Biology Quiz - 3, General Knowledge - Railways MCQ

Norepinephrine increases

Night blindness is cause by lack of which vitamin?

Monocot root differs from dicot root in having

Radioactivity is a phenomenon of the spontaneous emission of

Organic Substances which, in very small amounts, control growth and development called

Our major foods, fibres, spices, fruits and beverage crops are

Outer covering of virus made up of protein is

Movements due to light are shown by

Radish is a

Most common disease of poultry in India is

Most abundant tissues of our body are

Mumps is a disease caused by

Rain water helps to increase the ____ to some extent.

Plants are killed in winter by frost

Number of chromosomes in Down's syndrome is

One of the following is most suitable for study of mutations

Pulses are a good source of

Oxygen in our blood is transported by a protein named

Nymph is the name of young one of

One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

Plants that grow under average temperature and moisture are called

Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?