# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 235 - 239 of 2000

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## Question number: 235

» Biology » Fundamentals Unit of Life

### Question

Theory stating that “cells arise only from the pre-existing cells” was given by

### Choices

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

a. | M. J. Schleiden | |

b. | Robert Hooke | |

c. | T. S. Schwann | |

d. | Rudolf Virchow |

## Question number: 236

» Mathematics » Lines and Angles

### Question

In the given figure because they are

### Choices

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

a. | Vertically opposite | |

b. | Corresponding | |

c. | Alternate | |

d. | All of the above |

## Question number: 237

» Mathematics » Quadrilaterals

### Question

A quadrilateral which has exactly one pair of parallel sides is called

### Choices

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

a. | A kite | |

b. | A rectangle | |

c. | A trapezium | |

d. | A parallelogram |

## Question number: 238

» Mathematics » Lines and Angles

### Question

A triangle is a plane figure formed by joining 3 ________ points.

### Choices

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

a. | Concurrent | |

b. | Collinear | |

c. | Non-collinear | |

d. | All of the above |

## Question number: 239

» Mathematics » Areas of Parallelograms and Triangles

### Question

The area of a square is , Its perimeter is ________.

### Choices

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

a. | 12 cm | |

b. | 6 cm | |

c. | 24 cm | |

d. | 18 cm |