Question

PARY D) cotyledons E) All of the above 23) Daring seed formation, the embryo grows by using the stored food in the A) soil B) seed coat C) endosperm 24) ln a Mendelian monohybrid cross, a trait that is masked in the FI generation but reappears.in.the.z E) allelic generation is called A) heteroaygous D) homozygous B) dominant C) recessive 25) Plants suach as sunflowers that track the course of the sun during the day are exhibiting D) gravitropism E) thigmotropism A) phototropism B) hydrotropism C) heliotropism 26) While movement of water and minerals through the xylem is driven by movement through the phloem is driven by A) negative pressures; positive turgor pressures B) positive pressures; negative turgor pressures C) positive pressures; positive turgor pressures D) negative pressures; negative turgor pressures during the day 27) Identify the monocot seedling. a) A b) в в Label the organs at the tip of the lines on the images (1 pt). What type of germmation patters each of the seedlings have? (0.5 pts) 28) The growth pattern of the seedling in the diagram is induced by treatment with increasing concentrations of А) auxin B) cytokinin C) ABA D) Ethylene E) GA How do we call this hormone action test? Explain what the name of the test means. (1 pt) 0.00 0.10 0.20

Answer 1

23. Answer - C. Endosperm

Embryo is the tissue found within the embryo sac inside the seed. The embryo uses endosperm for food. Endosperm also develop along with the embryo into one or two cotyledons.

24. Answer- C. Recessive

Recessive allele suppressed by dominant allele and masked in F1 generation and reappears in the F2 generation.

25. Answer - C. Heliotropism

26. Answer- A. Negative pressure and positive tougor pressure