NSO Level 2- Science Olympiad (SOF) Class 4: Questions 31 - 33 of 35

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Question number: 31

» General Activities

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Appeared in Year: 2016

MCQ▾

Question

Two students designed the experiment shown here to study soil erosion. A steady stream of water flows from the faucet into the tray holding sand and gravel. The water forms a channel by eroding some of the sand and gravel. How can the students increase the amount of sand and gravel being eroded?

Image shows The Tray with Sand & Gravel

Image Shows the Tray with Sand & Gravel

Image shows The Tray with Sand & Gravel

Choices

Choice (4) Response

a.

By increasing the water temperature

b.

By adding coarse gravel to the tray

c.

By increasing the tilt of the tray

d.

By reducing the flow of water

Question number: 32

» Plants

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Appeared in Year: 2016

MCQ▾

Question

Different plants have different edible parts as shown in the classification chart. Which one of the following can be a, b, c and d?

Choices

Choice (4) Response

a.

Radish, Onion, Cabbage, Ginger

b.

Carrot, Turmeric, Broccoli, Coconut

c.

Onion, Ginger, Cabbage, Carrot

d.

Turnip, Radish, Cauliflower, Potato

Question number: 33

» Human Body

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Appeared in Year: 2016

MCQ▾

Question

Rati placed 3 gm each of food W, X, Y, and Z in digestive juices E and F for 3 hours. After 3 hours, she recorded the amount of undigested food left in each digestive juice and plotted the graphs as shows below.

Image shows The Graph Of Digestive Juice

Image Shows the Graph of Digestive Juice

Image shows The Graph Of Digestive Juice

Based on the information deduced from the given graphs:

(i) Which of these foods W, X, Y, and Z is rich in dietary fibres?

(ii) If digestive juice E is from saliva then which component in the given foods W, X, Y and Z is being digested?

Choices

Choice (4) Response

a.

(i) -Z, (ii) - Starch

b.

(i) –W, (ii) - Starch

c.

(i) –Y, (ii) - Fats

d.

(i) - W, (ii) - Fats