Q.1. Floridean starch is found in (a) Chlorophyceae(b) Rhodophyceae (c) Phaeophyceae(d) Cyanophyceae Answer (b) Reserve food in red algae (Rhodophyceae) is floridean starch. In green algae (Chlorophyceae), reserve food is starch. In brown algae Phaeophyceae, reserve food is laminarin and mannitol. In Cyanophyceae, reserve food is cyanophycean starch. Q.2. Peat moss is another name of(a) … Read more
Q.1. The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for(a) interaction with the environment and progressive evolution(b) reproduction(c) growth and movement(d) responsiveness to touch. Answer (b) There are several factors and processes which differentiate living beings with non-living beings like reproduction, respiration, growth, etc. But among … Read more
BASIC CONCEPTS (INTRODUCTION) ELASTICITY AND PLASTICITY ELASTIC BEHAVIOUR OF SOLIDS STRESS AND STRAIN Stress Types of Stress Strain Types of Strain SOLVED EXAMPLES Illustration-01 Solution Illustration-02 Solution HOOKE’S LAW Hooke’s Law STRESS-STRAIN CURVE Stress-Strain Curve Elastic Limit Elastic Hysteresis Elastomers Substances like tissue of aorta, rubber etc. which can be stretched to cause large strains … Read more
MCQ Questions for Class 10 Science Human Eye and Colourful World with Answers Question 1. The least distance of distinct vision for a normal eye is(a) infinity(b) 25 cm(c) 2.5 cm(d) 25 m Answer Answer: b Question 2. The defect of vision in which a person cannot see the distant objects clearly but can see … Read more
Can two particles be in equilibrium under the action of their mutual gravitational force? Can three particles be? Can one of the three particles be? Solution: 1st Part: A particle will be in equilibrium when the net force acting on it is equal to zero. Two particles under the action of their mutual gravitational force … Read more
NEET CHEMISTRY Test Yourself Solid State Question 1: Question 2: Question 3: Question 4: Question 5: Question 6: Question 7: Question 8: Question 9: Question 10: Question 11: ANSWER KEY
1. The changes which take place in substances can be broadly classified as physical changes and chemical changes. 2. During a physical change, only the state of the substance changes, but not its chemical composition. Furthermore, a physical change is a temporary change, which can be reversed by changing the physical experimental conditions. At the … Read more
