Write true or false (10)
i) The pancreas secretes bile juice.
ii) Water is absorbed in the large intestine.
iii) Chromoplasts are the kitchen of the cell.
iv) Vacuoles are filled with a fluid called nucleoplasm.
v) Most insect pollinated flowers produce nectar.
vi) A stamen has a long stalk called style.
vii) The leaves of opuntia are modified into spines.
viii) Leaf spines help to reduce the loss of water by transpiration.
ix) The four whorls of a typical flower arise from the tip of the
pedicel.
x) The size of the cell is usually measured in centimeters.
Answers
Answer:
1.false (bile juice is secreted by liver)
2.ture(Water is absorbed here and the remaining waste material is stored as feces before being removed by defecation.)
3.true(Chloroplast is a plastid containing green pigment called chlorophyll. This pigment helps the cells to prepare its own food by the process of photosynthesis. So thats why Chloroplast is the cell organelle which is known as Kitchen of the cell)
4.
false(vacolue are filled with a fluid called cell sap
5.true
6.false(The long stalk in stamen is called filament. Filaments provide support to anthers and they carry nutrients to anthers where pollen develop)
7.true(Leaves are modified into spines in Opuntia (xerophytes) so as to reduce the surface area and minimize rate of water loss by evaporation and transpiration. Besides, they also provide protection to the plant from grazing animals.)
8.true
9.false
10.false
Explanation:
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