Biology

Most common type of reproduction in animals? Option 1 : AsexualOption 2 : VegetativeOption 3 : SexualOption 4 : Gemmules formation

Adventitious buds arise from the notches present at margins of leaves in Option 1 : PotatoOption 2 : OffsetOption 3 : BryophyllumOption 4 : Turmeric

Identify the ploidy of the following parts of flowering plants.Ovary,Anther,Egg,Pollen, Male gamete and Zygote Option 1 : 2n, 2n, n, n, n, 2nOption 2 : 2n, 3n, n, n, 2n, 2nOption 3 : 2n, n, n, n, n, 2nOption 4 : 2n, 2n, n, 2n, n, 2n

Select the correct statement from the following. (A) In flowering plants, the zygote is formed inside the ovule.(B) In reptiles and birds, the fertilized eggs covered by hard calcareous shell (Cleidoic) are laid in a safe place in environment.(C) In organisms belonging to fungi and algae, the zygote develops a thick wall that is vulnerable

Find the chromosome numbers in gamete (n) of the following organisms respectively. Human, Housefly, Rat, Dog, Cat, Fruitfly, Apple, Rice, Maize, Potato, Butterfly, Onion Option 1 : 23, 12, 12, 39, 19, 6, 17, 12, 10, 24, 190, 16Option 2 : 23, 12, 21, 39, 19, 6, 17, 12, 20 24, 190, 16Option 3 :

Which of these statements is true about Chara? Option 1 : Chara belongs to angiosperm.Option 2 : Oogonium is placed in the lower part and antheridium in the upper part.Option 3 : Oogonium is placed in the upper part and antheridium in the lower part.Option 4 : Oogonium and antheridium are present on different plants.

The progenitor of the next generation inside the mature seed is known as Option 1 : MicropyleOption 2 : PericarpOption 3 : EmbryoOption 4 : Zygote

After fertilization in angiosperms, ovules develop into Option 1 : PericarpOption 2 : FruitOption 3 : SeedOption 4 : Embryo