Correct option is D
I. Some crows are eagles.
II. Some eagles are herons.

(I): Some crows are herons. (Not follow, as there is no any direct relation between crow and heron)
(II): All herons are eagles. (Not follow, as Some eagles are herons.)
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. Some crows are eagles.
II. Some eagles are herons.
Conclusions:
(I): Some crows are herons.
(II): All herons are eagles.

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. Some cranes are sticks.
II. All sticks are balls.
Conclusions:
(i) Some cranes are balls.
(ii) All balls are sticks.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. All pens are blue.
II. Some blues are books.
Conclusions:
(I) Some books are pens.
(II) No books are pens.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. Some crows are eagles.
II. Some eagles are herons.
Conclusions:
(I): Some crows are herons.
(II): All herons are eagles.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. No hills are mountains.
II. Some mountains are valleys.
III. All valleys are glaciers.
Conclusions:
(I) No hills are valleys.
(II) Some mountains are glaciers.