Search found 10 matches

by sumita
Tue Sep 14, 2010 12:13 pm
Forum: Botany Discussion
Topic: fruits and vegetables
Replies: 2
Views: 3528

Fruits which don't have seeds can be grown with the help of other vegetative parts like roots, stems, leaves ,buds ,stolons etc. They can be grown by different methods of vegetative propagation like budding, cutting, air layering, grafting, using stolons,twin scaling etc. Otherwise, it can be grown ...
by sumita
Wed Sep 08, 2010 12:36 pm
Forum: Botany Discussion
Topic: Identifying a flowering tree/plant
Replies: 12
Views: 25782

This is a Castor plant (Ricinus communis).It is a native of Ethopian region of tropical East Africa but now it has become a weed of Southwestern United States.It belongs to the family Euphorbiaceae which is an economically important family of flowering plants. It is a plant which is generally grown ...
by sumita
Wed Sep 08, 2010 8:58 am
Forum: Microbiology
Topic: rhizobium
Replies: 5
Views: 4322

According to the Hawaii Institute of Tropical Agriculture and Human Resources journal series no.2965, Yeast-mannitol agar of pH-6 500 micrograms of streptomycin,400 micrograms of cyclohexamide,50 micrograms of benomyl or chlorothalonil per ml is the best selective media for rhizobium.
by sumita
Mon Sep 06, 2010 9:11 am
Forum: Microbiology
Topic: Boiling Water
Replies: 15
Views: 15711

Most Bacteria can be killed at 60c as most of them are Mesophiles.But some Bacteria are Thermophiles and the normal or the best temperature for their growth is 50c-60c. Thermophiles can even grow in boiling hot springs.
by sumita
Fri Sep 03, 2010 9:52 am
Forum: Botany Discussion
Topic: Pigment Composition of Hydrilla sp.
Replies: 5
Views: 4814

Approx. composition of pigments in chloroplast of hydrilla is 9.9mirogram per mg.
by sumita
Thu Sep 02, 2010 12:42 pm
Forum: Botany Discussion
Topic: Monocot vs Dicot
Replies: 2
Views: 31137

Difference between Monocots and Dicots,
Monocots have a single cotyledon,Dicots have two cotyledons
Leaves of Monocots have parallel veinations and leaves of Dicot have branched veinations.
Monocots have fibrous roots and Dicots have tap roots.
by sumita
Thu Sep 02, 2010 11:48 am
Forum: Botany Discussion
Topic: Kingdom Plante
Replies: 3
Views: 13727

Yes, Mosses come under the division Bryophytes.Bryophytes come under Sub-kingdom Cryptogamia (non-flowering plants) and they are non-vascular plants and have rhizoids instead of roots. Ferns come under the division Pteridophyta. Plant Kingdom is divided into Cryptogamia(non-flowering plants) and Pha...
by sumita
Thu Sep 02, 2010 10:26 am
Forum: Botany Discussion
Topic: what is flowers?
Replies: 8
Views: 8189

A flower is a reproductive part of a plant which produces the seeds.
by sumita
Mon Aug 30, 2010 11:36 am
Forum: Botany Discussion
Topic: Tree Identification
Replies: 5
Views: 3533

It looks like a catalpa tree of order Bignoniaceae is also called a cigar tree or bean tree.
by sumita
Fri Aug 27, 2010 10:33 am
Forum: Microbiology
Topic: fruit and acetic acid
Replies: 6
Views: 6165

Acetic Acid Bacteria or Acetobactor is the bacteria that changes fruit juices into Acetic Acid.