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12th Class Biology Guess 2023 || 2023 2nd Year Biology Guess || Short Questions

Chapter No. 15
SHORT QUESTIONS

1. Define homeostasis? Give its importance.
2. What is hypertonic environment and what changes occur in a cell in such environment?
3. Differentiate between mesophytes and xerophytes?
4. Differentiate between osmoconformers and osmoregulators?
5. Define anhydrobiosis? Give example.
6. Why leaves are said to be excretophore?
7. Differentiate between protonephredia and metanephridia?
8. What are flame cells and why are these called so?
9. Draw a urea cycle?
10. Draw structural formula of urea and uric acid?
11. Differentiate between cortical nephron and juxtamedullary nephron?
12. What is counter current multiplier?
13. What is ADH and how does it function?
14. Differentiate between heterotherms and poikilotherms?
15. Differentiate between ectotherms and endotherms?
16. What are the adaptations of plants for high temperature?
17. Explain the process of panting with example.
18. Differentiate between hypercalcemia and hyperoxaluria?
19. What is meant by lithotripsy?
20. What is hemodialysis? Give its importance.
21. Differentiate between the shivering thermogenesis and non-shivering thermogenesis?
22. What is pyrexia?
23. What is uremia?
24. What are heat-shock proteins?

Chapter No. 16 Support & Movement
SHORT QUESTIONS

1. What are the causes of herbiation of discs?
2. Define the process of ecdysis.
3. Write two types of nastic movement?
4. What is rickets? Write its causes.
5. How callus is formed?
6. What is a synovial joint?
7. What are sources of energy for muscle contraction?
8. What is haptonastic movement? Give example.
9. Name the types of cells associated with bone.
10. Differentiate between heartwood and sapwood?
11. Differentiate between sclerenchyma and collenchyma cells?
12. Differentiate between epicuticle and procuticle?
13. Differentiate between hyaline cartilage and fibro cartilage?
14. Mention the paired bone of skull?
15. Name unpaired facial bone.
16. What do you know about floating ribs?
17. Differentiate between tendons and ligaments?
18. Differentiate between synovial and cartilaginous joints?
19. Differentiate between hinge joint and ball and socket joints?
20. What is sciatica? Write its causes?
21. What do you know about all and none response?
22. Differentiate between effective stroke and recovery stroke?
23. Differentiate between passive flight and active flight?
24. What is foramen trioseum? How it is formed?
25. Differentiate between digitigrade, plantigrade and unguligrade?

Chapter No. 17 Control and Cordination
SHORT QUESTIONS

1. Give two commercial applications of gibberellins?
2. Give effects of nicotine on blood vascular and digestive system.
3. What is difference between CNS and PNS?
4. Define imprinting?
5. Define the term hormone, give one example.
6. What is reflex arc?
7. What are gastrin and secretin?
8. Give role of 2, 4 DPA.
9. How axon is differing from Dendron?
10. Differentiate between nerves and ganglion?
11. What is ADH, give its role?
12. What is cretinism?
13. Give role of hypothalamus as endocrine gland?
14. Differentiate between Galls and Calluses?
15. Differentiate between Diurnal and Circannual Rhythm?
16. Differentiate between photoreceptor and Nociceptor?
17. Differentiate between Meissner’s Corpuscles and Paccinian Corpuscles?
18. What is neurotransmitter? Give example.
19. What is Organic Disease?
20. Differentiate between Addison’s and Cushing‘s Disease?
21. What is neuroglia?
22. What are Nissl’s granules?
23. What is depolarization and repolarization of nerve impulse?
24. Write down the chemical compostion of ADH, Thyroxine and Glucagon?
25. Which factor is involved in the secretion of STH?