Download GTU BE/B.Tech 2019 Summer 3rd Sem New 2130401 Introductory Biology Question Paper

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Subject Code: 2130401

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-III (NEW) EXAMINATION — SUMMER 2019

Subject Name: Introductory Biology

Time: 02:30 PM TO 05:00 PM

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. 1. Explain the concept of speciation. (03 MARKS)
   2. Write a note on use and misuse of biology. (04 MARKS)
   3. Explain different modifications acquired by the roots with example. (07 MARKS)

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2. 1. Define the term transpiration and water potential. (03 MARKS)
   2. Explain the terms hypothesis and observation. (04 MARKS)
   3. Explain morphology of a flower with a neat diagram (07 MARKS)
      OR
      

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      Draw neat diagram of human heart with proper annotation.
3. 1. What is macro and micro nutrient? Enlist them. (03 MARKS)
   2. Draw a neat diagram of neuron. (04 MARKS)
   3. Comment on the modes of nutrition in animals and briefly describe nutritional deficiency disorders. (07 MARKS)
      

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      OR
      Give classification of plant tissues and their function.
4. 1. Draw a neat diagram of respiratory tract of humans. (03 MARKS)
   2. Explain biology as the “science of life” and comment on the emergence of contemporary biology (04 MARKS)

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   3. Comment on Darwinism. (07 MARKS)
5. 1. Draw a neat diagram of monocot root with proper annotation. (03 MARKS)
   2. Describe the process of absorption and movement of water in a plant tissue. (04 MARKS)
      OR
      

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      What is role of joints in movement?
   3. Explain inflorescence. (07 MARKS)
6. 1. What are endocrine glands? Discuss the basics of human Endocrine system. (03 MARKS)
   2. What is adventitious root? Give example. (04 MARKS)

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   3. Enlist various factors affecting photosynthesis. Explain any two in detail. (07 MARKS)
7. 1. Explain Calvin cycle of photosynthesis. (03 MARKS)
      OR
      Where does light reaction take place? What are the products of light reaction?

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   2. Explain skeletal and cardiac muscle tissue. (04 MARKS)
   3. Explain epithelial tissue in detail. (07 MARKS)

Date: 07/06/2019

Total Marks: 70

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