Which sense is weakest in the birds?
A) Taste B) Touch C) Smell D) Listen
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Seeds are developed from what?
A) Stomata B) Trunk C) Ovule D) All of these
Which is the largest animal in the world?
A) Shark B) Elephant C) Blue whale D) Giraffe
What does chlorophyll contain?
A) Aluminum B) Calcium C) Magnesium D) Potassium
The plants growing in very dry condition are called?
A) Geophytes B) Xerophytes C) Biophytes D) None of these
Which disease is wiped out from the world?
A) Polio B) Flue C) Smallpox D) Rickets
What is the name of Aids virus?
A) HV B) HIV C) HPV D) All of these
The main function of Ozone layer is to protect from?
A) Heat B) Sunlight C) UV rays D) None of these
Which rays cause skin cancer?
A) X-rays B) Gamma rays C) UV rays D) All of these
What is called the process to kill cancer cell by rays?
A) Physiotherapy B) Radiotherapy C) Chemotherapy D) None of these