Welcome to biology afns test 3, designed specifically for candidates preparing for the Armed Forces Nursing Services (AFNS) entrance examination. Building on the previous modules, this test focuses on key FSc Biology topics frequently targeted in the initial computer-based academic test.
Results
CONGRATULATIONS!! PASSED
OOPS SORRY !! FAILED
#1. Which of the following is the most common H+ acceptor.
#2. The sequential order in electrontransport form PS II to PS I of photosynthesis is.
#3. Ferredoxin in.
#4. Photolysis of each water molecule yields.
#5. CO2 is carried in blood as.
#6. Chloride shift is required for transport of.
#7. Amount of oxygen present in one gram of haemoglobin is.
#8. Muscles attached to diaphragm contract during inspiration to make it.
#9. How many PGAL molecules would regenerate 15 RuBP.
#10. Which one is product in respiration and reagent in photosynthesis.
#11. All of the following are characteristics of myoglobin except:
#12. When our drainage system is not functioning properly and the carbon dioxide accumulates in blood then:
#13. Which of the following decreases the oxygen carrying capacity of blood?
#14. Choose correct pair.
#15. Which is a specific gastric hormone.
#16. Gastric juice contains.
#17. Crypts of lieberkuhn are found in.
#18. Epithelial cells involved in absorption of digested food have on their free surface.
#19. Substrate for amylase enzyme is.
#20. Both starch and proteins are digested by.
#21. Which is related to light reaction of photosynthesis.
#22. Assertion: cyclic pathway of photosynthesis first appeared in some eubacteria species oxygen started accumulating in the atmosphere after noncyclic pathway of photosynthesis evolves.
#23. First reaction in photosynthesis is.
#24. Phytol chain is present in.
#25. Non cyclic photophosphorylation involves.
#26. Which reaction takes place in the lumen of thylakoid?
#27. During anaerobic respiration, most of the ATP formation takes place through:
#28. How many reactions in the TCA cycle transfer electrons from a substrate to an electron accepting co-enzyme?
#29. For each molecule of glucose, how many times does the TCA cycle proceed?
#30. Dark reactions of photosynthesis occur in.
#31. Correct equation for photosynthesis is.
#32. Carbon dioxide is _________ than oxygen in tissue fluids.
#33. RBCs of a person living at high altitudes:
#34. Haemoglobin is a complex molecule which has ability to bind with:
#35. Which of the following remains same in inspired and expired air?
#36. Inflammatory substance (histamine) causes:
#37. Which one is the common producer of bot respiration and photosynthesis.
#38. Dark reaction of photosunthesis occurs in.
#39. First portion of small intestineis called.
#40. Which of the following is not related to large intestine?
#41. The major function of the large intestine is the:
#42. Emulsification of fats will not occur in the absence of:
#43. Bile can be prevented to pass into duodenum by.
#44. Pepsingogen is secreted by.
#45. Enzyme maltase of human gut acts on food at.
#46. Jaundice is caused by elevated level of _________ in _________.
#47. Which of the following is not involved in chemical digestion of food?
#48. All are involved in mechanical digestion of food, except:
#49. Which of the following hormones increase the production of gastric juice?
#50. First step in digestion of fat is.
#51. Whichis not the function of liver
#52. Which of the following is not a funciton of the liver.
#53. The end products of proein hydrolysis is
#54. Proteolytic encyzems do not corrode lining of alimentary canal as.
#55. The greatest quantity of air that can be expired after a maximum inspiratoryeffort is its.
#56. Rennin acts on.
#57. Match the columns: Column I [a) Larynx, b) Trachea, c) Alveoli, d) Epiglottis] Column II [p) Lid of larynx, q) Air sacs, r) Voice box, s) Wind pipe]
#58. About 1200 ml of air left in lung even afer forceful respiration is called.
#59. Carboxyhaemoglobin is produced due to.
#60. thoracic cage of man is formed of.
#61. Oxygen carrying capacity of blood is.
#62. Identify the correct option from the table [A) Amino peptidase -> Polypeptides -> Amino acids, B) Erypsin -> Polypeptides -> Amino acids, C) Pepsin -> Dipeptides -> Nitrogenous wastes, D) Trypsin -> Proteins -> Polypeptides]
#63. Which of the following digests carbohydrates, proteins and as well as lipids?
#64. If a person consumes food containing maltose only, it will be digested in:
🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟
🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟
🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟
Welcome to biology afns test 3, designed specifically for candidates preparing for the Armed Forces Nursing Services (AFNS) entrance examination. Building on the previous modules, this test focuses on key FSc Biology topics frequently targeted in the initial computer-based academic test.
