Biological names are generally derived from which language?
Latin
Biological (scientific) names follow binomial nomenclature introduced by Carl Linnaeus, and are written in Latin or are Latinised.
Latin is preferred because it is a stable, non-evolving ("dead") language — meanings do not drift over time — and it was the universal language of European scholarship when the system was formalised. This ensures uniform identification of species worldwide.
What happens to the guard cells when water flows into them?
Select the correct option about Kwashiorkor.
Statement A: It is a form of malnutrition caused by a lack of fat in the diet.
Statement B: Children who develop Kwashiorkor may not grow or develop properly and may remain stunted for the rest of their lives.
Match the columns.
Column-A (Enzyme/Protein) | Column-B (Role in DNA replication) | ||
i. | Helicase | a. | Joins the 3' end of the new DNA fragment to the 5' end of the previous one |
ii. | RNA primase | b. | Nucleotide polymerisation |
iii. | DNA polymerase | c. | RNA primer synthesis |
iv. | DNA ligase | d. | Opens up the DNA double helix |
Which cells, also called neurilemma cells, are the main glial cells in the PNS and play an essential role in the survival and functions of neurons?
Which of the following statements is FALSE?
Match the columns.
Nutrients | Examples | ||
a. | Protein | 1. | Calcium, Phosphorous |
b. | Carbohydrates | 2. | Cholesterol |
c. | Fat | 3. | Glucose |
d. | Minerals | 4. | Myosin |
__________ are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
Which among the following is a non-biodegradable waste?
The study of insects is called ______.
________ is the branch of zoology concerned with the study of amphibians.
Tooth decay starts when the pH of our mouth is_______.
Which hormone is secreted by the pituitary gland?
Mushrooms and other microorganisms feed on dead plant and animal tissues and convert them into ______
Gregor Johann Mendel came up with the theory of inheritance by studying:
Red algae are generally found in: