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MODERN ENGLISH SCHOOL, RAVER, Second unit test 2021 — 2022, , Std: - 9" Marks: - 10, Sub: - Science — 2 Date:, Student’s Name: - Roll No :~, Q.1) A) Fill in the blanks . 2, , 1) 3:1 monohybrid :: 9:3:3:1 .., 2) 44 +X: Turner Syndrome : 44 + XXY =, , , , , , B ) Match the pair. 2, on tp, 1) Growth of pollen tube towards ovule a) Gravitropic movement, 2) Growth of shoot system. b) chemotropic movement, 3) Growth of root system . c) phototropic movement, 4) Growth towards water. 4d) Growth irrelevant movement, , e) Hydrotropic movement., , Q.2) Draw lable diagram of Nerve cell. 2, Q.3) Answer the following questions : (any-4) 4, 1) What is meant by Co-ordination ?, 2) What is meant by Chromosomes and write its name ?, , 3) Complete the table., Organism No. of chromosomal., , 1) Maize, 2) potato, 3) frog, 4) Human, , 4) Write full form of DNA and RNA. ?, , 5) Draw diagram of chromosome ?
