Identify the wrong statements and correct them.
(a) Anther is a part of the pistil.
(b) The visible parts of a bud are the petals.
(c) Lateral roots are present in a tap root.
(d) Leaves perform the function of transpiration only
In which one of the following regions the chemical weathering process is
more dominant than the mechanical process?
(a) Humid region
(c) Arid region
(b) Limestone region
(d) Glacier region
Can the stem of a plant be compared with a street with two–way traffic? Give reason.
Will a leaf taken from a potted plant kept in a dark room for a
few days turn blue black when tested for starch? Give reasons
for your answer
Boojho wanted to test the presence of starch in leaves. He
performed the following steps.
(1) He took a leaf and boiled it in water,
(2) He placed the leaf in a petri dish and poured some iodine
over it.
He did not get the expected result. Which step did he miss?
Explain
A deep valley characterised by steep step-like side slopes is known as
(a) U-shaped valley
(c) Blind valley
(b) Gorge
(d) Canyon
Solve the riddles given below:
(a) “I have a green tender stem and I am much shorter than
you. Who am I?”
(b) I come out first from the seed when it is soaked in water.
I provide anchorage to plants. Who am I? Write another
function that I perform.
In which of the following stages of landform development, downward cutting
is dominated?
(a) Youth stage
(c) Early mature stage
(b) Late mature stage
(d) Old stage
Fill in the blanks:
(a) The small green leaves at the base of flowers are known
as ————.
(b) The swollen basal part of the pistil is the —————–
which bears the ———-.
(c) Stamen has two parts called ————- and ————.
(d) The young unopened flower is termed as ————-.
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