What goes up but never comes down?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Which five letter word can be added at the end of below word to form a
valid word?

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What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.