Page 1 - Home Assignment II

SAI International School
Subject- Biology, Class- IX
Chapter- Tissues
Subtopic- Complex Permanent Tissue
Module- 11
Home Assignment- II
Worksheet-1

Q1. Which of the following statement regarding apical meristem is incorrect?
(a) It brings about increase in length of the root and stem.
(b) It develops by dedifferentiation of permanent tissues.
(c) It constitutes primary meristem.
(d) None of these
Q2. What are the functions of
the stomata?
(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (ii), (iii) and (iv)
Q3. Which of the following statements is true about tissue?
(a) Cells with similar structures but have different functions.
(b) A diverse group of cells that perform similar functions.
(c) Cells with similar structures and functions.
(d) Cells with different structures but the same function.
DIRECTION : Question nos. 4 and 5 below consist of two statements -
Assertion (A) and Reason (R). Answer these questions selecting the
appropriate option given below:
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
e) Both Assertion and Reason are false.
Q4. Assertion: A simple tissue is made of only one type of cells.
Reason: Various simple tissues in plants areparenchyma, collenchyma and
sclerenchyma.
Q5. Assertion :Parenchyma cells help in storage of food.
Reason :Parenchyma cells are the main seats ofphotosynthesis
Q6. (a)Water hyacinth floats on water surface. Explain.
(b)In desert plants, how does the rate of loss of water get reduced?
(c)Which structure protects the plant body against the invasion of parasites?
Q7. (a)Identify the region of the stem marked A in the
given diagram and the type of simple permanent
tissue found in this region.
(b)Mention any two characteristic features of the
cells found in this tissue.

Q8. (a)The root tips of a plant were cut and the plant was replanted. What will