Question
| Column ‘A’ | Column ‘B’ |
| (1) Diamond (2) Fullerenes (3) Graphite | (a) Hexagonal layered structure (b) Tetragonal three-dimensional structure (c) Geodesic dome |
| Column ‘A’ | Column ‘B’ |
| (1) Diamond (2) Fullerenes (3) Graphite | (a) Hexagonal layered structure (b) Tetragonal three-dimensional structure (c) Geodesic dome |
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| Column ‘A’ | Column ‘B’ |
| (1) Mining waste | (a) Leaves, flowers, crop residue. |
| (2) Electronic waste | (b) Remains of heavy metals like lead, arsenic, cadmium. |
| (3) Farm waste | (c) Strontium-10, Cerium-141, Barium-140 |
| (4) Radioactive waste | (d) Cell phones, TV sets, Computers |
| Column ‘A’ | Column ‘B’ |
| (1) Peat (2) Lignite (3) Bituminous (4) Anthracite | (a) 60-70% of Carbon (b) 95% of Carbon (c) less than 60% of Carbon (d) 70 – 90% of Carbon |
| Column ‘A’ | Column ‘B’ |
| Element | Atomic mass |
| (1) Neon | (a) 35.5 |
| (2) Silicon | (b) 32 |
| (3) Chlorine | (c) 28 |
| (4) Sulphur | (d) 20 |
| Column ‘A’ | Column ‘B’ |
| (1) Cerebrum | (a) Control of involuntary activities |
| (2) Cerebelleum | (b) Decision – making, memory and intellectual activities. |
| (3) Medulla oblongata | (c) Centre for coordination of reflex actions |
| (4) Spinal cord | (d) Maintaining body’s balance |
| Column ‘A’ | Column ‘B’ |
| (1) Harmful waste | (a) Glass, rubber, carry bags, etc. |
| (2) Domestic waste | (b) Chemicals, pigments, ash, etc. |
| (3) Biomedical waste | (c) Radioactive material |
| (4) Industrial waste | (d) Left over food, vegetables, peelings |
| (5) Urban waste | (e) Bandages, cotton, needles, etc. |
| Column A’ | Column ‘B’ |
| Example | Atomic radius (in metres) |
| (1) Water molecule (2) Haemoglobin molecule (3) Hydrogen atom |
(a) $10^{-10}$ (b) $10^{-9}$ (c) $10^{-8}$ |
| Column ‘A’ | Column ‘B’ |
| (1) Leprosy | (a) Virus |
| (2) Ringworm | (b) Fungi |
| (3) Influenza | (c) Protozoa |
| (4) Malaria | (d) Bacteria |
| Column ‘A’ | Column B’ | Column C |
| (1) Transverse wave | (a) Particles oscillate parallel to direction of propagation | (i) Wave produced in a slinky |
| (2) Longitudinal wave | (b) Particles oscillate perpendicular to direction of propagation | (ii) Frequency less than 20 Hz |
| 3) Ultrasound | (c) Echo formation is heard under particular conditions | (iii) Wave produced in string |
| (4) Infrasound | (d) High frequency waves | (iv) Frequency between 20 Hz to 20000 Hz |
| (5) Audible frequency | (e) Low frequency waves | (v) Frequency greater than 20000 Hz |