Free Biological Testing Photos

Photos26.6K Videos5.8K Users600

Free Gloved hands injecting a tomato with a syringe, symbolizing biotechnology and genetic modification. Stock Photo

Free Close-up of hands in gloves using syringe in laboratory setting. Stock Photo

Free Close-up of scientist holding test tube and swab in laboratory setting, highlighting COVID-19 research. Stock Photo

Free Person with gloves injecting apple, symbolizing healthcare experimentation. Stock Photo

Free Detailed view of a laboratory microscope focusing on lens and optical components. Stock Photo

Free A vibrant science experiment involving colorful liquids in test tubes and a flask. Stock Photo

Free Blood samples in a lab, ready for testing and research. Organized for efficient processing. Stock Photo

Free A confident female scientist in a lab coat smiling, working in an indoor laboratory environment. Stock Photo

Free Two scientists in a laboratory wearing masks, discussing research with a microscope. Stock Photo

Free Female lab technician working with samples in a sterile laboratory environment. Stock Photo

Free Researchers in PPE examining samples with a microscope in a laboratory setting. Stock Photo

Free Gloved hands holding a Covid-19 blood test sample tube, medical research concept. Stock Photo

Free Top view of a laboratory setup with various scientific tools and substances, featuring researchers in lab coats. Stock Photo

Free Top view of blood sample tubes in a laboratory centrifuge, essential for medical research. Stock Photo

Free Clear laboratory test tubes with blue caps arranged on a blue background. Stock Photo

Free Vertical shot of a microtitration plate with red samples in a research lab. Stock Photo

Free Close-up of COVID-19 blood test tubes on a blue background in a studio setup. Stock Photo

Free Close-up view of a scientist examining a specimen under a microscope in a laboratory. Stock Photo

Free High magnification view of colorful cells under a microscope showcasing diversity in biology. Stock Photo

Free A female scientist examines a sample using a microscope in a laboratory setting. Stock Photo

Free Close-up of gloved hands holding a petri dish for laboratory analysis. Stock Photo

Free A female scientist seen from behind working in a modern laboratory setting. Stock Photo

Free Scientist in blue gloves handling lab equipment and samples. Stock Photo

Free A modern laboratory setup with test tubes containing red liquid, ideal for science and research themes. Stock Photo

Free Gloved hands injecting a tomato with a syringe, symbolizing biotechnology and genetic modification. Stock Photo

Free Close-up of hands in gloves using syringe in laboratory setting. Stock Photo

Free Close-up of scientist holding test tube and swab in laboratory setting, highlighting COVID-19 research. Stock Photo

Free Person with gloves injecting apple, symbolizing healthcare experimentation. Stock Photo

Free Detailed view of a laboratory microscope focusing on lens and optical components. Stock Photo

Free A vibrant science experiment involving colorful liquids in test tubes and a flask. Stock Photo

Free Blood samples in a lab, ready for testing and research. Organized for efficient processing. Stock Photo

Free A confident female scientist in a lab coat smiling, working in an indoor laboratory environment. Stock Photo

Free Two scientists in a laboratory wearing masks, discussing research with a microscope. Stock Photo

Free Female lab technician working with samples in a sterile laboratory environment. Stock Photo

Free Researchers in PPE examining samples with a microscope in a laboratory setting. Stock Photo

Free Gloved hands holding a Covid-19 blood test sample tube, medical research concept. Stock Photo

Free Top view of a laboratory setup with various scientific tools and substances, featuring researchers in lab coats. Stock Photo

Free Top view of blood sample tubes in a laboratory centrifuge, essential for medical research. Stock Photo

Free Clear laboratory test tubes with blue caps arranged on a blue background. Stock Photo

Free Vertical shot of a microtitration plate with red samples in a research lab. Stock Photo

Free Close-up of COVID-19 blood test tubes on a blue background in a studio setup. Stock Photo

Free Close-up view of a scientist examining a specimen under a microscope in a laboratory. Stock Photo

Free High magnification view of colorful cells under a microscope showcasing diversity in biology. Stock Photo

Free A female scientist examines a sample using a microscope in a laboratory setting. Stock Photo

Free Close-up of gloved hands holding a petri dish for laboratory analysis. Stock Photo

Free A female scientist seen from behind working in a modern laboratory setting. Stock Photo

Free Scientist in blue gloves handling lab equipment and samples. Stock Photo

Free A modern laboratory setup with test tubes containing red liquid, ideal for science and research themes. Stock Photo

Free Gloved hands injecting a tomato with a syringe, symbolizing biotechnology and genetic modification. Stock Photo

Free Vertical shot of a microtitration plate with red samples in a research lab. Stock Photo

Free Person with gloves injecting apple, symbolizing healthcare experimentation. Stock Photo

