Q. The human heart is made up of how many chambers?
1) Only four
2) Only one
3) Only three
4) Only two
Q. Which of the following is an insectivorous plant?
1) Nyctanthes
2) Nelumbo
3) Nicotiana
4) Nepenthes
Q. Seaweeds are an important source of -
1) Iodine
2) Bromine
3) Chlorine
4) Argon
Q. The aquatic plant commonly used as biofertilizer in the water-logged rice field is -
1) Lemna
2) Azolla
3) Wolfia
4) Trapa
Q. Biological Oxygen Demand (BOD) is a standard criteria for -
1) Pollution assay in aquatic ecosystems
2) Assaying O2 level in high altitude regions
3) Measuring O2 level in blood
4) Computing O2 level in forest ecosystems
Q. Non-conventional energy sources are those energy sources, that are -
1) Non-renewable
2) Renewable
3) Produced from electricity
4) Produced from heat
Q. The Xylem in plants is responsible for transporting -
1) Water
2) Amino Acid
3) Oxygen
4) Food
Q. Which of the following factors is the most important factor for the loss of biodiversity?
1) Genetic assimilation
2) Control of predators
3) Destruction of natural habitat
4) Pest control
Q. Which of the following is the mRNA vaccine used against Covid-19 infection?
1) Sinovac
2) Moderna
3) Sputnik
4) Novavax
Q. Which type of vaccine protects against Diphtheria?
1) Toxoid
2) Live-attenuated
3) mRNA
4) Viral Vector
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