To find out if light is necessary for photosynthesis​

yes

Explanation:

light is main source of energy for photosynthesis to take place

if you recall photosynthesis cannot take place without light

even in dark reaction , light reaction has to produce ATP and reduced NADH which dark reaction will use .

yes

Explanation:

Starch is present in the exposed leaf. Conclusion- Leaf exposed to sunlight give iodine test, proving that sunlight is necessary for photosynthesis.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.