Question
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| Column A | Column B |
| (1) Use of measuring scale | (a) Record of primary growth |
| (2) Crescograph | (b) Increase in height of plant |
| (3) Auxanometer | (c) Measure growth in field |
| (4) Horizontal microscope | (d) Measurement of linear growth of shoot |
| Column A | Column B |
| (1) Frederick Griffith | (a) Test tube assay |
| (2) Avery, McCarty and MacLeod | (b) Streptococcus pneumoniae |
| (3) Alfred Hershey and Martha Chase | (c) E. coli |
| (4) Meselson and Stahl | (d) Bacteriophages |
| Column A (Adaptation) | Column B (Type of pollination) |
| (1) Sticky, spiny pollen grains non-fragrant flowers | (a) Anemophily |
| (2) Feathery stigma and versatile anther | (b) Chiropterophily |
| (3) Presence of nectar glands and sweet smell | (c) Ornithophily |
| (4) Dull coloured flowers with strong fragrance | (d) Entomophily |