# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 434 - 441 of 1732

Access detailed explanations (illustrated with images and videos) to **1732** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*!

View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

## Question number: 434

» Biology » Nutrition in Plants

### Question

What energy conversion takes place during photosynthesis?

### Choices

Choice (4) | Response | |
---|---|---|

a. | Solar energy into electrical energy | |

b. | Solar energy into chemical energy | |

c. | Chemical energy into heat energy | |

d. | Chemical energy into solar energy |

## Question number: 435

## Question number: 436

» Mathematics » Lines and Angles

### Question

Number of rays that can be drawn from a given point is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 | |

b. | 8 | |

c. | 5 | |

d. | Infinity |

## Question number: 437

» Mathematics » Comparing Quantities

### Question

A reduction of 25 % in the price of rice enabled a person to buy 5 kg more for Rs. 120. Find the original price.

### Choices

Choice (4) | Response | |
---|---|---|

a. | Rs. 6 | |

b. | Rs. 8 | |

c. | Rs. 24 | |

d. | None of the above |

## Question number: 438

» Mathematics » Integers

### Question

Integer used to represent walking 5 km towards the south is

### Choices

Choice (4) | Response | |
---|---|---|

a. | Walking 5 km towards the north | |

b. | -5 km | |

c. | +5 km | |

d. | -5 |

## Question number: 439

» Mathematics » Exponents and Powers

### Question

The value of is

### Choices

Choice (4) | Response | |
---|---|---|

a. |
| |

b. |
| |

c. | 5 | |

d. | 25 |

## Question number: 440

» Mathematics » Triangle and Properties

### Question

The Centroid of a triangle is the point of concurrence of its

### Choices

Choice (4) | Response | |
---|---|---|

a. | Medians | |

b. | Angle bisectors | |

c. | Altitudes | |

d. | Perpendicular bisectors |

## Question number: 441

### Question

The mean of 10 observations is 46. If one observation, namely 13 is added, the new mean is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 43 | |

b. | 45 | |

c. | 33 | |

d. | 41 |