Zoology Question Paper – 4

1. Organism found at the bottom of the seas are ……. 

  1. Benthos 
  2. Plankton
  3. Nekton 
  4. Phytons

2. In a food chain, the largest population is that of ……….. 

  1. Primary Consumers 
  2. Tertiary consumers 
  3. Producers
  4. Decomposer  

3. Which of the following statements is true regarding the “law of segregation”?

  1. Law of segregation is the law of purity of genes
  2. Alleles separate from each other during gametogenesis
  3. Segregation of factors is due to the segregation of chromosomes during meiosis
  4. All of the above

4. The tendency of an offspring to resemble its parent is known as

  1. Variation 
  2. Heredity  
  3. Resemblance
  4. Inheritance

5. The stimuli through which a dancing scout bee communicates the location of a food source to  other worker bees in a hive are…

  1. Visual
  2. Acoustic 
  3. Contact 
  4. Contact and Visual   

6. Nobel prize winner for the discovery of method of interpersonal communication in honey bee  is …

  1. Von Frisch
  2. H.G. Khorana
  3. Harvey
  4. Darwin

7. An adaptation is:

  1. A place where an organism lives.
  2. A characteristic that improves the organism’s ability to survive.
  3. A stage in an animal’s life cycle.
  4. A characteristic the prevents an organism’s ability to survive.

8. The set of ecosystems is called a

  1. Biome
  2. Climate
  3. Subsystem 
  4. Structure

9. Energy _____ in an Ecosystem.

  1. is released
  2. is absorbed
  3. flows
  4. None of the above

10. In a gene interaction the gene that masks the expression of another gene is termed:

  1. Epistatic gene
  2. Hypostatic gene
  3.  Both (a) & (b)
  4. None of these

11. Ecosystem is smallest unit of….

  1. Ionosphere
  2. Lithosphere
  3. Biosphere
  4. Mesosphere

 12. Which scientist first gave the laws of hereditary?

  1. Mendel
  2. Galton
  3. Darwin
  4. None of these

13. What is the phenotypic ratio in F2 generation of a monohybrid cross?   

  1. 3:1 
  2. 2:6    
  3. 3:4:1:6
  4. 9:3:3:1

14. Mendels second law is the: 

  1. Law of Independent Assortment
  2. Law of Segregation
  3. Law of Dominance   
  4. Law of Polygenic inheritance

15. What is the other name of Exocetus?

  1. Flying fish 
  2. Toad 
  3. Tree frog  
  4. Flying frog

16. Adaptation for flight are called __

  1. Arboreal
  2. Aquatic
  3. Desert     
  4. Volant

17. Who prepares honey in honey bee colony?

  1. Queen  
  2. Worker Bee   
  3. Drone
  4. All 3 types of honey bees

18. At certain age human baby starts walking; this type of behavior is known as:

  1. Social Behaviour 
  2. Acquired Behaviour            
  3. Innate Behaviour 
  4. Personal Behaviour

19. Who coined the term “ecosystem”?

  1. Arthur Tansley
  2. E. P. Odum
  3. Albert Einstien
  4. Smith 

20. What is the phenotypic ratio in F2 generation of a monohybrid cross is?

  1. 9:3:3:1
  2. 1:3 
  3. 2:6 
  4. 3:4:1:6

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