Question

SUBJECT – BIOLOGY

M. Marks 27

GENERAL INSTRUCTIONS:

1. All questions are compulsory.

2. Before writing read the question carefully.

3. Handwriting should be legible.

4. The marks allocated are written along with questions.

Q1. What do you understand by osmosis? (1)

Q2. Plasma membrane is

a. Semi permeable c. Selectively permeable

b. Permeable d. Impermeable (1)

Q3. Which of the following is present at the growing tips of stems and roots?

a. Apical meristem c. Lateral meristem

b. Intercalary meristem d. All of the above (1)

Q4. A cell placed in solution swells up. The solution is _____

a. Hypertonic c. Isotonic

b. Hypotonic d. Both a and b (1)

Q5. Differentiate between striated, unstriated and cardiac muscles on the basis of their structure and

location on body? (3)

Q6. Make a comparison and write down ways in which eukaryotic cells are different from prokaryotic

cells? (3)

Q7.1. What would happen to life of a cell if there was no Golgi apparatus?(1)

2. Which organelle is known as powerhouse of cell? Why? (2)

Q8. Draw a well labelled diagram of animal and plant cell? (5)

Q9. 1. Write down the constituents of

a. Xylem

b. Phloem (2+2)

2. Give two examples of connective tissue? (1)

Q10. The nucleus contains chromosomes. Which are visible rod shaped structures only when the cell is

about to divide. Chromosomes contain information for inheritance of features from parents to next

generation in the form of DNA molecules. Chromosomes are composed of DNA and protein. Functional

segments of DNA are called genes.

a. What is the full form of DNA? (1)
Define gene?(1)

c. How many chromosomes are there in prokaryotic cells? (1)

d. _____contains hereditary information for passing inheritance of traits from one generation to

another.(1)​

Answer 1

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Mark as brainliest please

Answer 2

Answer:

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