Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Why is Carbon Monoxide a pollutant?
a. Reacts with haemoglobin
b. Makes nervous system inactive
c. It reacts with Oxygen
d. It inhibits glycolysis
Q. Which of the following is an emergency hormone in humans?
a. Thyroxine
b. Insulin
c. Adrenalin
d. Progestrone
Q. Webbed neck is a characteristic of –
a. Down's syndrome
b. Turner's syndrome
c. Klinefelter's syndrome
d. Cri-du-chat syndrome
Q. Compounds that are needed for enzymes to function properly are –
a. Steroids
b. Vitamins
c. Heavy metals
d. Buffers
Q. The tree popularly known as 'Green Gold', but which is an ecological disaster, is -
a. Banyan
b. Peepal
c. Eucalyptus
d. None of these
Q. People with Down's syndrome invariably affected by:
a. Huntington's disease
b. Alzheimer's disease
c. Meningitis
d. Brain haemorrhage
Q. Damping off of seedlings is caused by
a. Peronospola parasitica
b. Albugo Candida
c. Phytophthora infestans
d. Pythium debaryanum
Q. An eazyme produced by HIV that allows the integration of HIV DNA into the host cell's DNA is
a. Ligase
b. Integrase
c. Helicase
d. DNA gyrase
Q. The resources which are obtained from bio sphere and have life are –
a. Potential resources
b. Biotic resources
c. Abiatic resources
d. Renewable resources