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Byju's Answer

Standard XII

Biology

Structural Symmetry in a Flower

Statement Som...

Question

Statement

Some flowers are fruits

Some fruits are buds

No bud is a leaf

All leaves are plants

Conclusions

I. No plant is bud

II. Some plants are fruits

III. Some buds are flowers

Only III follows

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Only I follows

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Only II and III follows

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None of these

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Only II follows

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Solution

The correct option is D
None of these

No bud is a leaf and all leaves are plants. So it is possible that some plants can be buds. So the conclusion I doesn't follow.

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Similar questions

Statements

All petals are flowers.

Some flowers are buds.

Some buds are leaves.

All leaves are plants.

Conclusions

I. Some petals are buds.

II. Some flowers are plants.

III. No flower is plant.

Q. Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.

Statements: Some roses are flowers. Some flowers are buds. All buds are leaves. All leaves are plants.
Conclusions:
I. Some plants are flowers.
II. Some roses are buds.
III. All leaves are roses.
IV. No roses are buds.

Q. Statements: Some fruits are plants.
No plant is a tree.
No flower is a fruit.
Conclusions: I. All fruits can never be trees.
II. Some flowers are plants.

Statements:

All leaves are fruits.

Some fruits are trees.

No tree is house.

Conclusions:

I. Some houses are leaves.

II. Some trees are leaves.

III. No house is a leaf.

Statements:

All fruits are leaves.

Some leaves are trees.

No tree is a house.

Conclusions:

I. Some houses are fruits.

II. Some trees are fruits.

III. No house is a fruit.

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Statement Some flowers are fruits Some fruits are buds No bud is a leaf All leaves are plants Conclusions I. No plant is bud II. Some plants are fruits III. Some buds are flowers

The correct option is D None of these No bud is a leaf and all leaves are plants. So it is possible that some plants can be buds. So the conclusion I doesn't follow.

Statement

Some flowers are fruits

Some fruits are buds

No bud is a leaf

All leaves are plants

Conclusions

I. No plant is bud

II. Some plants are fruits

III. Some buds are flowers

The correct option is D
None of these

No bud is a leaf and all leaves are plants. So it is possible that some plants can be buds. So the conclusion I doesn't follow.