In the primitive atmosphere which was not available in free state?
In the primitive atmosphere which was not available in free state? Options (a) CH₄ (b) H₂ (c) O₂ (d) H₂O…
In the primitive atmosphere which was not available in free state? Options (a) CH₄ (b) H₂ (c) O₂ (d) H₂O…
Institute of paleobotany is situated at Options (a) Delhi (b) Allahabad (c) Lucknow (d) Aurangabad Correct Answer: Lucknow Explanation: The…
Organic evolution is Options (a) continuous process (b) discontinuous process (c) initially discontinuous, now continuous (d) initially continuous, now discontinuous…
The pollutants released by jet planes are Options (a) fogs (b) smogs (c) colloides (d) aerosols Correct Answer: aerosols Explanation:…
The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen, approximately by…
Which of the following sets of cell organelles contains DNA? Options (a) nucleus,ribosomes and chloroplasts (b) nucleus,ribosomes and mitochondria (c)…
C₄ plants have an advantage over C₃ plants when the weather is Options (a) only hot (b) hot and dry…
Broca's area in human brain controls Options (a) Movement of tongue (b) breathing and hiccup (c) Movement of vocal chords…
Emasculation is achieved by the removal of Options (a) entire gynoecium (b) stigma (c) anthers (d) petals and sepals Correct…
2,4-D is an effective Options (a) fungicide (b) rodenticide (c) weedicide (d) wormicide Correct Answer: weedicideExplanation:No explanation available. Be the…