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Biology Test

The document contains a series of biology questions covering various topics such as nutrition, photosynthesis, digestion, respiration, blood circulation, hormones, and plant responses. It includes definitions, explanations, and comparisons related to biological processes and structures. The questions are designed to assess knowledge of human physiology, plant biology, and the functioning of different systems in living organisms.

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Saurabh Arora
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7 views2 pages

Biology Test

The document contains a series of biology questions covering various topics such as nutrition, photosynthesis, digestion, respiration, blood circulation, hormones, and plant responses. It includes definitions, explanations, and comparisons related to biological processes and structures. The questions are designed to assess knowledge of human physiology, plant biology, and the functioning of different systems in living organisms.

Uploaded by

Saurabh Arora
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Define saprophytic nutrition. Give 2 examples.

(1 Marks

2. Write the equation of photosynthesis. (1 Mark)

3. Why do herbivores have longer small intestines than carnivores? (1 Mark)

4. What is the importance of emulsification in digestion? (2 Marks)

5. name the device used to measure blood pressure. What is systolic and diastolic
pressure. (2 marks)

6. Differentiate between aerobic and anaerobic respiration. (2 Marks)

7. Describe the role of the alveoli in the human respiratory system. (2 Marks)

8. How is food transported in plants? What is the tissue responsible for this? (2
Marks)

9differentiate between binary fission and multiple fission. (2 Marks)

10. Describe how the structure of the nephron aids in the process of urine
formation. (3 Marks)

11. How do stomata contribute to the process of transpiration in plants? (2 Marks)

12. Explain the function of the following in the digestive system:

 Liver
 Pancreas
(2 Marks)

13. Write a short note on the double circulation of blood in humans. (2 Marks)

14. What are hormones? Give two examples of hormones and their functions. (2
Marks)

15. Differentiate between reflex action and walking. (2 Marks)

16. How does the brain control body movements? (2 Marks)

17. Describe the structure and function of a neuron. (3 Marks)

18. What are synapses? How do they facilitate the transmission of nerve
impulses? (2 Marks)

19. Explain phototropism and geotropism with examples. (3 Marks)

20. What is the role of the pituitary gland in humans? (2 Marks)


21. Explain how the nervous system and endocrine system work together to control
and coordinate body activities. (3 Marks)

22. What are plant hormones? Name any two plant hormones and state their
functions. (2 Marks)

23. How do auxins cause bending of the shoot towards light? (2 Marks)

24. Why is feedback mechanism important in the regulation of hormones? (2 Marks)

25. Explain the role of adrenaline in the body during an emergency situation. (2
Marks)

26. explain

Budding

Grafting

Spore formation

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