GENERAL SCIENCE CLASS 8 MCQS

Respiration is an involuntary process in _____ way:

1. When voluntary respiration is not possible
2. When voluntary respiration is possible
3. Both A and B
4. None

The main excretory organ is:

1. Liver
2. Skin
3. Kidney
4. Lungs

The renal artery transports blood to the:

1. Kidneys
2. Lungs
3. Liver
4. Skin

Replacement of malfunctioning organ by a healthy organ is called:

1. Transformation
2. Transplantation
3. Translocation
4. Transpiration

The artificial kidney machine is called:

1. Hemodialysis
2. Nephroscopy
3. Renal lithotripsy
4. Dialysis machine

Forebrain is also known as:

1. Brainstem
2. Cerebellum
3. Cerebrum
4. Medulla oblongata

A Barometer is device used to measure:

1. Humidity
2. Atmospheric Pressure
3. Room Temperature
4. Salt in sea water

The multiplication of new cells takes place by a process known as:

1. Cell Division
2. Cell Growth
3. Cell Differentiation
4. Cell Specialization

The nucleus contains a hereditary material called:

1. Mitochondria
2. Chromosomes
3. Ribosomes
4. Lysosomes

Which takes place when sex cells are divided and gametes are formed during the process of reproduction in humans:

1. Mitosis
2. Respiration
3. Meiosis
4. Photosynthesis