Life Processes — Science STD 10 — Question

Which part of the human body:
Passes Sperms from a man to a woman?

The three elements predicted by Mendeleev from the gaps in his periodic table were known as eka - boron, eka - aluminium and eka-silicon. What names were given to these elements when they were discovered later on?

What is the genotype of tall plants which always produced tall offspring?

Define the following: Endosperm.

How is the neutralisation of a carbonate with an acid different from the neutralisation of an oxide or a hydroxide?

If an object is placed at the focus of a concave mirror, where is the image formed?

Write the balanced equations for the following reactions, and add the state symbols:
Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.

Give Defination: Golden rice.

What ions are present in the solutions of following substances? (write the symbols only)
Sodium hydroxide.