🌻Assertion
All food chains will come to stand still if bacteria disappear from earth.
Reason Bacteria are only associated with the soil fertility and hardly have any role in food chains.

🌻The members of algae found in littoral zone is

🚩Stem is modified into cladode in

🌻Stomochord is found in

When bark is cut from stem, which of the following vascular tissue is removed?

⚕️How many space lattice are obtainable from the different crystal system in nature

🚩Statement 1 :- Both 12g of Carbon and 27g of aluminium will have 6.02 x 10²³ atom.
Statement 2 :- Gram atomic mass of an element contains Avagadro's number of atom

🌻Assertion: Consciousness is a defining property of living organisms.

Reason: Human being is the only organism that has self-consciousness.

🌷 Presence of which is not true for Euglena?

🔱Assertion: Red color of Rhodophyta is due to the abundant formation of r-phycoerythrin.
Reason: r-Phycoerythrin is able to absorb blue-gree wavelengths of light and reflect a red color

🌷Annelids neural system consists of paired ganglia that are connected to the double ventral nerve cord by

🌷Which of the following is essential for the growth of root tip

🌻Molar conductivity ( Λm ) increases with dilution for weak electrolyte due to increase in number of ions

🌷 The position of some metals in the electrochemical series is decreasing electropositive character is Mg > Al > Zn > Cu > Ag. What will happened if copper spoon is used to stirred solution of aluminium nitrate?

🌷 Standard reduction electrode potential of 3 metal A, B, & C are +0.5, -3.0 & -1.2 respectively. The reducing power of these metal are

🌻Equilibria involving O2 molecules and the protein
heamoglobin play a crucial role

The loudness or softness of sound is determined by its..