Free Detailed view of a laboratory microscope focusing on lens and optical components. Stock Photo

Free Blood samples in a lab, ready for testing and research. Organized for efficient processing. Stock Photo

Free A female scientist seen from behind working in a modern laboratory setting. Stock Photo

Free Scientist in blue gloves handling lab equipment and samples. Stock Photo

Free Researchers in PPE examining samples with a microscope in a laboratory setting. Stock Photo

Free Top view of a laboratory setup with various scientific tools and substances, featuring researchers in lab coats. Stock Photo

Free Clear laboratory test tubes with blue caps arranged on a blue background. Stock Photo

Free Close-up of scientist holding test tube and swab in laboratory setting, highlighting COVID-19 research. Stock Photo

Free Close-up view of a scientist examining a specimen under a microscope in a laboratory. Stock Photo

Free High magnification view of colorful cells under a microscope showcasing diversity in biology. Stock Photo

Free A vibrant science experiment involving colorful liquids in test tubes and a flask. Stock Photo

Free Close-up of gloved hands holding a petri dish for laboratory analysis. Stock Photo

Free Two scientists in a laboratory wearing masks, discussing research with a microscope. Stock Photo

Free A modern laboratory setup with test tubes containing red liquid, ideal for science and research themes. Stock Photo

Free Top view of blood sample tubes in a laboratory centrifuge, essential for medical research. Stock Photo

Free Close-up of hands in gloves using syringe in laboratory setting. Stock Photo

Free Close-up of COVID-19 blood test tubes on a blue background in a studio setup. Stock Photo

Free A female scientist examines a sample using a microscope in a laboratory setting. Stock Photo

Free A confident female scientist in a lab coat smiling, working in an indoor laboratory environment. Stock Photo

Free Female lab technician working with samples in a sterile laboratory environment. Stock Photo

Free Gloved hands holding a Covid-19 blood test sample tube, medical research concept. Stock Photo

Free Gloved hands injecting a tomato with a syringe, symbolizing biotechnology and genetic modification. Stock Photo

Free Vertical shot of a microtitration plate with red samples in a research lab. Stock Photo

Free Person with gloves injecting apple, symbolizing healthcare experimentation. Stock Photo

Free Detailed view of a laboratory microscope focusing on lens and optical components. Stock Photo

Free Blood samples in a lab, ready for testing and research. Organized for efficient processing. Stock Photo

Free A female scientist seen from behind working in a modern laboratory setting. Stock Photo

Free Scientist in blue gloves handling lab equipment and samples. Stock Photo

Free Researchers in PPE examining samples with a microscope in a laboratory setting. Stock Photo

Free Top view of a laboratory setup with various scientific tools and substances, featuring researchers in lab coats. Stock Photo

Free Clear laboratory test tubes with blue caps arranged on a blue background. Stock Photo

Free Close-up of scientist holding test tube and swab in laboratory setting, highlighting COVID-19 research. Stock Photo

Free Close-up view of a scientist examining a specimen under a microscope in a laboratory. Stock Photo

Free High magnification view of colorful cells under a microscope showcasing diversity in biology. Stock Photo

Free A vibrant science experiment involving colorful liquids in test tubes and a flask. Stock Photo

Free Close-up of gloved hands holding a petri dish for laboratory analysis. Stock Photo

Free Two scientists in a laboratory wearing masks, discussing research with a microscope. Stock Photo

Free A modern laboratory setup with test tubes containing red liquid, ideal for science and research themes. Stock Photo

Free Top view of blood sample tubes in a laboratory centrifuge, essential for medical research. Stock Photo

Free Close-up of hands in gloves using syringe in laboratory setting. Stock Photo

Free Close-up of COVID-19 blood test tubes on a blue background in a studio setup. Stock Photo

Free A female scientist examines a sample using a microscope in a laboratory setting. Stock Photo

Free A confident female scientist in a lab coat smiling, working in an indoor laboratory environment. Stock Photo

Free Female lab technician working with samples in a sterile laboratory environment. Stock Photo

Free Gloved hands holding a Covid-19 blood test sample tube, medical research concept. Stock Photo

Previous 1 2 3 4 5 6 Next

Where stories come together.

Download on iOSiOS Download on AndroidAndroid

Pexels

Free Stock Photos
Free Videos
Popular searches
Collections
Challenges
Leaderboard
Other plugins & apps

Company

About
Blog
Help Center
Report content
Become a Hero
Partner with Pexels
Image & Video API

Free Stock Photos
Black and white photography Happy birthday images Free business videos Happy new year images Cool wallpapers Best HD wallpapers Galaxy wallpaper Lock screen wallpaper iPhone wallpaper 4K wallpaper Samsung wallpaper Love wallpaper Mobile wallpaper

© 2025 Pexels

Terms of Use Privacy Policy License Imprint Cookies Policy