Answers to biology questions asked on 01/08/13

1) What is S.R. Kashyap is well known for?
[asked by: Gaurang Saxena]

neetpcb Answer: S.R.Kashyap is a well known bryologist.

2) What are 'botanical snakes'?
[asked by: Adrija Rakshit]

neetpcb Answer: Pteridophytes are known as botanical snakes.

3) Define Keratin. What is its principal function?
[asked by: Akash Raj]

neetpb Answer: Keratin is an insoluble protein that forms the major component of the outer layer of epidermis. It forms epidermis of skin in terrestrial vertebrates. It prevents loss of water and mechanical injur.

4) What are ribozymes?
[asked by: Shauvick Das]

neetpcb Answer: RNA molecules that act as enzymes are called ribozymes. They catalyse synthesis of RNAs: rRNA, tRNA, mRNA and removal of introns from mRNA

Answers to biology questions asked on 31/07/13

1) What is the meaning of dentification?
[asked by: Shriraj Malhotra]

neetpcb Answer: Identification means assigning an organism to a particular taxonomic group.

2) What was the name of Linnaeus' classification system?
[asked by: Rohit Sharma]

neetpcb Answer: Binomial system of nomenclature.

3) How is wheat classified?
[asked by: Neeraj Patil]

neetpcb answer: Wheat is clasified in the division Angiospremae, class Monocotyledonae, order Poales, family Poacae.

Answers to biology questions asked on 30/07/13

1) What is ektexine?
[asked by: Deep Saxena]

neetpcb Answer: Ektexine is the outermost layer, a sublayer of the exine which bears the characteristic external features of pollens like ridges.

2) Name a plant that shows all the five types of tetrads.
[asked by: Sikha Paul]

neetpcb Answer: In Aristolochis elegans, all the five types of tetrads, namely tetrahedral, isobilateral, decussate, linear and T-shaped, have been found.