DDUGU Model Paper

Hello sir I want to know modal paper for BSC biology of DDUUGU so here can you please give me its details ?

[sumit]

Hey as Deen Dayal Upadhyay Gorakhpur University or simply Gorakhpur University is located in Gorakhpur, Uttar Pradesh

Here I am giving you qus paper of biology
Q. 1. What is the importance of the epiglottis in human body ? 1

Q. 2. What happens to the glycogen concentration in the liver cells when the level of adrenaline increases in the blood stream of humans ? 1

Q. 3. Mention the scientific term used for replaced form of reproduction in which seeds are formed without fusion of gametes. 1

Q. 4. What does ecological niche of an organism represent ? 1

Q. 5. It was diagnosed by a specialist that the immune system of the body of a patient has been suppressed. Name the disease the patient has been suffering from and its causative agent. 1

part - B

Q. 6. Where are casparian strips located in a plant body and elaborate they made up of ? Mention its function. 2

Or

What is respiration quotient (RQ) ? Under what conditions will the value of RQ be one ? discuss. 2

Q. 7. What is resting membrane potential of a neuron ? What is the role of sodium potassium pumps in maintaining it ? 2

Q. 8. Draw a diagram of external view of a human brain. tag the frontal lobe, temporal lobe, occipital lobe and cerebellum. 2

Q. 9. How is the milk production regulated by hormones in human female ? discuss. 2

Q. 10. discuss the significance of the auxin / cytokinin ratio in plant tissue culture. 2

Q. 11. What does S-shaped trend of population growth represent ? How is J-shaped trend various from it and why ? 2

Q. 12. What does secondary productivity in an ecosystem indicate ? List any 2 factors by which productivity is limited in aquatic ecosystems. 2

Q. 13. How do viruses enter plant body and spread to long distances within it ? Mention any 2 ways by which viruses spread from 1 plant to a different. 2

Q. 14. In what form do plants absorb calcium from the soil ? List any 2 calcium deficiency symptoms in plants. 2

Q. 15. What is vernalisation ? How is the process of vernalisation advantageous to plants ? 2

part - C

Q. 16. discuss the theory of capillarity of water translocation in plants. Can the theory discuss translocation of water in 100 m tall trees ? provide 1 cause. 3

Q. 17. What is symbiotic nitrogen fixation ? Name the 2 protein components needed for this process. discuss their role. 3

Or

List the different modes of heterotrophic nutrition in plants. discuss any 2 modes giving 1 example of every. 3

Q. 18. What is biological magnification ? discuss how DDT as a water pollutant undergoes biological magnification ? 3

Q. 19. elaborate exotic species ? discuss with the help of 2 examples how the exotic species disturb the native species of an ecosystem ? 3

Q. 20. In what forms are nitrogenous wastes excreted in birds, humans and aquatic turtles respectively ? Why so, explain? 3

Q. 21. A patient was complaining of frequent urination, excessive thirst and dehydration. His fasting glucose level was obtained to be normal. Name the disease and its reason. discuss why are such symptoms occurring in this patient ? 3

Q. 22. discuss with the help of a suitable example for every of the subsequent terms : (i) morphallaxis (ii) epimorphosis and (iii) compensatory regeneration. 3

Q. 23. define the polygonum kind of embryo sac. Why is it generally referred to as monosporic ? 3

Q. 24. What is obsessive-compulsive disorder ? How is it various from borderline personality disorder ? elaborate the 2 most common obsessions that affect adolescents ? 3

Q. 25. What is human leucocyte antigen complex ? discuss its role in organ transplantation. 3

Q. 26. Why do C4 plants have dimorphic chloroplasts ? discuss the various steps involved in C4 photosynthetic carbon cycle in such plants. 5

Or

discuss the electron transport system. Where does it occur in a mitochondrion and what is the role of oxygen in it ? 5

Q. 27. discuss the events that occur in the human heart during ventricular systole and ventricular diastole in a cardiac cycle. Name the heart sounds and mention how they are produced. 5

Or

What is oxygen-haemoglobin dissociation curve ? define the role of red blood cells in the transport of oxygen and carbon dioxide by blood. 5

Q. 28. Briefly discuss the principle, procedure and the role of ELISA. 5

Or

What is somatic hybridisation ? discuss the different steps involved in the process. Mention any 2 uses of somatic hybridisation.


Address:
Deen Dayal Upadhyay Gorakhpur University
Civil Lines,
Gorakhpur,
Uttar Pradesh 273009
Phone: 0551 234 0363