Fast Printing Dec 2025 Science

Fast Printing Dec 2025 Science - Paper 1 - Objective Test Instructions

Answer all the questions. Each question is followed by four options lettered A to D. Find the correct option for each question and shade in pencil on your answer sheet the answer space which bears the same letter as the option you have chosen. Give only one answer to each question.

Question 1

The diagram below shows an empty plastic bottle closed with an airtight stopper being pushed down into a bucket filled with water. As the bottle is pushed down, it experienced an upward push. This upward push is called

Question 2

The diagram below shows an empty plastic bottle closed with an airtight stopper being pushed down into a bucket filled with water. As the bottle is pushed further down, it experiences an increasing upward push. This is because

Question 3

Which of the following is a biodegradable waste?

Question 4

Which of the following cells is likely to have the most mitochondria?

Question 5

An example of a root vegetable crop is

Question 6

Why are fossil fuels non-renewable despite still forming today?

Question 7

Substances which can be broken down biologically by bacteria are said to be

Question 8

The role decomposers play in the carbon cycle is that they

Question 9

Which of the following methods of controlling soil erosion is best suited for steep slopes?

Question 10

Which of the following processes is not a method of heat transfer?

Question 11

A 2 kg object is lifted vertically at a constant speed of 3 m/s for 5 s. The work done against gravity is

Question 12

Which of the following elements is a noble gas?

Question 13

The larval stage of mosquito is also called

Question 14

A poultry housing method where birds are raised on a floor covered with a thick layer of wood shavings or sawdust is called the

Question 15

The atomic number of an element is determined by the number of

Question 16

Which of the following devices is not a simple machine?

Question 17

The rhythmic contractions that move food through the digestive tract is called

Question 18

West African Dwarf (WAD) is a breed of

Question 19

Two balloons of same size were tied to one end of two glass tubes of same diameter. Water was poured to different heights in the two tubes. The results are shown in the diagram. The results show that the size of the bulge in the balloon

Question 20

Two balloons of same size were tied to one end of two glass tubes of same diameter. Water was poured to different heights in the two tubes. The results are shown in the diagram. The best explanation of the result is that the pressure exerted by water at the bottom of the container depends on the

Question 21

Chemical formula of a compound indicates the

Question 22

In man the organ that prevents food from entering the trachea during swallowing is

Question 23

Which of the following fertilizers is derived from animal waste and plant refuse?

Question 24

Alida runs her toy car on a dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be

Question 25

The sub-atomic particle with negligible mass is the

Question 26

The hygrometer is an instrument used in determining

Question 27

Which of the following devices converts sound energy to electrical energy?

Question 28

How many atoms are present in Ca(HCO₃)₂?

Question 29

Which of the following sequences show the correct order of increasing complexity of life?

Question 30

The main source of carbohydrates in livestock feed is

Question 31

When lightning and thunder take place, they

Question 32

Elements that could easily gain electrons to form anions are

Question 33

The disease in humans associated with insufficient intake of iodine is

Question 34

The key advantage of crop rotation is that it

Question 35

Which of the following heavenly body is not a member of the solar system?

Question 36

Rainbow is formed by

Question 37

Which of the following pairs of diseases are spread by houseflies?

Question 38

Leguminous crops are used in crop rotation to add

Question 39

Which of the following electronic components opposes changes in current in a circuit?

Question 40

The primary function of a transistor is to