Which of the following is responsible for giving colour to human skin?

• Luciferin

• Haemoglobin

• Flavonoids

• Melanin

Which of the following disease is non-communicable in nature?

• Chlorea

• Chicken-pox

• Tuberculosis

• Cancer

Which among the following does not have a cell wall?

• Euglena

• Paramecium

• Gonyaulax

• Mycoplasma

Which among the following is also called as 'powerhouse of the cell'?

• Plastids

• Mitochondria

• Golgibodies

• Cell wall

What is the role of Pneumatophores?

• Protect plant from animals

• Get oxygen for respiration

• Supports plant in standing upright

• Helps plant for pollination

Which component in tobacco makes it harmful for human consumption?

• Morphine

• Nicotine

• Heroin

• None 

What is the full form of BOD?

• Biological Oxygen Deficit

• Biological Oxygen Deficit

• Biological Oxygen Demand

• Biological Oxygen Distribution

Alveoli is related to which of the following system of human body?

• Circulatory System

• Excretory System

• Reproductive System

• Respiratory System

Which among the following is national water animal of India?

• Crocodile

• Turtle

• Alligator

• Gangetic Dolphin

What is study of fungus known as?

• Physiology

• Phrenology

• Mycology

• Biology