Key Topics Covered in Biology AFNS Test 3
To achieve top marks in your AFNS initial test, regular practice across foundational biological topics is essential. This quiz covers:
- Bioenergetics: Photosynthesis mechanisms, light and dark reactions, and cellular respiration processes.
- Support & Movement: Human skeletal structure, bone classification, joints, and muscle contraction mechanics.
- Coordination & Control: Nervous coordination, impulse transmission, reflex arcs, and brain structures.
- Reproduction & Development: Plant and animal reproductive strategies, embryonic development, and cell division.
Smart Strategies to Pass Biology AFNS Test 3
- Focus on Core Definitions: Re-examine standard FSc biology textbook terms to solve factual MCQs quickly.
- Review Wrong Attempts: Carefully check any incorrect answers after finishing the quiz to target areas needing review.
- Pace Yourself: Practice answering each question within the allocated time to build confidence for exam day.
Useful Resources & Next Steps
- Next Quiz: Continue to practice Biology AFNS Test 4.
- Main Hub: Return to All AFNS Biology Practice Quizzes to access the complete preparation series.
- Official Information: For official entry test schedules and registration criteria, visit the Join Pak Army Official Website.
General Biology Quiz 3: Plant Physiology & Botany Essentials
Plant biology (botany) examines the structural, physiological, and biochemical properties of autotrophic organisms. Plants serve as primary producers in global ecosystems, converting solar radiation into chemical energy. Biology Quiz 3 covers fundamental concepts in plant anatomy, photosynthesis, vascular transport, and phytohormones.
🌿 Botanist Note: Pay close attention to light vs. dark reactions, xylem vs. phloem transport mechanisms, and plant hormone applications in agriculture.
1. The Biochemistry of Photosynthesis
Photosynthesis is the biochemical pathway through which photoautotrophic organisms convert light energy, carbon dioxide, and water into oxygen and carbohydrate molecules (glucose). The overall chemical balance equation can be represented as:
6CO₂ + 6H₂O + Light Energy ➔ C₆H₁₂O₆ + 6O₂
Two Primary Phases of Photosynthesis:
- Light-Dependent Reactions: Take place within the thylakoid membranes of chloroplasts. Photons strike chlorophyll molecules, splitting water (photolysis) to generate oxygen gas, ATP, and NADPH.
- Light-Independent Reactions (Calvin Cycle): Take place in the stroma of chloroplasts. The enzyme RuBisCO facilitates carbon fixation, utilizing ATP and NADPH to synthesize glucose.
2. Plant Vascular Tissue & Fluid Transport
Vascular plants (Tracheophytes) rely on specialized conducting tissues to move water, minerals, and synthesized nutrients across roots, stems, and leaves:
- Xylem Tissue: Transports water and inorganic mineral ions unidirectionally from roots to leaves. Transport is driven by transpiration pull, capillary action, and root pressure. Xylem vessels consist mainly of dead cells (tracheids and vessel elements).
- Phloem Tissue: Transports organic nutrients (primarily sucrose) bidirectionally from source organs (leaves) to sink organs (roots, fruits, growing shoots). Phloem consists of living sieve tube elements and companion cells.
3. Plant Hormones (Phytohormones) & Growth Regulation
Phytohormones are chemical signals that direct plant development, tropisms, flowering, seed germination, and stress responses. Key hormones covered in plant biology tests include:
- Auxins (IAA): Promote stem elongation, apical dominance, phototropism, and root initiation.
- Gibberellins: Stimulate stem elongation, seed germination, breaking seed dormancy, and fruit expansion.
- Cytokinins: Promote cell division (cytokinesis), lateral bud growth, and delay leaf senescence.
- Abscisic Acid (ABA): Acts as a stress hormone, inducing stomatal closure during drought and enforcing seed dormancy.
- Ethylene: A gaseous phytohormone that accelerates fruit ripening and triggers leaf abscission.
4. Plant Reproduction & Alternation of Generations
Plants display a life cycle known as alternation of generations, oscillating between a multicellular diploid sporophyte generation and a multicellular haploid gametophyte generation.
In angiosperms (flowering plants), reproduction occurs through double fertilization within the flower structure. One sperm nucleus fertilizes the egg cell to form a diploid zygote, while a second sperm nucleus fuses with the polar nuclei to form a triploid (3n) endosperm, providing nutrition for the developing embryo.
5. Key Concepts to Master for Biology Quiz 3
To score highly in Biology Quiz 3, review chloroplast internal structures, stomatal opening mechanisms, vascular transport differences, and the agricultural applications of plant hormones.
Apny Pak navy FMT material ma Pak Army Afns Ka material shamil Kiya howa ha totally FMT material Tu ha hi ma FMT ki candidate hun maine preparation krni thi lkn material all over changed ha
Really Sorry!
i have updated the correct links
sorry again for inconvenience