Can you give me a name?
Solve each of the following riddles by writing the name of
the organism and its mode of nutrition. One riddle is solved
to help you.
(a) I am tall but I cannot move. I am green and can prepare
my own food. tree, autotroph
(b) I live in water; people keep me in an aquarium and
feed me. ,
(c) I am small and I can fly. I disturb your sleep, bite you
and suck your blood which is my food.
,
(d) I am white and soft. I grow well in the rainy season.
Children pluck me from the ground and admire me. I
absorb nutrients from decomposed dead parts of
plants and animals in the soil. ,
.
Wild animals like tiger, wolf, lion and leopard do not eat plants.
Does this mean that they can survive without plants? Can you
provide a suitable explanation?
Sunlight, chlorophyll, carbon dioxide, water and minerals are
raw materials essential for photosynthesis. Do you know where
they are available? Fill in the blanks with the appropriate raw
materials.
(a) Available in the plant : _______________
(b) Available in the soil : _______________, _______________
(c) Available in the air : _______________
(d) Available during day : _______________
Wheat dough if left in the open, after a few days, starts to emit
a foul smell and becomes unfit for use. Give reason.
Which one of the following is the highest cloud in the sky?
(a) Cirrus (c) Nimbus
(b) Stratus (d) Cumulus
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