What part of the brain controls blood pressure regulation?
The part of the brain that is majorly responsible for blood pressure regulation as well as breathing is the medulla... View Article
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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because
A) there is a change in the permeability of the inner mitochondrial membrane toward adenosine diphosphate (ADP) B) a proton... View Article
Aerobic respiratory pathway is appropriately termed
Q. Aerobic respiratory pathway is appropriately termed A) amphibolic B) parabolic C) catabolic D) anabolic Answer:A) amphibolic Explanation: Aerobic respiration is... View Article
The energy releasing metabolic process in which substrate is oxidised without an external electron acceptor is called
A) fermentation B) glycolysis C) photorespiration D) aerobic respiration Answer: A) fermentation Explanation: During fermentation, the respiratory substrate is partially oxidised... View Article
In mitochondria, protons accumulate in the
A) inner membrane B) outer membrane C) matrix D) intermembrane space Answer:D) intermembrane space Explanation: In mitochondria, protons accumulate in... View Article
In which one of the following processes CO2 is not released?
A) Aerobic respiration in animals B) Aerobic respiration in plants C) Lactate fermentation D) Alcoholic fermentation Answer:C) Lactate fermentation Explanation:... View Article
Cytochromes are found in
A) lysosomes B) cristae of mitochondria C) outer wall of mitochondria D) matrix of mitochondria Answer:B) cristae of mitochondria Explanation:... View Article
What occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?
Plasmolysis occurs when a plant cell is placed in the hypertonic solution (higher solute concentration than cytoplasm) leading to exosmosis... View Article
What are some examples where you have studied about haploid and diploid insects?
Many insects show haplodiploidy, i.e. haplo-diploid type of sex determination. Sex is determined by the number of sets of chromosomes.... View Article
Onion has 16 chromosomes in each cell. Can you tell how many chromosomes will the cell have at G1 phase, after S phase, and after M phase? what will be the DNA content of the cells at G1, after S and at G2, if the content after M phase is 2C?
The G1, S, G2 and M phase are the four phases of the cell cycle. G1, S, and G2 are... View Article
Can you tell the name and the location of tissues having cells that divide all their life in higher plants?
In plants, meristematic tissue contains undifferentiated cells, which have the ability to divide continuously. Once they differentiate to a specialised... View Article
Do you think all cells continue to divide in all plants and animals?
Cell division is required for growth, repair, regeneration, reproduction, etc. Not all the cells continue to divide in plants and... View Article
Do all cells in a plant divide all the time?
Cell division is required for growth, repair and regeneration. Not all the cells in plants divide all the time. Meristematic... View Article
What are the examples of mature cells that lack nucleus, Would you consider these cells as ‘living’?
Generally, all the eukaryotic cells contain a well-defined nucleus, which contains the genome. The examples of cells that lack a... View Article
Names of organisms that have more than one nucleus per cell?
Generally, each eukaryotic cell consists of only one nucleus per cell. Some of the organisms contain more than one nucleus... View Article
Previous Year UPSC Polity Questions With Solutions [2013-2022]
UPSC Prelims 2023 was successfully conducted on 28th May, 2023. Indian Polity is an important subject in the UPSC Prelims... View Article
16 Apr 2021: UPSC Exam Comprehensive News Analysis
CNA 16th April 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related SOCIAL ISSUES 1. UNFPA’s population report... View Article
Previous Years’ UPSC Geography Prelims Questions With Solutions [2013-2023]
As per the UPSC 2024 calendar, the IAS Prelims and main exams are scheduled to take place on May 26,... View Article
Are Steroids Lipids?
Steroids are categorized under related compounds. They are not true lipids but have the ability to combine with fatty acids.... View Article
Describe Wax In Plants.
Wax is simple lipids differing from neutral fats in having only one molecule of long fatty acid chain and one... View Article
