Related Questions
What is the correct answer?
4
Who was the first scientist to use an instrument for biological studies in 1665?
What is the correct answer?
4
The plants will stop growing if the shoot tip is cut off because
A. shoot tip produces growth hormones
B. shoot tip contains meristematic cells
C. shoot tip is the growing part
What is the correct answer?
4
Which one of the following was probably absent in the atmosphere at the time of origin of life?
What is the correct answer?
4
Modern classification of the living world recognise ___________ kingdoms.
What is the correct answer?
4
One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children.
What is the correct answer?
4
The primary energy for living organisms is
What is the correct answer?
4
The animal that excretes uric acid
What is the correct answer?
4
The specific gravity of blood is
D. many times that of water
What is the correct answer?
4
Maize is attacked by
What is the correct answer?
4
The human heart is
What is the correct answer?
4
The workers in the honey bee colony are
What is the correct answer?
4
The protein synthesis takes place in
What is the correct answer?
4
The hormone secreted when one is frightened or excited
What is the correct answer?
4
Vessels proceeding to the heart are
What is the correct answer?
4
The development of new organs is termed
What is the correct answer?
4
If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?
What is the correct answer?
4
Malaria is transmitted from one person to another by
What is the correct answer?
4
Desert plants are called
What is the correct answer?
4
Sleeping sickness in man is caused by the organism
What is the correct answer?
4
Who discovered the electron microscope?
What is the correct answer?
4
Dr Khorana's work relates to
A. synthesis of simple DNA
D. synthesis of RNA from bacterial cell
What is the correct answer?
4
The animal without urinary bladder is
What is the correct answer?
4
The endocrine glands secrete
What is the correct answer?
4
Vitamin D is manufactured in a healthy human being by the action of _______ on the skin and absorbed in the blood stream.
What is the correct answer?
4
The external ears of man are intended for
B. scattering sound waves
What is the correct answer?
4
The rate of heartbeat is accelerated by the hormone
What is the correct answer?
4
Plant diseases are spread by
What is the correct answer?
4
A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In
What is the correct answer?
4
The artificial kidney is a
D. other kidney form same body
What is the correct answer?
4
Which of the following is a good and rich source of vitamin 'C'?