Reproduction in Plants — Science STD 7 — Question

Why do we wear light coloured cotton clothes when it is hot?

State whether the following statements are True or False. If false, correct them.
In the process of obtaining wool from fleece, sorting is done after scouring.

A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too. Why did the dough smell sour?

The cellular respiration process takes place in which cell organelle?

How does smoking affect our health?

A straight wire carrying electric current is moving out of plane of paper and is perpendicular to it. What is the direction and type of induced magnetic field?

Name the following: A plant that has both autotrophic and heterotrophic mode of nutrition.

Give the reason behind variations found in the forests of different regions.

Fill in the blanks with the appropriate answers:People obtain groundwater through ________ and ________.