Explanation

• The brain, situated in the cranial cavity is an important internal organ.
• It is the control centre of our body.
• It controls the movements and all that we do.
• The brain is protected by the skull.

Explanation

Science is the systematic study of the nature and behavior of the material and physical universe, based on observation, experiment, and measurement, and the formulation of laws to describe these facts in general terms.

Explanation

Hepatitis is a disease of the liver, not the respiratory system.

Top Common diseases of the respiratory system include:

1. Asthma
2. Chronic obstructive pulmonary disease (COPD)
3. Pneumonia
4. Influenza (flu)
5. Tuberculosis (TB)
6. Bronchitis
7. Emphysema
8. Lung cancer
9. Cystic fibrosis
10. Pulmonary fibrosis

Explanation

• Vitamin A (specifically, retinal) is necessary for the formation of rhodopsin, a light-sensitive pigment in the retina of the eye.
• Rhodopsin is responsible for black-and-white vision and is found in the rod cells of the retina.
• Vitamin A deficiency can lead to night blindness, a condition where people have difficulty seeing in low light environments.

Explanation

A fasting blood sugar level of 99 mg/dL or lower is normal, 100 to 125 mg/dL indicates you have prediabetes, and 126 mg/dL or higher indicates you have diabetes

Explanation

• Coal, fossil fuels, crude oil, natural gas, etc are all hydrocarbon fuels.
• These are called as non-renewable source of energy because they take millions of years to regenerate themselves.
• Water energy is renewable because it is regenerated by water cycle.
• Also wind energy and solar energy are renewable sources of energy.

Explanation

• The cerebellum is a structure in the hindbrain.
• It coordinates movement, balance, and learning.

Explanation

• Secondary consumers are organisms that eat primary consumers for energy. 
• In the above options, only goat is a primary consumer.
• Primary consumers are herbivores, feeding on plants.
  

Explanation

The Indian Space Research Organization (ISRO)  is the national space agency of India.

Explanation

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy