apscert.gov.in Bio Science Question Paper Model : State Council of Educational Research and Training
Organisation : State Council of Educational Research and Training
Exam : Bio Science Model Paper
Document Type : Model Question Paper
Website : apscert.gov.in
Download Sample Question Paper : https://www.pdfquestion.in/uploads/7501-%20BioScienceModelPaper.pdf
AP General Science Paper – II
Section – 1 :
NOTE :
1. Answer any four Questions from the following.
2. Each Question carries One mark.
Related : State Council of Educational Research and Training Physical Sciences Question Paper Model : www.pdfquestion.in/7497.html
Model Questions
1. Kidney is an essential excretary organ in our body. Mention the organs and their respective excretary products of man which performs excretion as an additional activity.
2. What is pyramid of number ? what does it indi cate ?
3. Satwik trvelled from Vijayawada to Tirupathi through out night. He noticed that his two legs were swollen Give reasons ?
4. White latex will oooze out, when you cut off the leaves of Colotropis. Which plants do you observe for this activity ?
5. Write the phenotype and Genotypic ratios by observing the follownig matrix ?
Group – A
7. We can’t perform the experiment of green plants by keeping them in sunlight and do the respiratory experiment. why?
8. Write the differences between homologus and analogous organs.?
9. What Questions do you ask the doetcr to know the Contageous means to got HIV? write them.
10. Write any four Contexts that you save the electrical Consumption at home.
Group – B
11. What happens when you keep a potted plant at your window ? write your reasons.
12. Write the differen ces between Arteries and veins in a format depending upon the Capillary walls, valves, blood flow in capillary, blood pressure over the copillaries.
13. Draw a well labelled diagram of villi of small intestine and write it’s main function.
14. Prepare four sloguns on the need of protection of our environment
Group – C
15. Write the answers by observing the experiment performed at your school.
i) Why the potted plant was kept in dark room for week days prior to the experiment?
ii) Why do you keep KOH pellets in the glassjar?
iii) What reswts do you get when you perform this experinent in shade?
iv) What apparatus you used to perform this experiment?
17. Gire reasons for the following questions.
i) Blood that flows from stomach to intestine will not go directly to heart but flows via liver. why?
ii) Why it is necessary to know the blood groups of donar and receipients befor the blood transfusion.
iii) Valves are present only in veins but not in arteries why ? give reason.
iv) Arteries of our body are embeded deeply. Why?
18. Give answers about the yeast experiment of respiration.
i) Why do you keep paraffin over the glucose solution ?
ii) Into which colour the bicarbonate solution turns off ? Why ?
iii) What do you understand by Anaerobic respiration.
Group – D
19 .Read the following passage : AS1
As the process of digestion in the stomach nears completion, the contractions of the stomach decreases.
This prompts the muscles called as Pyloric sphincter at the opeining of the stomach and the first part of the
small intestine or deodenum to relax. This opens the pathway into deuodenum releasing the partially digested
food (chyme) in small Quantities into the deuodenum.
Peristalisis involves the contraction of the muscle behind the food and the relaxation of the muscle in
front of the food giving rise to a thrust that pushes the food forward through the digestive canal. A wave of
contraction followed by relaxation in muscles help in forward movement of food.
Write the answers of the following questions.
i) What is the use of peristalic movement.
ii) What are the changes that occurs by peristalic movement and muscular movement in food canal?
iii) What is the role of pyloric splinctur ?
iv) What is the use of deuoderum
20. “Earth loses about 36 million acres of forest to deforestation on area about half size of our state –
Explain. AS1
21. The farmers of your locality are using chemical fertilizers. But suggested them to use natural fertilizers.
Prepare a plamplent to explain the need of Bio fertilisers.
22. Following ‘Pi’ diagram explain the irrigation facility of Andhra Pradesh. Interprete the data and explain.
the water harvesting methods.