Q. Input and output nerves meet at -
1) heart
2) central nervous system
3) liver
4) None of the above
Q. Out of the total Oxygen present in the earth's atmosphere, the estimated production of oxygen by the Amazon forest through photosynthesis is -
1) 40 per cent
2) 50 per cent
3) 70 per cent
4) 20 per cent
Q. Which of the following do not grow in polluted areas?
1) Pseudomonas
2) Algae
3) Lichen
4) Gymnosperms
Q. Species of Plasmodium which causes Malignant Malaria -
1) Vivax
2) Falciparum
3) Ovale
4) Malarial
Q. Which one of the following diseases is not a bacterial disease?
1) Diphtheria
2) Plague
3) Pneumonia
4) Dengue
Q. The Red Blood cells of a person with Blood group 'O' contains Agglutinogen -
1) (A) and (B) both
2) Only(B)
3) Neither (A) nor (B)
4) Only (A)
Q. Choose the wrong statement regarding proteins -
1) We obtain proteins from both animals and plants
2) Proteins are made of amino acids
3) About 30 per cent of our body weight comes from proteins
4) Proteins are called building block of our body
Q. Which of the following are not the tastes of the tongue?
1. Sweet
2. Bitter
3. Salty
4. Spicy
5. Umami
6. Sour
7. Pungent
Select the correct answer using the codes given below.
1) 1, 3 and 4
2) 4 and 7
3) 3 and 6
4) 2, 5 and 7
Q. With reference to 'Biomes', consider the following statements -
1. Biomes are defined by genetic, taxonomic, or historical similarities.
2. Biomes are contiguous areas on Earth with similar climatic conditions.
Which of the statements given above is correct?
1) Only 1
2) Only 2
3) Both 1 and 2
4) Neither 1 nor 2
Q. Which of the following is not correct about the cell?
1. The shape and size of cells are related to specific functions.
2. Some cells have changing shapes.
3. Each cell has its ability to perform.
4. The same type of cells is present in all body tissues.
Select the correct answer using the code given below -
1) Only 1
2) Only 2 and 3
3) Only 4
4) Only 1 and 4
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