Which one of the following does not represent the salt, calcium carbonate? 1) Lime water 2) Limestone 3) Chalk 4) Marble

Who among the following popularised the use of embryological characters in taxonomy? 1) Carl Linnaeus 2) Panchanan Maheshwari 3) Birbal Sahni 4) Bentham and Hooker

Mitochondria are able to produce their own______. 1) Nucleus 2) Proteins 3) Chloroplasts 4) Digestive enzymes

Blood is a type of 1) Epithelial tissue 2) Mascular tissue 3) Nervous tissue 4) Connective tissue

Which one of the following is not a monoatomic element? 1) Copper 2) Helium 3) Iodine 4) Barium

Which one of the following is the major constituent of biogas? 1) Carbon dioxide 2) Nitrous oxide 3) Methane 4) Oxygen

Thyroid gland produces a hormone called “Thyroxine” which_________. 1) controls blood glucose levels 2) controls ovulation. 3) controls metabolic rate 4) maintains pregnancy

Which one of the following statements regarding viruses is not true? 1) Viruses need living cells to reproduce 2) All viruses are parasites 3) Viruses can synthesize their food through photosynthesis ...

Which one of the following is a bacterium that causes disease in the human body? 1) Varicella zoster 2) Trypanosoma gambiense 3) Salmonella typhi 4) Plasmodium falciparum

Which one of the following diseases may be caused by the deficiency of vitamin C? 1) Rickets 2) Rabies 3) Hepatitis 4) Scurvy