NAV JYOTI SHIKSHA SADAN
BHANWAR, KHUBRU
Class 11 
Sub-- Biology
Max marks 70

There are 4 sections.
SECTION A.    1 MARK QUESTIONS
SECTION B.    2 MARKS QUESTIONS
SECTION C.    3 MARKS QUESTIONS
SECTION D.    5 MARKS QUESTIONS

SECTION A
Comprises 1 mark questions

1.What do you mean by “chemotaxonomy?

2.Name the band of nerve fibers that joins the two cerebral hemisphere in mammals.

3.What are hormones.

4.Define vital capacity.

5.Which is the largest single cell?

SECTION B
Comprises 2 marks questions

6.Who proposed cell theory? Give its postulates?

7.Compare between chlorophyll ‘a’ and chlorophyll ‘b’?

8.Give the characteristic of epithelial tissues?

9.List any three characterstic features of Bryophytes.

10.Why is meiosis called reductional division & mitosis called equational division?

11.Distinguish between collenchyma and sclerenchyma.

12.Define glomerular filtration rate. What is its value in a healthy human?

SECTION C
Comprises 3 marks questions

13.Differentiate between photoperiodism and vernilisation?

14.(a) What is anzyme?

(b) Give an example of co-enzyme.

(c) Distinguish between apoenzyme and co-enzyme.

15. What is heart failure, heart attack and cardiac arrest?

16.Differentiate between exocrine, endocrine & heterocrine glands. 

17.Distinguish between prokaryotic & eukaryotic cell?

18. What is the difference between class Amphibian and class Reptilia in respect of their skin ?

19.Describe the transport of O2 and CO2?

20.Explain the different types of phyllotaxy. Give one example of each type.

21. Name the T3 and T4 components of thyroid hormone. Explain their specific function. 

22. Distinguish between photo system – I and Photo system – II.

23.Explain the mechanism of breathing in humans.

24.Distinguish between smooth & striated muscles.

SECTION D

Comprises 5 marks questions

25.What is meiosis? Detailed explanation of all the phases of meiosis.

26. Enlist the main features of Aschelminthes & give examples.

27. Detailed explanation about Diabetes and it's types.