How much ATP is needed for photosynthesis?
Carbon fixation on dark reactions of photosynthesis requires ATP. For each CO2 fixed, 3 ATP molecules are required, therefore 18... View Article
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What is radial symmetry? Give an example.
Radial symmetry is a type of body symmetry, where any plane passing through the centre divides the body into two... View Article
What is peptidoglycan made of?
Peptidoglycan is a polymer of sugar and amino acid, which is a composition of bacterial cell walls. It contains alternating... View Article
What is meant by Racemose?
Racemose is a type of inflorescence characterised by indefinite growth of the main axis. Flowers are borne in the acropetal... View Article
What activates angiotensin?
Renin converts angiotensinogen to angiotensin I and angiotensin II. Renin is secreted by the JG cells in kidneys on a... View Article
What animals have Nephridia?
Nephridia are the excretory organs present in annelids such as earthworm. Flatworms, cephalochordate, rotifers contain protonephridia or flame cells for... View Article
What are 3 limiting factors of photosynthesis?
The three limiting factors of photosynthesis are light, temperature and concentration of CO2. The factor, which is present in the... View Article
How Are Nucleosomes Formed?
Nucleosomes are the repeating units of chromatin. It is formed by the wrapping of DNA around a histone octamer. Histones... View Article
How Does Angiotensin Increase Blood Pressure?
Angiotensin II is a strong vasoconstrictor. It increases blood pressure by constricting blood vessels. It also stimulates the secretion of... View Article
What are Dehiscent and Indehiscent fruits?
Dehiscent fruits are the fruits, which open up at maturity and seeds are released after the pericarp split open, e.g.... View Article
How Does Carbon Dioxide Bind to Haemoglobin?
20-25% of CO2 is transported bound to haemoglobin as carbamino-haemoglobin. When the partial pressure of CO2 (pCO2) is higher and... View Article
Is a Jellyfish Radial or Bilateral?
Jellyfish is radially symmetrical. It belongs to the phylum Coelenterata. It is umbrella-shaped free-swimming having medusa body form. Also Check:... View Article
How Does Renin Increase Blood Pressure?
Renin is released from juxtaglomerular cells in response to decreased glomerular blood flow. It converts angiotensinogen to angiotensin I and... View Article
How Does Temperature Affect Enzyme Action?
An increase in temperature generally increases the enzyme activity and rate of reaction and lowering the temperature slows down the... View Article
Is Azolla a Heterosporous Fern?
Yes, Azolla is a heterosporous fern. It produces bigger female spores called megaspores and smaller male spores called microspores. Also... View Article
Which digestive enzyme helps to break down carbohydrates?
The carbohydrate digesting enzymes are salivary amylase, pancreatic amylase, maltase, lactase, sucrase, etc. Also Check: What is Digestion Absorption and... View Article
Which phylum is Pseudocoelom found?
Pseudocoelom or false coelom is found in the phylum Aschelminthes. Pseudocoelom is not lined by mesoderm. Scattered pouches of mesoderm... View Article
Is Nitrosomonas a nitrogen-fixing bacteria?
Nitrosomonas is a nitrifying bacteria, which oxidises ammonia to nitrite. It is a chemoautotroph. Also Check: Nodule Formation NEET Questions... View Article
What Are the Effects of Adrenaline and Noradrenaline on the Body?
Adrenaline and noradrenaline are the catecholamines secreted by the adrenal medulla. They are known as ‘fight or flight’ hormones. They... View Article
What Is the Most Important Estrogen Hormone?
Estrogen and progesterone are the two main female sex hormones. Estradiol is the most important estrogen hormone. Estrogen regulates the... View Article
