NSO Level 1- Science Olympiad (SOF) Class 8: Questions 245 - 249 of 1178
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Question 245
Question MCQ▾
While sowing, the seeds should be sown at proper distance uniformly. The statement supporting this fact is
- The saplings need sufficient sunlight, water and nutrients from the soil.
- The saplings need enough space to grow healthy.
- The field looks beautiful when the plants grow uniformly
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 | |
b. | 2 and 3 | |
c. | 1 and 3 | |
d. | 1,2 and 3 |
Question 246
Question MCQ▾
Direction: Select the correct explanation of the statement given in question from the following sets
Grains must be dried well before storing.
- Grains are the favourite food of birds, insects and rodents.
- Drying makes the grains hard.
- It is difficult for insects to eat dry grains.
- Moisture makes the grains soft.
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 | |
b. | 3 and 4 | |
c. | 2 and 3 | |
d. | 1 and 3 |
Question 247
Question MCQ▾
Areas meant for the conservation of biodiversity are called
Choices
Choice (4) | Response | |
---|---|---|
a. | Reserved forests | |
b. | National parks | |
c. | Reservoirs | |
d. | Biosphere reserves |
Question 248
Question MCQ▾
Diabetics is caused by the decrease in production of this hormone
Choices
Choice (4) | Response | |
---|---|---|
a. | Thyroxin | |
b. | Adrenalin | |
c. | Insulin | |
d. | None of the above |
Question 249
Question MCQ▾
Dengue virus is carried by this mosquito
Choices
Choice (4) | Response | |
---|---|---|
a. | Female Qulux mosquito | |
b. | Female aedes | |
c. | Female anopheles | |
d. | None of the above |