abiotic components of the ecosystem…..

  1. Bacteria 
  2. Plants
  3. Humus
  4. Fungi

15. In Complemenntary  gene, the dihybrid ratio of 9:3:3:1 is modified to…….. 

  1. 9: 7
  2. 13: 3
  3. 15:
  4. 12: 3: 1

16. 12:3:1 ratio is due to which type of gene interaction 

  1. Dominant Epistasis
  2. Recessive  Epistasis
  3. Supplementary gene interaction 
  4. Complemenntary  gene interaction 

 17. ABO blood group of Landsteiner are classified on the basis of : 

  1. Antigens (glycoprotein) 
  2. Antibodies 
  3. Serum
  4. Gene

18. A modified dihybrid Mendelian ratio of 9:3:4 shows…..  

  1. Lethal gene
  2. Duplicate 
  3. Supplementary gene interaction 
  4. Complemenntary  gene interaction 

19. Ecosystem of a pond is ….. 

  1. Lentic 
  2. Lotic
  3. Benthic
  4. Xeric

20. In an ecosystem the rate of production of organic matter during photosythesis is termed as…. 

  1. GPP
  2. Secondary productivity
  3. NP
  4. NPP

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