Preparing for competitive exams becomes easier when your practice is smart and well structured General Science Mock Test 4 is designed to give you a clear idea of how questions are asked in real exams helping you build confidence from the very first attempt It is not just about solving questions but about understanding concepts the right way.

This mock test covers important topics from Physics, Chemistry and Biology that are frequently asked in SSC, RRB, MTS, GD and other competitive exams The questions are framed as per the latest exam trends keeping beginner level aspirants in mind Each section focuses on concept clarity accuracy and time management which are key to scoring better.

Whether you are starting your preparation or revising before the exam this General Science mock test works as a reliable practice tool Regular practice with such mock tests can significantly improve your performance across all competitive exams.

Q. What is a magnifying lens actually?

A) Concave lens
B) Convex lens
C) Plane mirror
D) Concave mirror

Answer: B) Convex lens

Q. What is a hologram?

A) Two-dimensional image
B) Ordinary photograph
C) Photographic record of a three-dimensional image
D) X-ray image

Answer: C

Q. Which disease is caused by the bite of the female Anopheles mosquito?

A) Dengue
B) Chikungunya
C) Malaria
D) Filariasis

Answer: C) Malaria

Q. Which radioactive isotope is used in the treatment of skin diseases?

A) Iodine
B) Cobalt
C) Radiophosphorus
D) Uranium

Answer: C) Radiophosphorus

Q. Why does the number of red blood cells increase in humans at very high altitudes?

A) Due to increase in temperature
B) Due to lack of oxygen
C) Due to excess food
D) Due to increase in pressure

Answer: B

Q. Who proposed the structure of DNA?

A) Mendel
B) Darwin
C) Watson and Crick
D) Harvey

Answer: C

Q. Who gave the ‘Theory of Evolution’?

A) Lamarck
B) Darwin
C) Mendel
D) Aristotle

Answer: B) Darwin

Q. Bleeding gums and loose teeth are caused by the deficiency of which vitamin?

A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

Answer: C

Q. What is most needed for the digestion of food in the stomach?

A) Hormones
B) Enzymes
C) Vitamins
D) Minerals

Answer: B) Enzymes

Q. Who discovered vitamins?

A) Louis Pasteur
B) Funk
C) Harvey
D) Jenner

Answer: B) Funk

Q. The vaccine developed by Edward Jenner was related to which disease?

A) Cholera
B) Smallpox
C) Polio
D) Tuberculosis

Answer: B) Smallpox

Q. What will be the effect on blood pressure if the radius of the blood vessels decreases?

A) It will decrease
B) It will increase
C) It will remain the same
D) It will cease

Answer: B) It will increase

Q. Which is the largest gland in the human body?

A) Pituitary
B) Thyroid
C) Liver
D) Pancreas

Answer: C) Liver

Q. What is the respiratory organ in a scorpion?

A) Trachea
B) Gills
C) Book lungs
D) Skin

Answer: C

Q. Which toxic heavy metal is used in modern tanning industries?

A) Zinc
B) Lead
C) Chromium
D) Copper

Answer: C) Chromium

Q. What is the color of the Bunsen flame with strontium salt?

A) Blue
B) Yellow
C) Green
D) Crimson red

Answer: D

Q. Why does a person feel weightless in an artificial satellite?

A) The gravitational force disappears
B) There is no air
C) ​​The centripetal force is equal to the gravitational force
D) The pressure is low

Answer: C

Q. What color does the sky appear to an astronaut?

A) Blue
B) Red
C) White
D) Black

Answer: D) Black

Q. Where is optical fiber used?

A) X-ray
B) ECG
C) Endoscopy
D) Ultrasound

Answer: C) Endoscopy

Q. Which cells are found in the largest number in the human body?

A) White blood cells
B) Platelets
C) Red blood cells
D) Nerve cells

Answer: C) Red blood cells

Q. In which organelle does the process of photosynthesis take place?

A) Mitochondria
B) Ribosome
C) Chloroplast
D) Nucleus

Answer: C) Chloroplast

Q. By what is oxygen transported in the human body?

A) Plasma
B) Hemoglobin
C) White blood cells
D) Platelets

Answer: B) Hemoglobin

Q. Which of the following acids is found in the stomach?

A) Sulfuric acid
B) Nitric acid
C) Hydrochloric acid
D) Acetic acid
Answer: C) Hydrochloric acid

Q. In which medium do sound waves travel fastest?

A) Gas
B) Liquid
C) Solid
D) Vacuum

Answer: C) Solid

Q. Which part of the human eye controls the amount of light entering it?

A) Cornea
B) Retina
C) Pupil
D) Lens

Answer: C) Pupil

Q. Which instrument is used to measure temperature?

A) Barometer
B) Thermometer
C) Hygrometer
D) Ammeter

Answer: B) Thermometer

Conclusion

In conclusion, practicing with General Science Mock Test 4 helps you strengthen your basics identify weak areas and improve overall exam readiness Consistent practice not only boosts confidence but also enhances speed and accuracy Make mock tests a regular part of your preparation to achieve better scores in all competitive exams.