Welcome to the comprehensive second-quarter multiple-choice examination reviewer designed to sharpen the skills and knowledge of students across grades 7 to 10. This meticulously crafted resource aims to provide a thorough understanding of the diverse subjects covered during this quarter.

This reviewer encompasses a wide array of subjects and topics that are fundamental to each grade level's curriculum. From the foundational concepts in mathematics to the intricacies of language arts, sciences, and social studies, this resource aims to aid students in reinforcing their understanding and mastering the essential concepts.

Science  7 Quarter 2 Examination Reviewer Part 1
Science  7 Quarter 2 Examination Reviewer Part 1


Choose the letter of the best answer in each questions.

1. What tool is used to help you see tiny objects and living organisms?

A. Goggles

B. Microscope

C. Stethoscope

D. Telescope

VIEW ANSWER

Option B


2. Who invented the first compound microscope?

A. Isaac Newton

B. Robert Hooke

C. Alexander Graham Bell

D. Hans & Zacharias Janssen

VIEW ANSWER

Option D


3. Which two parts of the light microscope magnify the image of an object?

A. Eyepiece & mirror

B. Eyepiece & objective

C. Objectives & mirror

D. Objectives & diaphragm

VIEW ANSWER

Option B


4. This is turned to bring the object being viewed closer.

A. cover slip

B.eyepiece lens

C. objective lens

D. fine adjustment

VIEW ANSWER

Option D


5. The lens that is within the eyepiece of the light microscope is called the __

A. ocular

B. scanning

C. low power

D. high power

VIEW ANSWER

Option A


6. When using the high-power objective, you should not adjust the ________.

A. diaphragm

B. stage clips

C. fine adjustment

D. coarse adjustment

VIEW ANSWER

Option D


7. The scanning, low, and high-power objectives are mounted on the______.

A. stage

B. eyepiece

C. body tube

D. revolving nosepiece

VIEW ANSWER

Option D


8. The heart pumps blood throughout the body. To which organ system does heart belongs?

A. Circulatory System

B. Digestive System

C. Excretory System

D. Nervous System

VIEW ANSWER

Option A


9. Oxygen is an important gas for organisms. Which organ system is oxygen processed?

A. Excretory System

B. Digestive System

C. Circulatory System

D. Respiratory System

VIEW ANSWER

Option D


10. Which of the following parts of plants are used for reproduction?

A. Flowers

B. Leaves

C. Roots

D. Stem

VIEW ANSWER

Option A


11. Which is NOT a part of the digestive system?

A. Esophagus

B. Intestines

C. Kidney

D. Mouth

VIEW ANSWER

Option C


12. Which of the following is NOT an organ of plants?

A. Heart

B. Stem

C. Leaves

D. Flowers

VIEW ANSWER

Option A


13. Which of the following organs is used for the transport of nutrients in plants?

A. Artery

B. Heart

C. Kidney

D. Stem

VIEW ANSWER

Option D


14. What plant part is responsible in transporting organic materials?

A. Roots

B. Stem

C. Leaves

D. Flowers

VIEW ANSWER

Option B


15. Which gas is released by humans during respiration?

A. Carbon Nitride

B.Carbon Dioxide

C. Carbon Trioxide

D. Carbon Monoxide

VIEW ANSWER

Option B


16. Which of the following does NOT belong to the sequence of the level of biological organization in an organism?

A. Cell

B. Organ

C. Tissue

D. biosphere

VIEW ANSWER

Option D


17. From the following statements below, how will you consider yourself as an organism?

I. My body is composed of different sets of organs.

II. My body is composed of cells which organs are made.

III. My body is composed of complete sets of organ systems.

A. I and II only

B. I and III only

C. II and III only

D. I, II and III only

VIEW ANSWER

Option D


18. Which of the following is not a level of biological organization?

A. organism

B. Population

C. cells

D. Abiotic

VIEW ANSWER

Option D


19. What is a cell?

A. A cell is small organ in the body.

B. A cell is a kind of micro-organism that infects the host’s body.

C. A cell is a microscopic organism that inhabits another organism’s body.

D. A cell is the smallest unit of an organism’s body that is capable of performing life function.

VIEW ANSWER

Option D


20. Which major part of a cell is composed of jelly-like substance of mainly water as well as substances like dissolved nutrients?

A. Nucleus

B. Nucleolus

C. Cytoplasm

D. Cell membrane

VIEW ANSWER

Option C