Pteropus ie. bats are included as mamalia but not aves. They fly using their fore limbs which are covered with a fold of skin Read More …
Author: Dr. Karuna Sharma
Ph.D. Environmental sciences, M.Sc. Zoology, Gold medalist, Goa University Topper. Conduct classes for NEET and NET Life Sciences
what is double fertilisation?
This happens in Angiosperms. The fertilisation in Angiosperms involves – fusion of one male nucleus with egg cell nucleus and this is called Syngamy. Read More …
what is Karyogamy?
Fusion of 2 Karyons or nuclei.
Differentiate between Protonema and Prothallus
Protonema Prothallus first stage in development of mosses and liverworts( bryophytes) gametophytes the gametophyte of pteridophytes thread like chain of cells heart shaped Read More …
What is pyrenoid?
Pyrenoid body is a protein body in the chloroplast of algae and hornworts that are involved in carbon fixation and starch formation.
One hot summer day, Rama was eating a watermelon she noticed that the watermelon did not have any seeds? Give Reason
Some fruits are formed without fertilisation thus the fruit is formed normally but ovules dont form seeds. This phenomenon is called Parthenocarpy and the Read More …
Reproduction in Flowering plants, chap 2 , Biology, Class XII, NCERT
Q.1. In certain plants fertilisation is not obligatory for fruit production. Give Reasons. A. 1.In certain plants fruits can be formed by parthenocarpy . Read More …
Reproduction in Organisms, Chapter One, NCERT , BIOLOGY, Class XII
Q. 1 What is Reproduction? A.1. Reproduction is defined as a biological process in which an organism gives rise to young ones (offspring) similar Read More …
NEET2018 BIOLOGY CODE SS & PP ANSWER KEY
neet 2018 answer key ss
NEET 2017 Physics Solutions Code D , LSc-100, Vasco Centre, Answer Key
NEET 2017 Physics Solution Code D