AP TET · Mathematics and Science (Paper II)
Life processes, plants, animals and ecology.
Test yourself on Biology
5 real AP TET questions with instant answers — no signup, ~3 minutes.
Biology forms a substantial portion of the Science section in AP TET Paper II, covering content taught in classes 6-8. This topic tests both your subject knowledge and your ability to explain life science concepts to upper primary students. Questions typically focus on life processes (nutrition, respiration, reproduction), plant and animal classification, human body systems, and environmental concepts.
Mastering biology for AP TET requires understanding fundamental processes rather than memorising isolated facts. Examiners frequently test the interconnections — how photosynthesis links to respiration, how ecosystems depend on food chains, how human activities affect biodiversity. Expect 8-12 questions directly from biology content, with additional pedagogy questions on teaching these concepts effectively.
The Andhra Pradesh context matters here. Questions may reference local biodiversity, sanctuaries (Kolleru, Coringa), endemic species, or regional environmental issues. Connect textbook concepts to AP's ecological landscape.
| Concept | Key Fact | |---------|----------| | Photosynthesis site | Chloroplasts in leaf mesophyll cells | | Stomata function | Gas exchange and transpiration | | Blood components | RBC, WBC, platelets, plasma | | Heart chambers | 2 atria (upper) + 2 ventricles (lower) = 4 chambers | | Excretory organs | Kidneys (urine), lungs (CO₂), skin (sweat), liver (bile) | | Plant classification | Thallophyta → Bryophyta → Pteridophyta → Gymnosperms → Angiosperms | | Vertebrate classes | Fish → Amphibians → Reptiles → Birds → Mammals | | Food chain levels | Producers → Primary consumers → Secondary consumers → Tertiary consumers → Decomposers | | Normal human body temperature | 37°C or 98.6°F | | Normal pulse rate | 72-80 beats per minute |
**Example 1: Life Process Identification**
*Question*: A plant placed in a dark room for 48 hours is then exposed to sunlight with one leaf covered in black paper. After testing with iodine, the covered part shows no blue-black colour. What does this experiment prove?
*Solution*:
**Example 2: Human Circulatory System**
*Question*: Trace the path of blood from the right atrium back to the right atrium.
*Solution*: Right atrium → Right ventricle → Pulmonary artery → Lungs (oxygenation) → Pulmonary veins → Left atrium → Left ventricle → Aorta → Body organs → Vena cava → Right atrium
This is called double circulation: pulmonary (heart-lungs-heart) + systemic (heart-body-heart).
**Example 3: Ecosystem and Food Chain**
*Question*: In a grassland ecosystem, grass is eaten by grasshoppers, which are eaten by frogs, which are eaten by snakes. If all frogs are removed, what happens?
*Solution*:
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Which part of the plant is primarily responsible for absorbing water and minerals from the soil?
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Q1 · Biology · EASY
Which part of the plant is primarily responsible for absorbing water and minerals from the soil?
Q2 · Biology · EASY
In which of the following groups are all organisms warm-blooded?
Q3 · Biology · MEDIUM
During photosynthesis, plants convert light energy into chemical energy. Which of the following is NOT a requirement for photosynthesis?
Q4 · Biology · MEDIUM
The human digestive system includes several organs. In which organ does the maximum absorption of digested food take place?
Q5 · Biology · HARD
In an ecosystem, organisms are classified as producers, consumers, and decomposers. A student observed a food chain: Grass → Grasshopper → Frog → Snake → Hawk. If a pesticide is used that accumulates in organisms and increases in concentration at each level of the food chain, which organism will have the highest concentration of the pesticide?
Notes generated on 27 Jun 2026