Which is the hardest substance in the human body?
(A) Kneecap
(B) Finger Nails
(C) Tooth Enamel
(D) Skull Bones
DNA is not present in -
(A) mature spermatozoa
(B) an enucleated ovum
(C) hair root
(D) mature RBCs
"B" represents the gene for brown coat colour and “b” represents the gene for white coat colour. In the cross BB x bb all the offsprings have a brown coat. Which genetic principle is illustrated by this cross?
(A) Multiple alleles
(B) Dominance
(C) Co-dominance
(D) Crossing-over
The Indian Space Research Organisation (ISRO) has successfully launched a record 104 satellites from which rocket vehicle?
(A) PSLV-C37
(B) PSLV-C35
(C) PSLV-C38
(D) PSLV-C36
How many carbon atoms are joined in buckminsterfullerene?
(A) 30
(B) 90
(C) 60
(D) 120
Which of the following gas is filled in flush bag of chips?
(A) Hydrogen
(B) Oxygen
(C) Nitrogen
(D) Helium
Sir Hughe Rose described whom as 'the best and bravest military leader of the rebel'?
(A) Kunwar Singh
(B) Rani Laxmi Bai
(C) Begum Hazrat Mahal
(D) Bahadur Shah Zafar
Governor General who started the policy of "Subsidiary Alliance"-
(A) Lord Dalhousie
(B) Lord Wellesly
(C) Lord Canning
(D) Lord Curzon
National Council of Science Museums (NCSM) has set up Science Centre in Udaipur, located in which state?
(A) Assam
(B) Tripura
(C) Arunachal Pradesh
(D) Jharkhand
Which of the following forests are often called the "Lungs of the Planet"?
(A) Tundra forest
(B) Taiga forest
(C) Monsoon forest
(D) Amazon rain forests
1. Amazon rain forests have also been called the lungs of planet Earth.
2. These rain forests of South America are the largest and have the highest diversity of tropical rain forests on our planet.
3. They provide 20% of the total oxygen of our planet.
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