Every Day Science

MCQs on everyday science for the screening test for CSS, MPT, MPS and FPSC.

Practice questions

The basic structural and functional unit of life is:
- Tissue
- Organ
- Cell
- Nucleus
The powerhouse of the cell is the:
- Nucleus
- Ribosome
- Mitochondrion
- Golgi apparatus
The control center of the cell is the:
- Cell membrane
- Cytoplasm
- Nucleus
- Vacuole
Which organelle is known as the site of protein synthesis?
- Lysosome
- Ribosome
- Mitochondrion
- Chloroplast
Photosynthesis takes place in the:
- Mitochondria
- Chloroplast
- Ribosome
- Nucleus
The green pigment responsible for photosynthesis is:
- Hemoglobin
- Melanin
- Chlorophyll
- Keratin
Which gas is released during photosynthesis?
- Nitrogen
- Carbon dioxide
- Oxygen
- Hydrogen
The largest organ of the human body is the:
- Liver
- Brain
- Skin
- Heart
The largest internal organ of the human body is the:
- Brain
- Liver
- Lungs
- Kidney
Which organ pumps blood throughout the human body?
- Kidney
- Liver
- Heart
- Lungs
Normal human body temperature is approximately:
- 35°C
- 36°C
- 37°C
- 38°C
The largest gland in the human body is the:
- Thyroid
- Pituitary
- Liver
- Pancreas
Which blood cells help in fighting infections?
- Red blood cells
- White blood cells
- Platelets
- Plasma
Red blood cells contain:
- Melanin
- Hemoglobin
- Insulin
- Plasma
Blood clotting is mainly carried out by:
- Red blood cells
- White blood cells
- Platelets
- Plasma
Diabetes mellitus is primarily caused by deficiency of:
- Adrenaline
- Insulin
- Thyroxine
- Estrogen
Which vitamin is produced in the skin by sunlight?
- Vitamin A
- Vitamin B₁₂
- Vitamin C
- Vitamin D
Which vitamin deficiency causes scurvy?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin K
Which vitamin deficiency causes rickets in children?
- Vitamin A
- Vitamin C
- Vitamin D
- Vitamin E
The functional unit of the kidney is:
- Neuron
- Nephron
- Alveolus
- Villus
The hereditary material present in living organisms is:
- RNA
- Protein
- DNA
- Enzyme
The father of Genetics is:
- Charles Darwin
- Louis Pasteur
- Gregor Mendel
- Robert Hooke
Which branch of biology deals with heredity and variation?
- Ecology
- Genetics
- Anatomy
- Taxonomy
Biotechnology primarily involves:
- Study of stars
- Application of living organisms and biological systems for useful purposes
- Study of earthquakes
- Weather forecasting
Which scientist developed the first successful vaccine against smallpox?
- Alexander Fleming
- Edward Jenner
- Louis Pasteur
- Robert Koch