Chhattisgarh Board Higher Secondary Sample Paper Biology
Sample Paper – 2012
Subject – Biology
- Write the importance of crossing-over take place.
- Write the method of duplication of hereditary material take place.
- Explain the mendal’s law of segregation with a suitable diagram.
- What do you mean by Abscission? Define about its starting factors.
- Explain the role of pancreatic juice in digestion.
- Write the transmission of nerve impulse.
- What do you mean by incomplete dominance? Define it with a suitable example.
- Write the means of Sex linkage? Define it with the example of colour blindness along with diagram.
- What is the economic importance of plants of family Malvaceae.
- Define human sperm with the help of diagram.
- How can we differentiate between pollination and fertilization.
- What is the importance of pisciculture? Explain any three.
- What is the role of Azola in the paddy crop.
- Define any two objectives of genetic engineering.
- Mention any two causes of Ageing.
- Define the effect of temperature, light and humidity on the following process:
(i) Photo synthesis (ii) Transpiration