In barley stem, vascular bundles are
[HDquiz quiz = “1965”] Barley (Hordeum vulgare) is a monocot plant belonging to the Family Poaceae. The vascular bundles are closed type as the cambium is […]
Botany
A water fem which is used as green manure in rice fields is:
[HDquiz quiz = “1962”] Azolla is a genus of aquatic fern. Azolla is also known as water fern, duckweed fern, or mosquito fern. Azolla belongs […]
Golden rice was created by transforming rice with two beta-carotene biosynthesis genes, namely,
[HDquiz quiz = “1958”] Golden Rice (Oryza sativa) is a rice variety produced by genetic engineering in which beta-carotene, the precursor molecule of vitamin A is synthesized. The genes incorporated […]
Growth of pollen tube towards embryo is:
The growth of pollen tubes in the embryo sac of plants is due to chemical signals. Chemotropism is the growth of structure in a living […]
A pair of insectivorous plants is:
The insectivorous plants are Nepenthes and bladderwort. Nepenthes (Nepenthes mirabilis) also known as tropical pitcher plants is a carnivorous plant belonging to the family Nepenthaceae […]
The endosperm in angiosperm develops from
In flowering plants, the endosperm is the tissue that produces as a result of double fertilization. The endosperm is formed when one of the sperm […]
Which one of the following is correctly matched pair of a certain plant family and its one example?
The family with the correctly matched plant is “Malvaceae – Cotton”. The cotton (Gossypium herbaceum) is a herbecious, perrinial flowering plant belonging to the family […]
Diatoms do not decay easily because
Diatoms are microscopic photosynthetic algae having a cell size range from 2 to 200 micrometers. One of the important characteristic features of diatoms is the […]
Chief totipotent cells in plants
The undifferentiated cells in plants are meristematic cells. Meristematic cells are chief totipotent cells present in plants that are capable of active cell division to […]
Protoplast lacks
The protoplasm is the living part of the cell that contains the cytoplasm and nucleus (nucleoplasm) nucleic acid, carbohydrates, proteins, other cellular organells and is surrounded by the cell […]