Parenchymatous cells performing photosynthesis are called:
Answer: Parenchymatous cells performing photosynthesis are called Chlorenchyma as they contain chloroplast in them. Parenchyma is the most popular kind... View Article
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Why does our palm feel cold when acetone or petrol is put?
Solution: Acetone, petrol, perfume etc., being volatile, evaporate very fast when exposed to larger surfaces. When we put some acetone... View Article
Mendeleev’s classification was based on ____________
Answer: Mendeleev’s classification was based on increasing atomic masses. Mendeleev Periodic Table Elements were arranged in Mendeleev’s periodic table according... View Article
__________________increases with the increase in OH- ions.
Answer: Concentration of base increases with the increase in OH- ions. An alkali or base is a compound which when... View Article
The incubation period of poliovirus is _____________
Answer: The incubation period of poliovirus is both 1-2 weeks and 7-14 days. Poliovirus is a member of the Picornaviridae family... View Article
Fruit wall and seed coat are fused in a __________
Answer: Fruit wall and seed coat are fused in a grain. Fruit Fruits are seed-bearing structures that only flowering plants produce... View Article
Why thunder is heard a few seconds after the flash is seen?
Answer: The speed of sound (344 m/s) is very less than the speed of light(3 x 108 m/s). The Sound... View Article
Does electromagnetic radiations require a medium to travel?
Answer: Electromagnetic radiations do not require a medium to travel. Electromagnetic waves Electromagnetic waves, also known as EM waves, are... View Article
Potential difference is measured using a _____________
The instrument used to measure potential difference is Voltmeter. Voltmeter A voltmeter is a tool that measures the voltage or potential... View Article
How does the process of fertilization take place in flowers?
Solution: Fertilization can be defined as the fusion of the male gametes (pollen) with the female gametes (ovum) to form... View Article
How is the small intestine designed to absorb digested food?
Digestion is one of the longest process taking place in the human body. The process of digestion involves several steps... View Article
Narrowing of blood vessels takes place at ___________
Answer: Narrowing of blood vessels takes place at low temperature. At low temperature, the blood vessels get narrowed or vasoconstricted. This... View Article
During digestion, fats are broken down to _______________
Answer: During digestion, fats are broken down to fatty acids and glycerol. Lipids are organic compounds comprising fatty acids, which... View Article
Nitrogen is the most essential element in ______________
Answer: Nitrogen is the most essential element in proteins. Proteins Proteins are massive molecules made up of essential building blocks... View Article
N shell can have a maximum of ___________ electrons.
Answer: N shell can have a maximum of 32 electrons. Fourth or N shell has 2 x (4) 2 =... View Article
An element having configuration 1s22s22p63s23p6 4s1 will form________________
Answer: An element having configuration 1s2 2s2 2p6 3s2 3p6 4s1 will form basic oxide. As per the configuration, the last... View Article
The chemical formula of calcium nitrate is ________________
Answer: The chemical formula of calcium nitrate is Ca(NO3)2. Calcium Nitrate (Ca(NO3)2) Calcium nitrate is an inorganic compound with the... View Article
When water solidifies to ice, then heat is ____________
Answer: When water solidifies to ice, then heat is evolved. Freezing is the transformation of a liquid into a solid... View Article
__________gas is used to obtain very low temperature
Answer: Helium gas is used to obtain a very low temperature. Helium Helium is a chemical element with He symbol... View Article
A rat feeding on a potato is an example of a________________
Answer: A rat feeding on a potato is an example of a primary consumer. The three levels of consumers found in... View Article
