# NSTSE (National Science Talent Search Exam- Unified Council) Class 4: Questions 1819 - 1823 of 1971

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## Question 1819

Appeared in Year: 2016

### Question

MCQ▾

Find the simplest form of the sum of and .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1820

Appeared in Year: 2017

### Question

MCQ▾

How many minutes make a quarter of an hour?

### Choices

Choice (4)Response

a.

15

b.

8

c.

9

d.

7

## Question 1821

Appeared in Year: 2016

### Question

MCQ▾

Observe the given graph. On Saturdays, the school functions from 8 a. m. to 12 noon. For how long can the students play on a Saturday?

### Choices

Choice (4)Response

a.

20 min

b.

30 min

c.

15 min

d.

60 min

## Question 1822

Appeared in Year: 2017

### Question

MCQ▾

When a bulb is connected to a cell with wires, it glows. What kind of energy is stored in cells?

### Choices

Choice (4)Response

a.

Chemical energy

b.

Light energy

c.

Electrical energy

d.

Solar energy

## Question 1823

Appeared in Year: 2016

### Question

MCQ▾

Sonam saw some wild mushrooms growing on a piece of rotting log. She realized that they do not have any green leaves with which to make their own food. However, they were still alive. How is this possible?

### Choices

Choice (4)Response

a.

Mushrooms have chlorophyll in their caps with which they make their own food.

b.

Mushrooms get food from the air.

c.

Mushrooms do not need food.

d.

Mushrooms get their food from the piece of rotting log.

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