Human Eye and Colourful World — Science STD 10 — Question

Identify the unsaturated compounds from the following:

1. Propane.
2. Propene.
3. Propyne.
4. Chloropropane.

If a patient is out on dialysis, he is most likely suffering from a severe ailment of the :

The magnetic field inside a long straight solenoid carrying current :

In which of the following groups of organisms the food material is broken down outside the body and then absorbed?

Asexual reproduction through budding takes place in :

1. Amoeba and Yeast.
2. Yeast and Hydra.
3. Hydra and Plasmodium.
4. Corals and Sponges.

In Mendele′ ev ’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the perioidc table later :

The disposal of waves produced in a nuclear power plant poses a big problem because it is :

As compared to daytime, the amount of carbon dioxide released by the plants during night is more because:

Which of the following gets the minimum energy through the food chain in an ecosystem?