Ramya and her friends were talking about tilling. Here is what they said: Ramya: "Tilling increases the air spaces in the soil."
Rahim: "Tilling pushes the dead and decaying matter deep into the soil." Ragav: "Tilling brings the ground water to the surface." Rita: "Tilling enriches the top soil by bringing up nutrients from below." Who is/are right? 1 only Ramya 2 only Ramya and Ragav 3 only Ramya, Rahim and Rita 4 all - Ramya, Rahim, Ragav and Rita Q:Which of the following agricultural practices is LEAST LIKELY to affect the amount of nutrients available to the plants? 1 crop rotation 2 adding fertilizer 3 removing weeds 4 spraying pesticide Q:Faran has grown tomatoes in his farm. He is afraid that the weeds in the farm might damage the tomatoes. He wants to spray the weedicides and get rid of the weeds. Which is the right time to spray the weedicides? 1 just before sowing the seeds of the tomatoes 2 just before ripening of the tomatoes 3 after tomato plants reach their maximum height 4 before the weeds start producing flowers Q: Faran has grown tomatoes in his farm. He is afraid that the weeds in the farm might damage the tomatoes. He wants to spray the weedicides and get rid of the weeds. Which is the right time to spray the weedicides? 1 just before sowing the seeds of the tomatoes 2 just before ripening of the tomatoes 3 after tomato plants reach their maximum height 4 before the weeds start producing flowers Q: Which of the following is done to prevent spoilage of freshly harvested grain? 1 storing in a refrigerator 2 adding water before storing 3 drying in the sun before storing 4 storing without separating the cover of the grain Q: Given below are some crops: group P: wheat, gram group Q: rice, maize Which of the following correctly identifies the type of crops in the above groups? 1 group P - kharif crops, group Q - rabi crops 2 group P - rabi crops, group Q - kharif crops 3 both group P and group Q - kharif crops 4 both group P and group Q - rabi crops Q: Many microbes cause diseases and are harmful to man, but some microbes are useful to us. In which of the following are microbes involved? 1 only in making bread 2 only in making curds and bread 3 only in breaking down dead plants and animals 4 all - in making curds, bread and breaking down dead plants and animals Q:
Sixty-five percent of the mass of bone<span> is an </span>organic<span> compound called hydroxyapatite. All </span>bones<span> formed by intramembranous ossification are irregular</span>bones<span>. TRUE</span>
Fungi lacks the ability to produce their own food because they do not have chloroplast which is needed to obtain energy from the sun and convert it into food. Also fungi lack ability to fix nitrogen which has to be incorporated into their food. They also can not fix carbon and utilize it to produce food. Because of these they have to depend on dead organic matters for food.
