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

  1. The saplings need sufficient sunlight, water and nutrients from the soil.
  2. The saplings need enough space to grow healthy.
  3. 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

Edit

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.

  1. Grains are the favourite food of birds, insects and rodents.
  2. Drying makes the grains hard.
  3. It is difficult for insects to eat dry grains.
  4. 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

Edit

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

Edit

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

Edit

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

Edit