Question

expelled.
SECTION - II
Note: 1. Answer all the questions,
8x1 = 8
2. Each question carries 1 mark.
13. Define synapse. 273
14. Write the phenotypic and genotypic ratios of monohybrid cross.
15. Write a few questions on disaster management to ask NDRF personnel.
16. Draw a rough sketch of bread mould you observed under microscope,
17.
Number
Type of teeth
Molars
3
Premolars
2.
Canines
Incisors
2​

Answer 1

Answer:

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Explanation:

wavelength of Kα X-rays for lead isotopes Pb208, Pb206 and Pb204 are λ1, λ2 and λ3 respectively. Then (A) λ2=√λ1λ3 (B) λ2=λ1+λ3