How do Organisms Reproduce? — Science STD 10 — Question

A student sitting on the last bench in the class cannot read the writing on the blackboard clearly but he can read the book lying on his de clearly. Which of the following statement is correct about the student?

You are asked by your teacher to study the different part of an embryo of a gram seed. Given below are the steps to be followed for the experiment.

1. Soak the gram seeds in plain water and keep them over might.
2. Cut open a soaked seed and observe its different parts.
3. Take some dry gram seeds in a petri dish.
4. Drain the excess water.
5. Cover the soaked seed with a wet cotton cloth and leave them for a day.

The correct sequence of these steps is :

The disposal of waste produced in a nuclear power plant is difficult because they are :

The basis of differentiating two groups of more or less similar organisms as separate species is :

The colour that is scattered the least by the tiny particles and the atoms/ molecules of the atmosphere is :

The solution of one of the following compounds will not conduct electricity. This compounds is :

Which of the following are often called glands of emergency?

The ability of metals to be drawn into wires is called :

The opening and closing of the stomatal pore depends upon:

One of the following traits cannot be inherited. This one is: