NSO Level 1- Science Olympiad (SOF) Class 9: Questions 632 - 637 of 1128

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Question 632

Question

MCQ▾

Survival of plants in terrestrial environment has been made possible by the presence of

Choices

Choice (4)Response

a.

Intercalary meristem

b.

Conducting Tissue

c.

Apical meristem

d.

Parenchymatous Tissue

Question 633

Question

MCQ▾

Which of the following organisms perform photosynthesis?

Choices

Choice (4)Response

a.

Fungi

b.

Plantae

c.

None of the above

d.

All of the above

Passage

Directions: The table shows the mass of different substances dissolved in 100g water to make a saturated solution at different temperatures. Depending on the data given below, answer questions below

The Table Shows the Mass of Different Substances Dissolved
Substance dissolved10°C20°C30°C40°C50°C
Potassium Nitrate213262106167
Sodium Chloride3636363737
Potassium Chloride3535404654
Ammonium Chloride2437415566

Question 634 (1 of 3 Based on Passage)

Question

MCQ▾

Maulik cooled a saturated solution of Ammonium Chloride in 100g water at 50°C to 10°C . What will be his observation?

Choices

Choice (4)Response

a.

The solution changed to solid state

b.

54g salt is left behind

c.

No salt is left behind

d.

42g salt is left behind

Question 635 (2 of 3 Based on Passage)

Question

MCQ▾

Reena wants to make a saturated solution of Potassium nitrate at 30°C . How much salt should be dissolved in 50 g of water.

Choices

Choice (4)Response

a.

32 g

b.

62 g

c.

31 g

d.

42 g

Question 636 (3 of 3 Based on Passage)

Question

MCQ▾

The solubility of which salt does not change much with temperature.

Choices

Choice (4)Response

a.

Ammonium Chloride

b.

Potassium Nitrate

c.

Potassium Chloride

d.

Sodium Chloride

Question 637

Question

MCQ▾

The Rabi season is from

Choices

Choice (4)Response

a.

June to October

b.

November to April

c.

April to June

d.

May to December

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