STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

Keolado national park is situated at ______ and is famous for ______.

The science of naming the plant is known as

The living organisms can be unexceptionally distinguished from the non­living things on the basis of their ability for

A specimen of fungus is brought by a student for identification. Upon close examination, he discovered that its hyphae are completely septate and it has gills on the underside of the pileus. To which fungal group does it most likely belong?

Choose the correct one from given statements.
(i) Gametes can be flagellated and similar in size in Chlamydomonas.
(ii) Gametes can be flagellated, motile but dissimilar in size in Spirogyra.
(iii) In Chlamydomonas both isogamous and anisogamous reproduction occurs.
(iv) Fusion between one large, non-motile, static female gamete and a smaller, motile male gamete is termed oogamous.
(v) Oogamous reproduction occurs in Volvox. Fucus,

Rice, cereals, monocots and plants represent

Function of filiform apparatus is to

Statement I: Crossing over is non enzymatic process.
Statement II: The final stage of meiotic prophase I is diakinesis.

Why seed dormancy takes place?