142 questions · auto-graded multiple-choice test.
The leaves of spinach is used as a vegetable which contain Iron, and protein in large quantity. Spinach has high nutritional value. Along with Iron and protein it contains Vitamin $A, B, C$ and $K$ along with magnesium and calcium in small amounts.
It is the correct labelling.
Due to capillary action blue water rises and reaches up to flower.
The pistil or carpel is the female part of a flower. It is made up of three parts as: Stigma Top part of pistil. It is sticky and receives pollen. Style Middle part of pistil. It is a tube that connects stigma to ovary.
Ovary Swollen part at the bottom of pistil that contains ovules.
Fibrous roots come out from the base of stem.
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S.No.
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Column-$I$
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S.No.
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Column-$II$
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$A.$
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Tap root
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$(p)$
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The part of leaf.
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$B.$
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Fibrous roots
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$(q)$
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The main root of plants with reticulate venation.
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$C.$
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Stem
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$(r)$
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Found in plants with parallel venation.
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$D.$
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Petiole
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$(s)$
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Conducts water.
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S.No.
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Column - $I$
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S.No.
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Column - $II$
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$A.$
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Ovary
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$(p)$
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The slender, elongated portion of pistil.
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$B.$
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Ovule
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$(q)$
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The upper two lobed part of a plant stamen.
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$C.$
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Pistil
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$(r)$
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Enlarged basal portion of pistil.
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$D.$
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Style
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$(s)$
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An oval body in ovary of a flower which develops into a seed.
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A creeper is a plant having thin, long and weak stem, which cannot stand upright and spreads on the ground, e.g. Money plant. The rest can be corrected as:
Shrub Hard woody stem with branching near the base, e.g. Jasmine.
Tree Hard thick woody stem with branching much above the ground on the stem, e.g. Banyan, neem
Herb Non-woody, soft delicate, green tender stem e.g. Sunflower, tomato.
It correctly represents various parts.
Sugarcane, money plant and banyan have roots outside the soil.
The leaf has a network of vie ns on both sides of the midrib in reticulate venation.
Since roots of plant 'B' were cut before planting it $($Fig. $II),$ it failed to absorb water from soil.
In a mango tree the branches appear, higher-up on the stem.
(Note: In climbing plants, it refers to slender, elongated structure which serves as an organ of attachment, may be modified stem, leaf or stipule).
Statements $(i)$ and $(iii)$ are correct. Photosynthesis is the process by which leaves prepare food. Sunlight, carbon dioxide, chlorophyll and water are necessary for it.
The other sentences can be corrected as:
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S.No.
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Column-$I$
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S.No.
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Column-$II$
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$A.$
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Stamens
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$(p)$
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The portion of the pistil receiving the pollen.
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$B.$
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Filament
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$(q)$
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The female structure of a flower.
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$C.$
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Pistil
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$(r)$
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The stalk of an anther.
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$D.$
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Stigma
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$(s)$
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It is an inner part of a flower.
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Leaves perform both functions.
The leaves of spinach is used as a vegetable which contain Iron, and protein in large quantity. Spinach has high nutritional value. Along with Iron and protein it contains Vitamin $A, B, C$ and $K$ along with magnesium and calcium in small amounts.