Which one of the following is vestigial organ in human beings
Which one of the following is vestigial organ in human beings Options (a) nictitating membrane (b) spleen (c) femur (d)…
Which one of the following is vestigial organ in human beings Options (a) nictitating membrane (b) spleen (c) femur (d)…
Who coined the term 'Homo sapiens'? Options (a) Charles Darwin (b) Lamarck (c) Carolus Linnaeus (d) Lederberg Correct Answer: Carolus…
Wings of birds and forelimbs of horse are ___ organs Options (a) analogous (b) homologus (c) vestigial (d) none of…
In Minamata Bay Japan, the animals which remained free from Minamata disease, are Options (a) pigs (b) dogs (c) rabbits…
Maximum ozone depletion is caused by Options (a) CO₂ (b) SO₂ (c) CFC (d) CH₄ Correct Answer: CFCExplanation:No explanation available.…
Minamata disease first occurred in Options (a) Japan (b) China (c) Korea (d) Russia Correct Answer: JapanExplanation:Mercury (mercuric chloride) enters…
Nuclear reactor malfunction in any country is a cause of concern for Options (a) the reactor's employees and neighbours (b)…
Oxides of nitrogen combine to form Options (a) photochemical smog (b) ozone (c) smoke (d) particulate matter Correct Answer: photochemical…
Ozone prevents the entry of Options (a) infrared rays (b) visible rays (c) UV rays (d) X-rays Correct Answer: UV…
Ozons (O₃) layer in stratosphere is effected by Options (a) CFC (b) excess of CO (c) excess of CO₂ (d)…