AP 1st Year Inter Biology Answer Key 2026 LIVE Updates: The Board of Intermediate Education, Andhra Pradesh, has concluded the 1st year Biology exam across all designated test centres today, March 5, 2026. The exam was held in pen-and-paper mode from 9 AM to 12 PM. As per the paper pattern, Biology is divided into two subjects: Botany and Zoology.
Our GMU correspondent Nitin has reached the Vijayawada test centre, and Manisha is reporting from Vizag. According to initial reactions of the students, the Biology paper was moderately difficult. Keep a track of our AP Inter 1st year Biology answer key 2026 for more details!
AP 1st Year Inter Biology Answer Key 2026(Available)
Candidates who have appeared for the Biology exam can refer to AP Inter 1st year Biology unofficial answer key 2026, prepared by our subject-matter experts, to analyse their performance. We have updated the answer keys below:
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Questions |
Answers |
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Part 1-Section A(Botany)
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1) Diatomaceous Earth is indestructible due to cell walls embedded by- |
2) Silica |
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2) Identify the secondary metabolite |
4) Rubber |
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3) The stage between meiosis-I and meiosis-II is__________ |
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4) ___________is the major limiting factor for photosynthesis |
CO2 concentration |
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5) In glucose, how many carbon molecules are present? |
6 |
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Section-B |
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6) Give the main criteria used for the classification of Whittaker |
Cell structure, body organization, mode of nutrition, reproduction, and phylogenetic relationships. |
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7) Differentiate an actinomorphic from a zygomorphic flower |
Actinomorphic: Radial symmetry (e.g., Mustard). Zygomorphic: Bilateral symmetry (e.g., Pea). |
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8) What is meant by parthenocarpic fruit? |
Parthenocarpic fruit is a fruit that develops without fertilization, so it does not contain seeds. Example: Banana, seedless grapes.
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9) What is the middle lamella made of? What is its functional significance? |
Made of Calcium pectate. It acts as a cementing layer between neighbouring plant cells. |
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10) Starch, cellulose, glycogen, and chitin are polysaccharides found among the following: a) cotton fibre b) exoskeleton of a cockroach c) liver d)peeled potato |
(a) Cellulose, (b) Chitin, (c) Glycogen, (d) Starch. |
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11) Processes in the grana and stroma regions of the chloroplast. |
Grana: Light Reaction. Stroma: Dark Reaction (Calvin Cycle). |
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12) What is apical dominance? Name the growth hormone. |
Growth of the apical bud inhibits lateral buds. Caused by Auxin. |
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Section-C |
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13) Differentiate between red algae and brown algae |
red algae: phycoerythrin pigment, found in deep marine water, smaller in size |
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14) Explain types of phyllotaxy with examples |
Alternate: China rose, mustard Opposite: Guava, calotropis Whorled: Alstonia, Nerium |
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15) Classify chromosomes based on centromere location |
Metacentric (middle), Sub-metacentric (off-centre), Acrocentric (near end), Telocentric (terminal). |
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16) In which phase of meiosis are the following formed |
(a)-iii, (b)-v, (c)-i, (d)-vi, (e)-ii, (f)-iv. |
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17) Differentiate between C3 and C4 plants. |
C3: 3-PGA is the first product, no Kranz anatomy. C4: OAA is the first product that has Kranz anatomy. |
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18) Physiological responses of gibberellins in plants. |
Stem elongation (bolting), malt production, and delaying senescence. |
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Part II Section E-Zoology |
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21) Biological names are printed in - |
(3) italics |
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22) Which of the following is a pseudocoelomate? |
(3) Ascaris |
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23) _________is known as graveyard of RBC. |
Spleen |
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24) Process of releasing urine from the bladder. |
Micturition |
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AP Inter 1st Year Biology Exam 2026: Check Paper Difficulty Level
Based on students' reactions, expert reviews, and analysis, we will provide a detailed analysis of AP 1st year Inter 2026 Biology paper here:
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Particulars |
Details |
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Overall Paper Difficulty Level |
Moderate to Difficult |
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Students Reviews |
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Toughest Section |
Section C(Long Answer Questions) |
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Easiest Section |
Section A(Very Short Answer Questions) |
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High-weightage Topics |
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Was the Paper Lengthy |
Yes |
Students and educators can chcek our LIVE updates on AP 1st-year Inter Biology answer keys to get complete details on feedback on questions, difficulty level, and unofficial keys.
Live Updates
Ankita from Vizag exam centre told one of our correspondents that she found the overall paper mdoerate; however,, some Zoology quetsison were tricky and time-consuming.
As per reaction of Aditi, a student from the Vizag exam centre, the overall difficulty level of teh Biology paper was of moderate level.
No, as per the marking criteria adopted by BIEAP, there is no negative marking for incorrect or unattempted questions.
AP Inter 1st year Biology paper 2026 has been concluded at 12 PM. Our correspondents will soon record responses from students and offer updates on the difficulty level of questions.