National Examinations Board (+2)
+2 Science (Class 11 and 12)
Class 11 · NEB 2076 (old course)
Course Title: Biology (Bio)
- 1.1
Write the full form of DNA.
- 2.1
What is the role of ATP in cells?
- 3.1
Define the term "ecosystem."
- 4.1
What is the function of the stomata in plants?
- 5.1
Name the scientist who proposed the theory of natural selection.
- 6.1
What is the chemical formula of glucose?
- 7.1
What is the function of hemoglobin in the blood?
- 8.1
What is the role of mitochondria in a cell?
- 9.1
Define the term "photosynthesis."
- 10.1
What is the function of the enzyme catalase?
- 11.1
What is the difference between an autotroph and a heterotroph?
- 12.5
Describe the structure of a typical plant cell with the help of a labeled diagram. OR Describe the structure and function of the following organelles: a) Nucleus [2] b) Chloroplast [3]
- 13.5
What is mitosis? Explain the stages of mitosis with the help of a diagram. OR What is meiosis? Explain the significance of meiosis in living organisms.
- 14.5
Describe the process of photosynthesis. Write the overall chemical equation of photosynthesis.
- 15.5
What is the role of enzymes in biological systems? Explain the factors affecting enzyme activity.
- 16.5
Describe the structure of DNA. How is DNA replicated?
- 17.5
What are the different types of tissues found in plants? Explain their functions.
- 18.5
Describe the structure and function of the human heart.
- 19.5
What is the role of hormones in the human body? Explain the functions of insulin and adrenaline.
- 20.5
Describe the process of digestion in humans. Explain the role of different digestive enzymes.
- 21.5
What is the nitrogen cycle? Explain the different steps involved in the nitrogen cycle.
- 22.5
Describe the process of respiration in humans. Explain the difference between aerobic and anaerobic respiration.
- 23.5
What are the different types of tropisms in plants? Explain with examples.
- 24.5
Describe the structure and function of the human kidney.
- 25.5
What is genetic engineering? Explain the applications of genetic engineering in modern agriculture.
- 26.5
Describe the structure and function of the human nervous system.
- 27.5
What are the different types of ecosystems? Explain with examples.
- 28.5
Describe the process of fertilization in humans.
- 29.5
What is the role of vitamins and minerals in the human body? Explain the deficiency diseases caused by the lack of vitamins A, C, and D.
- 30.5
Describe the process of transpiration in plants. Explain its significance.
- 31.5
What are the different types of joints in the human body? Explain their functions.
- 32.5
Describe the structure and function of the human respiratory system.
- 33.5
What is the role of water in plant physiology? Explain the process of water absorption and transport in plants.
- 34.5
Describe the structure and function of the human excretory system.
- 35.5
What are the different types of adaptations in animals? Explain with examples.
- 36.5
Describe the process of protein synthesis.
- 37.5
What is the role of microorganisms in the environment? Explain the different types of microorganisms.
- 38.5
Describe the structure and function of the human immune system.
- 39.5
What are the different types of pollution? Explain their effects on the environment.
- 40.5
Describe the process of inheritance in humans. Explain the principles of Mendelian genetics.
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