Question
| Column ‘A’ | Column ‘B’ |
| (1) Plane mirror | (a) Virtual and diminished image |
| (2) Concave mirror | (b) Virtual and same size image |
| (3) Convex mirror | (c) Real and inverted image |
| Column ‘A’ | Column ‘B’ |
| (1) Plane mirror | (a) Virtual and diminished image |
| (2) Concave mirror | (b) Virtual and same size image |
| (3) Convex mirror | (c) Real and inverted image |
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| Column ‘A’ | Column ‘B’ |
| (1) X-rays | (a) GMRT |
| (2) Optical telescope | (b) ISRO |
| (3) Indian radio telescope | (c) Hubble |
| (4) Launching artificial-satellite | (d) Chandra |
| Column ‘A’ | Column ‘B’ |
| (1) Plane mirror | (a) Rear view mirror |
| (2) Concave mirror | (b) At laughing gallery |
| (3) Convex mirror | (c) At a hair dresser |
| (4) Irregular curved mirror | (d) At a dentist |
| 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) Yellow and rinkled | (a) yyrr |
| (2) Green and round | (b) YyRr |
| (3) Yellow and round | (c) YYrr |
| (4) Green and wrinkled | (d) yyRr |
| Column A’ | Column ‘B’ | Column C |
| (1) Amplitude | (a) T | (i) Pitch of sound |
| (2) Frequency | (b) A | (ii) Loudness of sound |
| (3) Wavelength | (c) υ | (iii) Reciprocal of frequency |
| (4) Time period | (d) λ | (iv) v/υ |
a. Hereditary characters are transferred from parents to offsprings by …………………………….., hence they are said to be structural and functional units of heredity.
b. Organisms produced by …………………………….. show minor variations.
c. The component which is in the nuclei of cells and carries the hereditary characteristics is called ……………………………..
d. Chromosomes are mainly made up of ……………………………..
e. Organisms produced through …………………………….. show major variations.
| Column ‘A | Column ‘B’ |
| (1) Water gas(2) Methane gas(3) Producer gas(4) Carbon dioxide gas | (a) CH4(b) CO + H2(c) CO2(d) CO + H2 + CO2 + N2 |
| 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’ |
| (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 |