Q. Which of the following pairs is/ are matched correctly in relation to disease and its causative organism?
I. Cholera - Bacteria
II. Measles - Virus
III. Malaria - Parasite
IV. Marasmus - Nutritional Deficiency
Correct code is -
1) Only I
2) Only II and IV
3) Only III and IV
4) I, II, III and IV
Q. All the mixtures containing a solid and a liquid can be separated by -
I. Centrifugation
II. Evaporation
III. Crystalisation
IV. Chromatography
Correct code is -
1) Only I
2) Only II and III
3) I, II, III and IV
4) Only III and IV
Q. Which of the following is not a characteristic of a physical change?
1) It is a temporary change
2) It is usually an irreversible change
3) Very little heat (or light) energy is usually absorbed or given out
4) The mass of a substance does not alter in a physical change
Q. Sound cannot travel through -
1) Solids
2) Liquids
3) Gases
4) Vaccum
Q. What is the correct ascending order of the following substances in relation to their density (kg/ m3)?
1) Aluminium, Iron, Mercury, Gold
2) Gold, Iron, Aluminium, Mercury
3) Mercury, Iron, Gold, Aluminium
4) Iron, Gold, Mercury, Aluminium
Q. Which of the following phytohormones are involved in the control and coordination in plants?
I. Auxins
II. Abscisic Acid (ABA)
III. Cytokinins
IV. Gibbellins
Correct code is -
1) All I, II, III and IV
2) Only I, II and III
3) Only II, III and IV
4) Only I and IV
Q. The plants coordinate their behavior against environmental change by using -
1) Nutrients present among them
2) Nervous System
3) Hormones
4) Water contents present among them
Q. The proportion of ........ in the inhaled air and exhaled air remains same.
1) Oxygen
2) Nitrogen
3) Carbon dioxide
4) Water Vapour
Q. Which of the following ingredients is necessary for Photosynthesis?
I. Sunlight II. ChlorophyII
III. Carbon dioxide IV. Water
Correct code is -
1) Only I and II
2) Only II
3) Only I, II and IV
4) All I, II, III and IV
Q. Which country's contingent took part in Republic Day Parade on January 26, 2021?
1) Bangladesh
2) Nepal
3) Saudi Arabia
4) UAE
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