Pennatula is a genus of sea pen. Pennatula does not show metagenesis. Sea pens are colonial and are present in polyp forms. Cnidarians show two... View Article
Water is a natural resource and we cannot imagine our lives without it. Quite a few of our daily chores like drinking, cooking, bathing, washing,... View Article
a)Callose b)Pectose c)Sporopollenin d)Cellulose Answer: a) Callose Explanation: Callose is a plant polysaccharide. It forms a layer around... View Article
a) 70-80% b) 20-30% c) 40-50% d) 60-70% Answer: c) 40-50% Explanation: The average muscle mass of a human body is 40-50%. However, this... View Article
a) Watson and Crick, 1953 b) Hershey and Chase, 1952 c) Avery, McCarty and MacLeod, 1944 d) Griffith, 1928 Answer: a) Watson and Crick, 1953... View Article
A leaf, which bears spores is called sporophyll. The spores can be megasporophylls or microsporophylls. The sporophylls aggregate to form a... View Article
a) Salvia b) Helianthus c) Ranunculus d) Macadamia Answer: a)Â Salvia Explanation: The Salvia species has adapted to a special mechanism to... View Article
a) Mutation b) Crossing over c) Recombination d) None of the above Answer: b) Crossing over Explanation: Genes that are located on the same... View Article
a) Hypotonic solution b) Hypertonic Solution c) Isotonic solution d) None of the above Answer: b) Hypertonic Solution Explanation: If the... View Article
Snakes are a reptilian species that are often misunderstood. While the majority of the snake species are poisonous, some are not and here are... View Article
RNA synthesis usually occurs in the cells using DNA as a template in the presence of a certain set of enzymes. In 1955, a Spanish biochemist... View Article
A muscle cell is made up of a number of fibres known as muscle fibres. These muscle fibres have rod-like structures made up of a protein called... View Article
Biodiversity reflects the health of our planet Earth. It shows how well synchronised we are with other species and organisms. It is our duty to... View Article
a) Hemolymph b) Alimentary canal c) Both a and b d) None of the above Answer: a) Explanation: Malpighian tubules are thin, slender tubes... View Article
a) 2n, n, 2n b) 2n, n, n c) 2n, 2n, n d) 2n, 2n, 2n Answer: c) Explanation: Funaria is a moss belonging to the division bryophytes. Mosses... View Article
