MODEL PAPER
SUMMATIVE ASSESSMENT
ASSESSMENT-1
1 BIOLOGICAL SCIENCE
CLASS-10TH TIME: 2 HRS.
SECTION-I
Answer all the questions. Each carries one mark 6x1=6
1. Expand ATP.
2. What if there is no secretion of saliva happens in human beings?
3. Read the information and answer the following question.
Nerve cells carry impulses from and to brain for maintaining control and coordination in
human beings.
What other than neurons are present in humans for maintaining control and
coordination?
4. Name the type of reproduction seen in the picture.
5. Give an example of a phytohormone that helps in growth of
Plants.
6. Your father is working in a cement factory. He usually encounter a lot of allergic
diseases. What adivise will you give to keep him healthy?
SECTION-II
Answer all the questions. Each carries two marks 4x2=8
7. How can you say that aerobic respiration is higher mechanism than anaerobic
respiration?
8. If you have a chance to visit a nephrologist what questions would you ask him?
9. A person damaged his receptors by an accident. What would be the consequences?
10. Read the following table and answer the questions.
Sl no Name of the hormone Function
1. Growth hormone Stimulates growth in all organs
2 Insulin Regulates blood sugar level
3 Thyroxin Regulates metabolism of the body
i) Which hormones make you tall?
ii) What should be there in your food to regulate metabolism of your body?
iii) Which gland secretes insulin? What is its function?
SECTION-III
Answer all the questions. Each carries four marks 5x4=20
11. Write the difference between the mode of reproduction with and without the union of
gamete in a table.
12. Draw a neat labeled diagram of male reproductive system.
Or
i) Name the diagram.
ii) Identify 1 &2 in the pic
iii) How does this organism reproduce?
13. Give four examples that different enzymes help un digestion of food in you.
14. Study the following pic based information and answers the following questions.
questions
i) What is the fate of glucose when oxygen is not available?
ii) What will be your answer to fill in the place (i)?
iii) How many carbon molecules
molecules are there in pyruvate and why?
iv) Replace viii with suitable answer.
15. What precautionary measures will you take to keep your blood pressure under control?
SECTION-IV
Answer all the questions. Each carries eight marks 2x8=16
16. A) Explain the structure of heart
hear with a neat labeled diagram.
Or
B) Write differences between arteries and veins
17. A) Prove with an experiment that carbon di oxide is necessary for photosynthesis
Or
B) Write the procedure of the experiment to prove Phototropism in plants.
Prepared by:
PRAMOD KUMAR PADHY, SRIKAKULAM ON BEHALF OF BSTF, SRIKAKULAM.
