# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 53 - 57 of 2000

Access detailed explanations (illustrated with images and videos) to **2000** 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. 550.00 or

How to register?

## Question number: 53

» Mathematics » Quadrilaterals

### Question

The sum of the angles in a quadrilateral is equal to ________.

### Choices

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

a. | 3 right angles | |

b. | 360 right angles | |

c. | 2 right angles | |

d. | 4 right angles |

## Question number: 54

» Mathematics » Lines and Angles

### Question

A, B, C are the three angles of a triangle. If , then are

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | Question does not provide sufficient data or is vague |

## Question number: 55

» Mathematics » Quadrilaterals

### Question

ABCD is a parallelogram. The angle bisectors of and meet at O. The measure of is

### Choices

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

a. |
| |

b. |
| |

c. | Dependent on the angle A and B | |

d. | Cannot be determined from given data |

## Question number: 56

» Biology » Fundamentals Unit of Life

### Question

Osmosis is ________

### Choices

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

a. | Movement of ions/salts/molecules from low concentration to high concentration with the use of ATP | |

b. | Movement of water molecules from low water potential to high water potential by utilising ATP | |

c. | Movement of water molecules from high water potential to lower water potential | |

d. | Movement of ions/salts/molecules from higher concentration to lower concentration |

## Question number: 57

» Mathematics » Circles

### Question

One side of a regular polygon with vertices on a circle subtends an angle of at the centre of this circle. This polygon is

### Choices

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

a. | 10 sided | |

b. | 18 sided | |

c. | 12 sided | |

d. | 6 sided |